diff options
Diffstat (limited to 'drivers/hwmon')
113 files changed, 6720 insertions, 3820 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index b3ab9d43bb3..02d3d85829f 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -111,22 +111,6 @@ config SENSORS_AD7418 This driver can also be built as a module. If so, the module will be called ad7418. -config SENSORS_ADCXX - tristate "National Semiconductor ADCxxxSxxx" - depends on SPI_MASTER - help - If you say yes here you get support for the National Semiconductor - ADC<bb><c>S<sss> chip family, where - * bb is the resolution in number of bits (8, 10, 12) - * c is the number of channels (1, 2, 4, 8) - * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500 - kSPS and 101 for 1 MSPS) - - Examples : ADC081S101, ADC124S501, ... - - This driver can also be built as a module. If so, the module - will be called adcxx. - config SENSORS_ADM1021 tristate "Analog Devices ADM1021 and compatibles" depends on I2C @@ -296,8 +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) and - 16h (Kabini) microarchitectures. + 12h (Llano), 14h (Brazos), 15h (Bulldozer/Trinity/Kaveri) and + 16h (Kabini/Mullins) microarchitectures. This driver can also be built as a module. If so, the module will be called k10temp. @@ -312,6 +296,31 @@ config SENSORS_FAM15H_POWER This driver can also be built as a module. If so, the module will be called fam15h_power. +config SENSORS_APPLESMC + tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" + depends on INPUT && X86 + select NEW_LEDS + select LEDS_CLASS + select INPUT_POLLDEV + default n + help + This driver provides support for the Apple System Management + Controller, which provides an accelerometer (Apple Sudden Motion + Sensor), light sensors, temperature sensors, keyboard backlight + control and fan control. + + Only Intel-based Apple's computers are supported (MacBook Pro, + MacBook, MacMini). + + Data from the different sensors, keyboard backlight control and fan + control are accessible via sysfs. + + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. + + Say Y here if you have an applicable laptop and want to experience + the awesome power of applesmc. + config SENSORS_ASB100 tristate "Asus ASB100 Bach" depends on X86 && I2C @@ -435,6 +444,12 @@ config SENSORS_F75375S This driver can also be built as a module. If so, the module will be called f75375s. +config SENSORS_MC13783_ADC + tristate "Freescale MC13783/MC13892 ADC" + depends on MFD_MC13XXX + help + Support for the A/D converter on MC13783 and MC13892 PMIC. + config SENSORS_FSCHMD tristate "Fujitsu Siemens Computers sensor chips" depends on X86 && I2C @@ -451,26 +466,6 @@ config SENSORS_FSCHMD This driver can also be built as a module. If so, the module will be called fschmd. -config SENSORS_G760A - tristate "GMT G760A" - depends on I2C - help - If you say yes here you get support for Global Mixed-mode - Technology Inc G760A fan speed PWM controller chips. - - This driver can also be built as a module. If so, the module - will be called g760a. - -config SENSORS_G762 - tristate "GMT G762 and G763" - depends on I2C - help - If you say yes here you get support for Global Mixed-mode - Technology Inc G762 and G763 fan speed PWM controller chips. - - This driver can also be built as a module. If so, the module - will be called g762. - config SENSORS_GL518SM tristate "Genesys Logic GL518SM" depends on I2C @@ -492,6 +487,26 @@ config SENSORS_GL520SM This driver can also be built as a module. If so, the module will be called gl520sm. +config SENSORS_G760A + tristate "GMT G760A" + depends on I2C + help + If you say yes here you get support for Global Mixed-mode + Technology Inc G760A fan speed PWM controller chips. + + This driver can also be built as a module. If so, the module + will be called g760a. + +config SENSORS_G762 + tristate "GMT G762 and G763" + depends on I2C + help + If you say yes here you get support for Global Mixed-mode + Technology Inc G762 and G763 fan speed PWM controller chips. + + This driver can also be built as a module. If so, the module + will be called g762. + config SENSORS_GPIO_FAN tristate "GPIO fan" depends on GPIOLIB @@ -511,24 +526,6 @@ config SENSORS_HIH6130 This driver can also be built as a module. If so, the module will be called hih6130. -config SENSORS_HTU21 - tristate "Measurement Specialties HTU21D humidity/temperature sensors" - depends on I2C - help - If you say yes here you get support for the Measurement Specialties - HTU21D humidity and temperature sensors. - - This driver can also be built as a module. If so, the module - will be called htu21. - -config SENSORS_CORETEMP - tristate "Intel Core/Core2/Atom temperature sensor" - depends on X86 - help - If you say yes here you get support for the temperature - sensor inside your CPU. Most of the family 6 CPUs - are supported. Check Documentation/hwmon/coretemp for details. - config SENSORS_IBMAEM tristate "IBM Active Energy Manager temperature/power sensors and control" select IPMI_SI @@ -566,6 +563,14 @@ config SENSORS_IIO_HWMON for those channels specified in the map. This map can be provided either via platform data or the device tree bindings. +config SENSORS_CORETEMP + tristate "Intel Core/Core2/Atom temperature sensor" + depends on X86 + help + If you say yes here you get support for the temperature + sensor inside your CPU. Most of the family 6 CPUs + are supported. Check Documentation/hwmon/coretemp for details. + config SENSORS_IT87 tristate "ITE IT87xx and compatibles" depends on !PPC @@ -573,8 +578,8 @@ config SENSORS_IT87 help If you say yes here you get support for ITE IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, - IT8771E, IT8772E, IT8782F, and IT8783E/F sensor chips, and the - SiS950 clone. + IT8771E, IT8772E, IT8782F, IT8783E/F and IT8603E sensor chips, + and the SiS950 clone. This driver can also be built as a module. If so, the module will be called it87. @@ -614,6 +619,219 @@ config SENSORS_LINEAGE This driver can also be built as a module. If so, the module will be called lineage-pem. +config SENSORS_LTC2945 + tristate "Linear Technology LTC2945" + depends on I2C + select REGMAP_I2C + default n + help + If you say yes here you get support for Linear Technology LTC2945 + I2C System Monitor. + + This driver can also be built as a module. If so, the module will + be called ltc2945. + +config SENSORS_LTC4151 + tristate "Linear Technology LTC4151" + depends on I2C + default n + help + If you say yes here you get support for Linear Technology LTC4151 + High Voltage I2C Current and Voltage Monitor interface. + + This driver can also be built as a module. If so, the module will + be called ltc4151. + +config SENSORS_LTC4215 + tristate "Linear Technology LTC4215" + depends on I2C + default n + help + If you say yes here you get support for Linear Technology LTC4215 + Hot Swap Controller I2C interface. + + This driver can also be built as a module. If so, the module will + be called ltc4215. + +config SENSORS_LTC4222 + tristate "Linear Technology LTC4222" + depends on I2C + select REGMAP_I2C + default n + help + If you say yes here you get support for Linear Technology LTC4222 + Dual Hot Swap Controller I2C interface. + + This driver can also be built as a module. If so, the module will + be called ltc4222. + +config SENSORS_LTC4245 + tristate "Linear Technology LTC4245" + depends on I2C + default n + help + If you say yes here you get support for Linear Technology LTC4245 + Multiple Supply Hot Swap Controller I2C interface. + + This driver can also be built as a module. If so, the module will + be called ltc4245. + +config SENSORS_LTC4260 + tristate "Linear Technology LTC4260" + depends on I2C + select REGMAP_I2C + default n + help + If you say yes here you get support for Linear Technology LTC4260 + Positive Voltage Hot Swap Controller I2C interface. + + This driver can also be built as a module. If so, the module will + be called ltc4260. + +config SENSORS_LTC4261 + tristate "Linear Technology LTC4261" + depends on I2C + default n + help + If you say yes here you get support for Linear Technology LTC4261 + Negative Voltage Hot Swap Controller I2C interface. + + This driver can also be built as a module. If so, the module will + be called ltc4261. + +config SENSORS_MAX1111 + tristate "Maxim MAX1111 Serial 8-bit ADC chip and compatibles" + depends on SPI_MASTER + help + Say y here to support Maxim's MAX1110, MAX1111, MAX1112, and MAX1113 + ADC chips. + + This driver can also be built as a module. If so, the module + will be called max1111. + +config SENSORS_MAX16065 + tristate "Maxim MAX16065 System Manager and compatibles" + depends on I2C + help + If you say yes here you get support for hardware monitoring + capabilities of the following Maxim System Manager chips. + MAX16065 + MAX16066 + MAX16067 + MAX16068 + MAX16070 + MAX16071 + + This driver can also be built as a module. If so, the module + will be called max16065. + +config SENSORS_MAX1619 + tristate "Maxim MAX1619 sensor chip" + depends on I2C + help + If you say yes here you get support for MAX1619 sensor chip. + + This driver can also be built as a module. If so, the module + will be called max1619. + +config SENSORS_MAX1668 + tristate "Maxim MAX1668 and compatibles" + depends on I2C + help + If you say yes here you get support for MAX1668, MAX1989 and + MAX1805 chips. + + This driver can also be built as a module. If so, the module + will be called max1668. + +config SENSORS_MAX197 + tristate "Maxim MAX197 and compatibles" + help + Support for the Maxim MAX197 A/D converter. + Support will include, but not be limited to, MAX197, and MAX199. + + This driver can also be built as a module. If so, the module + will be called max197. + +config SENSORS_MAX6639 + tristate "Maxim MAX6639 sensor chip" + depends on I2C + help + If you say yes here you get support for the MAX6639 + sensor chips. + + This driver can also be built as a module. If so, the module + will be called max6639. + +config SENSORS_MAX6642 + tristate "Maxim MAX6642 sensor chip" + depends on I2C + help + If you say yes here you get support for MAX6642 sensor chip. + MAX6642 is a SMBus-Compatible Remote/Local Temperature Sensor + with Overtemperature Alarm from Maxim. + + This driver can also be built as a module. If so, the module + will be called max6642. + +config SENSORS_MAX6650 + tristate "Maxim MAX6650 sensor chip" + depends on I2C + help + If you say yes here you get support for the MAX6650 / MAX6651 + sensor chips. + + This driver can also be built as a module. If so, the module + will be called max6650. + +config SENSORS_MAX6697 + tristate "Maxim MAX6697 and compatibles" + depends on I2C + help + If you say yes here you get support for MAX6581, MAX6602, MAX6622, + MAX6636, MAX6689, MAX6693, MAX6694, MAX6697, MAX6698, and MAX6699 + temperature sensor chips. + + This driver can also be built as a module. If so, the module + will be called max6697. + +config SENSORS_HTU21 + tristate "Measurement Specialties HTU21D humidity/temperature sensors" + depends on I2C + help + If you say yes here you get support for the Measurement Specialties + HTU21D humidity and temperature sensors. + + This driver can also be built as a module. If so, the module + will be called htu21. + +config SENSORS_MCP3021 + tristate "Microchip MCP3021 and compatibles" + depends on I2C + help + If you say yes here you get support for MCP3021 and MCP3221. + The MCP3021 is a A/D converter (ADC) with 10-bit and the MCP3221 + with 12-bit resolution. + + This driver can also be built as a module. If so, the module + will be called mcp3021. + +config SENSORS_ADCXX + tristate "National Semiconductor ADCxxxSxxx" + depends on SPI_MASTER + help + If you say yes here you get support for the National Semiconductor + ADC<bb><c>S<sss> chip family, where + * bb is the resolution in number of bits (8, 10, 12) + * c is the number of channels (1, 2, 4, 8) + * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500 + kSPS and 101 for 1 MSPS) + + Examples : ADC081S101, ADC124S501, ... + + This driver can also be built as a module. If so, the module + will be called adcxx. + config SENSORS_LM63 tristate "National Semiconductor LM63 and compatibles" depends on I2C @@ -650,12 +868,14 @@ config SENSORS_LM73 config SENSORS_LM75 tristate "National Semiconductor LM75 and compatibles" depends on I2C + depends on THERMAL || !THERMAL_OF help If you say yes here you get support for one common type of temperature sensor chip, with models including: - Analog Devices ADT75 - Dallas Semiconductor DS75, DS1775 and DS7505 + - Global Mixed-mode Technology (GMT) G751 - Maxim MAX6625 and MAX6626 - Microchip MCP980x - National Semiconductor LM75, LM75A @@ -774,50 +994,6 @@ config SENSORS_LM93 This driver can also be built as a module. If so, the module will be called lm93. -config SENSORS_LTC4151 - tristate "Linear Technology LTC4151" - depends on I2C - default n - help - If you say yes here you get support for Linear Technology LTC4151 - High Voltage I2C Current and Voltage Monitor interface. - - This driver can also be built as a module. If so, the module will - be called ltc4151. - -config SENSORS_LTC4215 - tristate "Linear Technology LTC4215" - depends on I2C - default n - help - If you say yes here you get support for Linear Technology LTC4215 - Hot Swap Controller I2C interface. - - This driver can also be built as a module. If so, the module will - be called ltc4215. - -config SENSORS_LTC4245 - tristate "Linear Technology LTC4245" - depends on I2C - default n - help - If you say yes here you get support for Linear Technology LTC4245 - Multiple Supply Hot Swap Controller I2C interface. - - This driver can also be built as a module. If so, the module will - be called ltc4245. - -config SENSORS_LTC4261 - tristate "Linear Technology LTC4261" - depends on I2C - default n - help - If you say yes here you get support for Linear Technology LTC4261 - Negative Voltage Hot Swap Controller I2C interface. - - This driver can also be built as a module. If so, the module will - be called ltc4261. - config SENSORS_LM95234 tristate "National Semiconductor LM95234" depends on I2C @@ -847,167 +1023,71 @@ config SENSORS_LM95245 This driver can also be built as a module. If so, the module will be called lm95245. -config SENSORS_MAX1111 - tristate "Maxim MAX1111 Serial 8-bit ADC chip and compatibles" - depends on SPI_MASTER - help - Say y here to support Maxim's MAX1110, MAX1111, MAX1112, and MAX1113 - ADC chips. - - This driver can also be built as a module. If so, the module - will be called max1111. - -config SENSORS_MAX16065 - tristate "Maxim MAX16065 System Manager and compatibles" - depends on I2C - help - If you say yes here you get support for hardware monitoring - capabilities of the following Maxim System Manager chips. - MAX16065 - MAX16066 - MAX16067 - MAX16068 - MAX16070 - MAX16071 - - This driver can also be built as a module. If so, the module - will be called max16065. - -config SENSORS_MAX1619 - tristate "Maxim MAX1619 sensor chip" - depends on I2C - help - If you say yes here you get support for MAX1619 sensor chip. - - This driver can also be built as a module. If so, the module - will be called max1619. - -config SENSORS_MAX1668 - tristate "Maxim MAX1668 and compatibles" - depends on I2C - help - If you say yes here you get support for MAX1668, MAX1989 and - MAX1805 chips. - - This driver can also be built as a module. If so, the module - will be called max1668. - -config SENSORS_MAX197 - tristate "Maxim MAX197 and compatibles" - help - Support for the Maxim MAX197 A/D converter. - Support will include, but not be limited to, MAX197, and MAX199. - - This driver can also be built as a module. If so, the module - will be called max197. - -config SENSORS_MAX6639 - tristate "Maxim MAX6639 sensor chip" - depends on I2C - help - If you say yes here you get support for the MAX6639 - sensor chips. - - This driver can also be built as a module. If so, the module - will be called max6639. - -config SENSORS_MAX6642 - tristate "Maxim MAX6642 sensor chip" - depends on I2C - help - If you say yes here you get support for MAX6642 sensor chip. - MAX6642 is a SMBus-Compatible Remote/Local Temperature Sensor - with Overtemperature Alarm from Maxim. - - This driver can also be built as a module. If so, the module - will be called max6642. - -config SENSORS_MAX6650 - tristate "Maxim MAX6650 sensor chip" - depends on I2C - help - If you say yes here you get support for the MAX6650 / MAX6651 - sensor chips. - - This driver can also be built as a module. If so, the module - will be called max6650. - -config SENSORS_MAX6697 - tristate "Maxim MAX6697 and compatibles" - depends on I2C - help - If you say yes here you get support for MAX6581, MAX6602, MAX6622, - MAX6636, MAX6689, MAX6693, MAX6694, MAX6697, MAX6698, and MAX6699 - temperature sensor chips. - - This driver can also be built as a module. If so, the module - will be called max6697. - -config SENSORS_MCP3021 - tristate "Microchip MCP3021 and compatibles" - depends on I2C +config SENSORS_PC87360 + tristate "National Semiconductor PC87360 family" + depends on !PPC + select HWMON_VID help - If you say yes here you get support for MCP3021 and MCP3221. - The MCP3021 is a A/D converter (ADC) with 10-bit and the MCP3221 - with 12-bit resolution. + If you say yes here you get access to the hardware monitoring + functions of the National Semiconductor PC8736x Super-I/O chips. + The PC87360, PC87363 and PC87364 only have fan monitoring and + control. The PC87365 and PC87366 additionally have voltage and + temperature monitoring. This driver can also be built as a module. If so, the module - will be called mcp3021. + will be called pc87360. -config SENSORS_NCT6775 - tristate "Nuvoton NCT6775F and compatibles" +config SENSORS_PC87427 + tristate "National Semiconductor PC87427" depends on !PPC - select HWMON_VID help - If you say yes here you get support for the hardware monitoring - functionality of the Nuvoton NCT6775F, NCT6776F, NCT6779D - and compatible Super-I/O chips. This driver replaces the - w83627ehf driver for NCT6775F and NCT6776F. + If you say yes here you get access to the hardware monitoring + functions of the National Semiconductor PC87427 Super-I/O chip. + The chip has two distinct logical devices, one for fan speed + monitoring and control, and one for voltage and temperature + monitoring. Fan speed monitoring and control are supported, as + well as temperature monitoring. Voltages aren't supported yet. This driver can also be built as a module. If so, the module - will be called nct6775. + will be called pc87427. config SENSORS_NTC_THERMISTOR - tristate "NTC thermistor support" - depends on (!OF && !IIO) || (OF && IIO) + tristate "NTC thermistor support from Murata" + depends on !OF || IIO=n || IIO help This driver supports NTC thermistors sensor reading and its interpretation. The driver can also monitor the temperature and send notifications about the temperature. Currently, this driver supports - NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333. + NCP15WB473, NCP18WB473, NCP21WB473, NCP03WB473, and NCP15WL333 + from Murata. This driver can also be built as a module. If so, the module will be called ntc-thermistor. -config SENSORS_PC87360 - tristate "National Semiconductor PC87360 family" +config SENSORS_NCT6683 + tristate "Nuvoton NCT6683D" depends on !PPC - select HWMON_VID help - If you say yes here you get access to the hardware monitoring - functions of the National Semiconductor PC8736x Super-I/O chips. - The PC87360, PC87363 and PC87364 only have fan monitoring and - control. The PC87365 and PC87366 additionally have voltage and - temperature monitoring. + If you say yes here you get support for the hardware monitoring + functionality of the Nuvoton NCT6683D eSIO chip. This driver can also be built as a module. If so, the module - will be called pc87360. + will be called nct6683. -config SENSORS_PC87427 - tristate "National Semiconductor PC87427" +config SENSORS_NCT6775 + tristate "Nuvoton NCT6775F and compatibles" depends on !PPC + select HWMON_VID help - If you say yes here you get access to the hardware monitoring - functions of the National Semiconductor PC87427 Super-I/O chip. - The chip has two distinct logical devices, one for fan speed - monitoring and control, and one for voltage and temperature - monitoring. Fan speed monitoring and control are supported, as - well as temperature monitoring. Voltages aren't supported yet. + If you say yes here you get support for the hardware monitoring + functionality of the Nuvoton NCT6775F, NCT6776F, NCT6779D + and compatible Super-I/O chips. This driver replaces the + w83627ehf driver for NCT6775F and NCT6776F. This driver can also be built as a module. If so, the module - will be called pc87427. + will be called nct6775. config SENSORS_PCF8591 tristate "Philips PCF8591 ADC/DAC" @@ -1045,6 +1125,16 @@ config SENSORS_SHT21 This driver can also be built as a module. If so, the module will be called sht21. +config SENSORS_SHTC1 + tristate "Sensiron humidity and temperature sensors. SHTC1 and compat." + depends on I2C + help + If you say yes here you get support for the Sensiron SHTC1 and SHTW1 + humidity and temperature sensors. + + This driver can also be built as a module. If so, the module + will be called shtc1. + config SENSORS_S3C tristate "Samsung built-in ADC" depends on S3C_ADC @@ -1072,21 +1162,6 @@ config SENSORS_SIS5595 This driver can also be built as a module. If so, the module will be called sis5595. -config SENSORS_SMM665 - tristate "Summit Microelectronics SMM665" - depends on I2C - default n - help - If you say yes here you get support for the hardware monitoring - features of the Summit Microelectronics SMM665/SMM665B Six-Channel - Active DC Output Controller / Monitor. - - Other supported chips are SMM465, SMM665C, SMM764, and SMM766. - Support for those chips is untested. - - This driver can also be built as a module. If so, the module will - be called smm665. - config SENSORS_DME1737 tristate "SMSC DME1737, SCH311x and compatibles" depends on I2C && !PPC @@ -1102,6 +1177,7 @@ config SENSORS_DME1737 config SENSORS_EMC1403 tristate "SMSC EMC1403/23 thermal sensor" depends on I2C + select REGMAP_I2C help If you say yes here you get support for the SMSC EMC1403/23 temperature monitoring chip. @@ -1208,6 +1284,31 @@ config SENSORS_SCH5636 This driver can also be built as a module. If so, the module will be called sch5636. +config SENSORS_SMM665 + tristate "Summit Microelectronics SMM665" + depends on I2C + default n + help + If you say yes here you get support for the hardware monitoring + features of the Summit Microelectronics SMM665/SMM665B Six-Channel + Active DC Output Controller / Monitor. + + Other supported chips are SMM465, SMM665C, SMM764, and SMM766. + Support for those chips is untested. + + This driver can also be built as a module. If so, the module will + be called smm665. + +config SENSORS_ADC128D818 + tristate "Texas Instruments ADC128D818" + depends on I2C + help + If you say yes here you get support for the Texas Instruments + ADC128D818 System Monitor with Temperature Sensor chip. + + This driver can also be built as a module. If so, the module + will be called adc128d818. + config SENSORS_ADS1015 tristate "Texas Instruments ADS1015" depends on I2C @@ -1284,6 +1385,7 @@ config SENSORS_THMC50 config SENSORS_TMP102 tristate "Texas Instruments TMP102" depends on I2C + depends on THERMAL || !THERMAL_OF help If you say yes here you get support for Texas Instruments TMP102 sensor chips. @@ -1522,37 +1624,6 @@ config SENSORS_ULTRA45 This driver provides support for the Ultra45 workstation environmental sensors. -config SENSORS_APPLESMC - tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" - depends on INPUT && X86 - select NEW_LEDS - select LEDS_CLASS - select INPUT_POLLDEV - default n - help - This driver provides support for the Apple System Management - Controller, which provides an accelerometer (Apple Sudden Motion - Sensor), light sensors, temperature sensors, keyboard backlight - control and fan control. - - Only Intel-based Apple's computers are supported (MacBook Pro, - MacBook, MacMini). - - Data from the different sensors, keyboard backlight control and fan - control are accessible via sysfs. - - This driver also provides an absolute input class device, allowing - the laptop to act as a pinball machine-esque joystick. - - Say Y here if you have an applicable laptop and want to experience - the awesome power of applesmc. - -config SENSORS_MC13783_ADC - tristate "Freescale MC13783/MC13892 ADC" - depends on MFD_MC13XXX - help - Support for the A/D converter on MC13783 and MC13892 PMIC. - if ACPI comment "ACPI drivers" diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index ec7cde06eb5..3dc0f02f71d 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_ABITUGURU3)+= abituguru3.o obj-$(CONFIG_SENSORS_AD7314) += ad7314.o obj-$(CONFIG_SENSORS_AD7414) += ad7414.o obj-$(CONFIG_SENSORS_AD7418) += ad7418.o +obj-$(CONFIG_SENSORS_ADC128D818) += adc128d818.o obj-$(CONFIG_SENSORS_ADCXX) += adcxx.o obj-$(CONFIG_SENSORS_ADM1021) += adm1021.o obj-$(CONFIG_SENSORS_ADM1025) += adm1025.o @@ -95,9 +96,12 @@ obj-$(CONFIG_SENSORS_LM93) += lm93.o obj-$(CONFIG_SENSORS_LM95234) += lm95234.o obj-$(CONFIG_SENSORS_LM95241) += lm95241.o obj-$(CONFIG_SENSORS_LM95245) += lm95245.o +obj-$(CONFIG_SENSORS_LTC2945) += ltc2945.o obj-$(CONFIG_SENSORS_LTC4151) += ltc4151.o obj-$(CONFIG_SENSORS_LTC4215) += ltc4215.o +obj-$(CONFIG_SENSORS_LTC4222) += ltc4222.o obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o +obj-$(CONFIG_SENSORS_LTC4260) += ltc4260.o obj-$(CONFIG_SENSORS_LTC4261) += ltc4261.o obj-$(CONFIG_SENSORS_MAX1111) += max1111.o obj-$(CONFIG_SENSORS_MAX16065) += max16065.o @@ -110,6 +114,7 @@ obj-$(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_NCT6683) += nct6683.o obj-$(CONFIG_SENSORS_NCT6775) += nct6775.o obj-$(CONFIG_SENSORS_NTC_THERMISTOR) += ntc_thermistor.o obj-$(CONFIG_SENSORS_PC87360) += pc87360.o @@ -121,6 +126,7 @@ obj-$(CONFIG_SENSORS_SCH5627) += sch5627.o obj-$(CONFIG_SENSORS_SCH5636) += sch5636.o obj-$(CONFIG_SENSORS_SHT15) += sht15.o obj-$(CONFIG_SENSORS_SHT21) += sht21.o +obj-$(CONFIG_SENSORS_SHTC1) += shtc1.o obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMM665) += smm665.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c index 2ebd6ce4610..9c8a6bab822 100644 --- a/drivers/hwmon/abituguru.c +++ b/drivers/hwmon/abituguru.c @@ -164,7 +164,7 @@ static const u8 abituguru_bank2_max_threshold = 50; static const int abituguru_pwm_settings_multiplier[5] = { 0, 1, 1, 1000, 1000 }; /* * Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a - * special case the minium allowed pwm% setting for this is 30% (77) on + * special case the minimum allowed pwm% setting for this is 30% (77) on * some MB's this special case is handled in the code! */ static const u8 abituguru_pwm_min[5] = { 0, 170, 170, 25, 25 }; @@ -517,7 +517,7 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr); /* - * Volt sensor test, enable volt low alarm, set min value ridicously + * Volt sensor test, enable volt low alarm, set min value ridiculously * high, or vica versa if the reading is very high. If its a volt * sensor this should always give us an alarm. */ @@ -564,7 +564,7 @@ abituguru_detect_bank1_sensor_type(struct abituguru_data *data, /* * Temp sensor test, enable sensor as a temp sensor, set beep value - * ridicously low (but not too low, otherwise uguru ignores it). + * ridiculously low (but not too low, otherwise uguru ignores it). * If its a temp sensor this should always give us an alarm. */ buf[0] = ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE; diff --git a/drivers/hwmon/abituguru3.c b/drivers/hwmon/abituguru3.c index 0cac8c0b001..4ae74aa8cdc 100644 --- a/drivers/hwmon/abituguru3.c +++ b/drivers/hwmon/abituguru3.c @@ -176,7 +176,7 @@ struct abituguru3_data { /* * The abituguru3 supports up to 48 sensors, and thus has registers - * sets for 48 sensors, for convienence reasons / simplicity of the + * sets for 48 sensors, for convenience reasons / simplicity of the * code we always read and store all registers for all 48 sensors */ diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index a9e3d0152c0..579bdf93be4 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -30,8 +30,7 @@ #include <linux/sched.h> #include <linux/time.h> #include <linux/err.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> +#include <linux/acpi.h> #define ACPI_POWER_METER_NAME "power_meter" ACPI_MODULE_NAME(ACPI_POWER_METER_NAME); @@ -381,8 +380,10 @@ static ssize_t show_str(struct device *dev, val = resource->oem_info; break; default: - BUG(); + WARN(1, "Implementation error: unexpected attribute index %d\n", + attr->index); val = ""; + break; } return sprintf(buf, "%s\n", val); @@ -436,7 +437,9 @@ static ssize_t show_val(struct device *dev, val = resource->trip[attr->index - 7] * 1000; break; default: - BUG(); + WARN(1, "Implementation error: unexpected attribute index %d\n", + attr->index); + break; } return sprintf(buf, "%llu\n", val); @@ -598,9 +601,8 @@ static int read_domain_devices(struct acpi_power_meter_resource *resource) /* Create a symlink to domain objects */ resource->domain_devices[i] = NULL; - status = acpi_bus_get_device(element->reference.handle, - &resource->domain_devices[i]); - if (ACPI_FAILURE(status)) + if (acpi_bus_get_device(element->reference.handle, + &resource->domain_devices[i])) continue; obj = resource->domain_devices[i]; @@ -855,7 +857,8 @@ static void acpi_power_meter_notify(struct acpi_device *device, u32 event) dev_info(&device->dev, "Capping in progress.\n"); break; default: - BUG(); + WARN(1, "Unexpected event %d\n", event); + break; } mutex_unlock(&resource->lock); @@ -991,7 +994,7 @@ static int __init acpi_power_meter_init(void) result = acpi_bus_register_driver(&acpi_power_meter_driver); if (result < 0) - return -ENODEV; + return result; return 0; } diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c new file mode 100644 index 00000000000..0625e50d7a6 --- /dev/null +++ b/drivers/hwmon/adc128d818.c @@ -0,0 +1,491 @@ +/* + * Driver for TI ADC128D818 System Monitor with Temperature Sensor + * + * Copyright (c) 2014 Guenter Roeck + * + * Derived from lm80.c + * Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl> + * and Philip Edelbrock <phil@netroedge.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/regulator/consumer.h> +#include <linux/mutex.h> + +/* Addresses to scan + * The chip also supports addresses 0x35..0x37. Don't scan those addresses + * since they are also used by some EEPROMs, which may result in false + * positives. + */ +static const unsigned short normal_i2c[] = { + 0x1d, 0x1e, 0x1f, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; + +/* registers */ +#define ADC128_REG_IN_MAX(nr) (0x2a + (nr) * 2) +#define ADC128_REG_IN_MIN(nr) (0x2b + (nr) * 2) +#define ADC128_REG_IN(nr) (0x20 + (nr)) + +#define ADC128_REG_TEMP 0x27 +#define ADC128_REG_TEMP_MAX 0x38 +#define ADC128_REG_TEMP_HYST 0x39 + +#define ADC128_REG_CONFIG 0x00 +#define ADC128_REG_ALARM 0x01 +#define ADC128_REG_MASK 0x03 +#define ADC128_REG_CONV_RATE 0x07 +#define ADC128_REG_ONESHOT 0x09 +#define ADC128_REG_SHUTDOWN 0x0a +#define ADC128_REG_CONFIG_ADV 0x0b +#define ADC128_REG_BUSY_STATUS 0x0c + +#define ADC128_REG_MAN_ID 0x3e +#define ADC128_REG_DEV_ID 0x3f + +struct adc128_data { + struct i2c_client *client; + struct regulator *regulator; + int vref; /* Reference voltage in mV */ + struct mutex update_lock; + bool valid; /* true if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + u16 in[3][7]; /* Register value, normalized to 12 bit + * 0: input voltage + * 1: min limit + * 2: max limit + */ + s16 temp[3]; /* Register value, normalized to 9 bit + * 0: sensor 1: limit 2: hyst + */ + u8 alarms; /* alarm register value */ +}; + +static struct adc128_data *adc128_update_device(struct device *dev) +{ + struct adc128_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + struct adc128_data *ret = data; + int i, rv; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { + for (i = 0; i < 7; i++) { + rv = i2c_smbus_read_word_swapped(client, + ADC128_REG_IN(i)); + if (rv < 0) + goto abort; + data->in[0][i] = rv >> 4; + + rv = i2c_smbus_read_byte_data(client, + ADC128_REG_IN_MIN(i)); + if (rv < 0) + goto abort; + data->in[1][i] = rv << 4; + + rv = i2c_smbus_read_byte_data(client, + ADC128_REG_IN_MAX(i)); + if (rv < 0) + goto abort; + data->in[2][i] = rv << 4; + } + + rv = i2c_smbus_read_word_swapped(client, ADC128_REG_TEMP); + if (rv < 0) + goto abort; + data->temp[0] = rv >> 7; + + rv = i2c_smbus_read_byte_data(client, ADC128_REG_TEMP_MAX); + if (rv < 0) + goto abort; + data->temp[1] = rv << 1; + + rv = i2c_smbus_read_byte_data(client, ADC128_REG_TEMP_HYST); + if (rv < 0) + goto abort; + data->temp[2] = rv << 1; + + rv = i2c_smbus_read_byte_data(client, ADC128_REG_ALARM); + if (rv < 0) + goto abort; + data->alarms |= rv; + + data->last_updated = jiffies; + data->valid = true; + } + goto done; + +abort: + ret = ERR_PTR(rv); + data->valid = false; +done: + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t adc128_show_in(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct adc128_data *data = adc128_update_device(dev); + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + int val; + + if (IS_ERR(data)) + return PTR_ERR(data); + + val = DIV_ROUND_CLOSEST(data->in[index][nr] * data->vref, 4095); + return sprintf(buf, "%d\n", val); +} + +static ssize_t adc128_set_in(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adc128_data *data = dev_get_drvdata(dev); + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + u8 reg, regval; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err < 0) + return err; + + mutex_lock(&data->update_lock); + /* 10 mV LSB on limit registers */ + regval = clamp_val(DIV_ROUND_CLOSEST(val, 10), 0, 255); + data->in[index][nr] = regval << 4; + reg = index == 1 ? ADC128_REG_IN_MIN(nr) : ADC128_REG_IN_MAX(nr); + i2c_smbus_write_byte_data(data->client, reg, regval); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t adc128_show_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adc128_data *data = adc128_update_device(dev); + int index = to_sensor_dev_attr(attr)->index; + int temp; + + if (IS_ERR(data)) + return PTR_ERR(data); + + temp = (data->temp[index] << 7) >> 7; /* sign extend */ + return sprintf(buf, "%d\n", temp * 500);/* 0.5 degrees C resolution */ +} + +static ssize_t adc128_set_temp(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct adc128_data *data = dev_get_drvdata(dev); + int index = to_sensor_dev_attr(attr)->index; + long val; + int err; + s8 regval; + + err = kstrtol(buf, 10, &val); + if (err < 0) + return err; + + mutex_lock(&data->update_lock); + regval = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + data->temp[index] = regval << 1; + i2c_smbus_write_byte_data(data->client, + index == 1 ? ADC128_REG_TEMP_MAX + : ADC128_REG_TEMP_HYST, + regval); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t adc128_show_alarm(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct adc128_data *data = adc128_update_device(dev); + int mask = 1 << to_sensor_dev_attr(attr)->index; + u8 alarms; + + if (IS_ERR(data)) + return PTR_ERR(data); + + /* + * Clear an alarm after reporting it to user space. If it is still + * active, the next update sequence will set the alarm bit again. + */ + alarms = data->alarms; + data->alarms &= ~mask; + + return sprintf(buf, "%u\n", !!(alarms & mask)); +} + +static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, + adc128_show_in, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 0, 1); +static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 0, 2); + +static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, + adc128_show_in, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 1, 1); +static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 1, 2); + +static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, + adc128_show_in, NULL, 2, 0); +static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 2, 1); +static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 2, 2); + +static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, + adc128_show_in, NULL, 3, 0); +static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 3, 1); +static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 3, 2); + +static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, + adc128_show_in, NULL, 4, 0); +static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 4, 1); +static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 4, 2); + +static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, + adc128_show_in, NULL, 5, 0); +static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 5, 1); +static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 5, 2); + +static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, + adc128_show_in, NULL, 6, 0); +static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 6, 1); +static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, + adc128_show_in, adc128_set_in, 6, 2); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, adc128_show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, + adc128_show_temp, adc128_set_temp, 1); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, + adc128_show_temp, adc128_set_temp, 2); + +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, adc128_show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, adc128_show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, adc128_show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, adc128_show_alarm, NULL, 3); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, adc128_show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, adc128_show_alarm, NULL, 5); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, adc128_show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, adc128_show_alarm, NULL, 7); + +static struct attribute *adc128_attrs[] = { + &sensor_dev_attr_in0_min.dev_attr.attr, + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in0_max.dev_attr.attr, + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, + &sensor_dev_attr_in0_alarm.dev_attr.attr, + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, + NULL +}; +ATTRIBUTE_GROUPS(adc128); + +static int adc128_detect(struct i2c_client *client, struct i2c_board_info *info) +{ + int man_id, dev_id; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA)) + return -ENODEV; + + man_id = i2c_smbus_read_byte_data(client, ADC128_REG_MAN_ID); + dev_id = i2c_smbus_read_byte_data(client, ADC128_REG_DEV_ID); + if (man_id != 0x01 || dev_id != 0x09) + return -ENODEV; + + /* Check unused bits for confirmation */ + if (i2c_smbus_read_byte_data(client, ADC128_REG_CONFIG) & 0xf4) + return -ENODEV; + if (i2c_smbus_read_byte_data(client, ADC128_REG_CONV_RATE) & 0xfe) + return -ENODEV; + if (i2c_smbus_read_byte_data(client, ADC128_REG_ONESHOT) & 0xfe) + return -ENODEV; + if (i2c_smbus_read_byte_data(client, ADC128_REG_SHUTDOWN) & 0xfe) + return -ENODEV; + if (i2c_smbus_read_byte_data(client, ADC128_REG_CONFIG_ADV) & 0xf8) + return -ENODEV; + if (i2c_smbus_read_byte_data(client, ADC128_REG_BUSY_STATUS) & 0xfc) + return -ENODEV; + + strlcpy(info->type, "adc128d818", I2C_NAME_SIZE); + + return 0; +} + +static int adc128_init_client(struct adc128_data *data) +{ + struct i2c_client *client = data->client; + int err; + + /* + * Reset chip to defaults. + * This makes most other initializations unnecessary. + */ + err = i2c_smbus_write_byte_data(client, ADC128_REG_CONFIG, 0x80); + if (err) + return err; + + /* Start monitoring */ + err = i2c_smbus_write_byte_data(client, ADC128_REG_CONFIG, 0x01); + if (err) + return err; + + /* If external vref is selected, configure the chip to use it */ + if (data->regulator) { + err = i2c_smbus_write_byte_data(client, + ADC128_REG_CONFIG_ADV, 0x01); + if (err) + return err; + } + + return 0; +} + +static int adc128_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct regulator *regulator; + struct device *hwmon_dev; + struct adc128_data *data; + int err, vref; + + data = devm_kzalloc(dev, sizeof(struct adc128_data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* vref is optional. If specified, is used as chip reference voltage */ + regulator = devm_regulator_get_optional(dev, "vref"); + if (!IS_ERR(regulator)) { + data->regulator = regulator; + err = regulator_enable(regulator); + if (err < 0) + return err; + vref = regulator_get_voltage(regulator); + if (vref < 0) { + err = vref; + goto error; + } + data->vref = DIV_ROUND_CLOSEST(vref, 1000); + } else { + data->vref = 2560; /* 2.56V, in mV */ + } + + data->client = client; + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + + /* Initialize the chip */ + err = adc128_init_client(data); + if (err < 0) + goto error; + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, adc128_groups); + if (IS_ERR(hwmon_dev)) { + err = PTR_ERR(hwmon_dev); + goto error; + } + + return 0; + +error: + if (data->regulator) + regulator_disable(data->regulator); + return err; +} + +static int adc128_remove(struct i2c_client *client) +{ + struct adc128_data *data = i2c_get_clientdata(client); + + if (data->regulator) + regulator_disable(data->regulator); + + return 0; +} + +static const struct i2c_device_id adc128_id[] = { + { "adc128d818", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adc128_id); + +static struct i2c_driver adc128_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "adc128d818", + }, + .probe = adc128_probe, + .remove = adc128_remove, + .id_table = adc128_id, + .detect = adc128_detect, + .address_list = normal_i2c, +}; + +module_i2c_driver(adc128_driver); + +MODULE_AUTHOR("Guenter Roeck"); +MODULE_DESCRIPTION("Driver for ADC128D818"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index 751b1f0264a..04c08c2f79b 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -203,7 +203,6 @@ out_err: for (i--; i >= 0; i--) device_remove_file(&spi->dev, &ad_input[i].dev_attr); - spi_set_drvdata(spi, NULL); mutex_unlock(&adc->lock); return status; } @@ -218,7 +217,6 @@ static int adcxx_remove(struct spi_device *spi) for (i = 0; i < 3 + adc->channels; i++) device_remove_file(&spi->dev, &ad_input[i].dev_attr); - spi_set_drvdata(spi, NULL); mutex_unlock(&adc->lock); return 0; diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index 29dd9f746df..d74241bb278 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -79,9 +79,11 @@ enum chips { /* Each client has this additional data */ struct adm1021_data { - struct device *hwmon_dev; + struct i2c_client *client; enum chips type; + const struct attribute_group *groups[3]; + struct mutex update_lock; char valid; /* !=0 if following fields are valid */ char low_power; /* !=0 if device in low power mode */ @@ -101,7 +103,6 @@ static int adm1021_probe(struct i2c_client *client, static int adm1021_detect(struct i2c_client *client, struct i2c_board_info *info); static void adm1021_init_client(struct i2c_client *client); -static int adm1021_remove(struct i2c_client *client); static struct adm1021_data *adm1021_update_device(struct device *dev); /* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */ @@ -128,7 +129,6 @@ static struct i2c_driver adm1021_driver = { .name = "adm1021", }, .probe = adm1021_probe, - .remove = adm1021_remove, .id_table = adm1021_id, .detect = adm1021_detect, .address_list = normal_i2c, @@ -182,10 +182,10 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct adm1021_data *data = i2c_get_clientdata(client); + struct adm1021_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long temp; - int err; + int reg_val, err; err = kstrtol(buf, 10, &temp); if (err) @@ -193,10 +193,11 @@ static ssize_t set_temp_max(struct device *dev, temp /= 1000; mutex_lock(&data->update_lock); - data->temp_max[index] = clamp_val(temp, -128, 127); + reg_val = clamp_val(temp, -128, 127); + data->temp_max[index] = reg_val * 1000; if (!read_only) i2c_smbus_write_byte_data(client, ADM1021_REG_TOS_W(index), - data->temp_max[index]); + reg_val); mutex_unlock(&data->update_lock); return count; @@ -207,10 +208,10 @@ static ssize_t set_temp_min(struct device *dev, const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct adm1021_data *data = i2c_get_clientdata(client); + struct adm1021_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long temp; - int err; + int reg_val, err; err = kstrtol(buf, 10, &temp); if (err) @@ -218,10 +219,11 @@ static ssize_t set_temp_min(struct device *dev, temp /= 1000; mutex_lock(&data->update_lock); - data->temp_min[index] = clamp_val(temp, -128, 127); + reg_val = clamp_val(temp, -128, 127); + data->temp_min[index] = reg_val * 1000; if (!read_only) i2c_smbus_write_byte_data(client, ADM1021_REG_THYST_W(index), - data->temp_min[index]); + reg_val); mutex_unlock(&data->update_lock); return count; @@ -238,8 +240,8 @@ static ssize_t set_low_power(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct adm1021_data *data = i2c_get_clientdata(client); + struct adm1021_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; char low_power; unsigned long val; int err; @@ -412,15 +414,15 @@ static int adm1021_detect(struct i2c_client *client, static int adm1021_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct adm1021_data *data; - int err; + struct device *hwmon_dev; - data = devm_kzalloc(&client->dev, sizeof(struct adm1021_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct adm1021_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; data->type = id->driver_data; mutex_init(&data->update_lock); @@ -428,29 +430,14 @@ static int adm1021_probe(struct i2c_client *client, if (data->type != lm84 && !read_only) adm1021_init_client(client); - /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &adm1021_group); - if (err) - return err; + data->groups[0] = &adm1021_group; + if (data->type != lm84) + data->groups[1] = &adm1021_min_group; - if (data->type != lm84) { - err = sysfs_create_group(&client->dev.kobj, &adm1021_min_group); - if (err) - goto error; - } + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, data->groups); - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error; - } - - return 0; - -error: - sysfs_remove_group(&client->dev.kobj, &adm1021_min_group); - sysfs_remove_group(&client->dev.kobj, &adm1021_group); - return err; + return PTR_ERR_OR_ZERO(hwmon_dev); } static void adm1021_init_client(struct i2c_client *client) @@ -462,21 +449,10 @@ static void adm1021_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, ADM1021_REG_CONV_RATE_W, 0x04); } -static int adm1021_remove(struct i2c_client *client) -{ - struct adm1021_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &adm1021_min_group); - sysfs_remove_group(&client->dev.kobj, &adm1021_group); - - return 0; -} - static struct adm1021_data *adm1021_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct adm1021_data *data = i2c_get_clientdata(client); + struct adm1021_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); @@ -484,7 +460,7 @@ static struct adm1021_data *adm1021_update_device(struct device *dev) || !data->valid) { int i; - dev_dbg(&client->dev, "Starting adm1021 update\n"); + dev_dbg(dev, "Starting adm1021 update\n"); for (i = 0; i < 2; i++) { data->temp[i] = 1000 * diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c index 7e16e5d07bc..9ffc4c8ca8b 100644 --- a/drivers/hwmon/adm1025.c +++ b/drivers/hwmon/adm1025.c @@ -2,7 +2,7 @@ * adm1025.c * * Copyright (C) 2000 Chen-Yuan Wu <gwu@esoft.com> - * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <jdelvare@suse.de> * * The ADM1025 is a sensor chip made by Analog Devices. It reports up to 6 * voltages (including its own power source) and up to two temperatures @@ -615,6 +615,6 @@ static struct adm1025_data *adm1025_update_device(struct device *dev) module_i2c_driver(adm1025_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("ADM1025 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c index 3a6d9ef1c16..b3498acb9ab 100644 --- a/drivers/hwmon/adm1026.c +++ b/drivers/hwmon/adm1026.c @@ -616,7 +616,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) data->gpio = gpio; data->last_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ if (!data->valid || time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) { @@ -700,7 +700,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev) } data->last_config = jiffies; - }; /* last_config */ + } /* last_config */ data->valid = 1; mutex_unlock(&data->update_lock); @@ -1791,7 +1791,7 @@ static int adm1026_detect(struct i2c_client *client, if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { /* We need to be able to do byte I/O */ return -ENODEV; - }; + } /* Now, we do the remaining detection. */ diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c index 9ee5e066423..2804571b269 100644 --- a/drivers/hwmon/adm1029.c +++ b/drivers/hwmon/adm1029.c @@ -1,9 +1,9 @@ /* * adm1029.c - Part of lm_sensors, Linux kernel modules for hardware monitoring * - * Copyright (C) 2006 Corentin LABBE <corentin.labbe@geomatys.fr> + * Copyright (C) 2006 Corentin LABBE <clabbe.montjoie@gmail.com> * - * Based on LM83 Driver by Jean Delvare <khali@linux-fr.org> + * Based on LM83 Driver by Jean Delvare <jdelvare@suse.de> * * Give only processor, motherboard temperatures and fan tachs * Very rare chip please let me know if you use it @@ -232,6 +232,9 @@ static ssize_t set_fan_div(struct device *dev, /* Update the value */ reg = (reg & 0x3F) | (val << 6); + /* Update the cache */ + data->fan_div[attr->index] = reg; + /* Write value */ i2c_smbus_write_byte_data(client, ADM1029_REG_FAN_DIV[attr->index], reg); @@ -449,6 +452,6 @@ static struct adm1029_data *adm1029_update_device(struct device *dev) module_i2c_driver(adm1029_driver); -MODULE_AUTHOR("Corentin LABBE <corentin.labbe@geomatys.fr>"); +MODULE_AUTHOR("Corentin LABBE <clabbe.montjoie@gmail.com>"); MODULE_DESCRIPTION("adm1029 driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index 253ea396106..51c1a5a165a 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -4,7 +4,7 @@ * Based on lm75.c and lm85.c * Supports adm1030 / adm1031 * Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org> - * Reworked by Jean Delvare <khali@linux-fr.org> + * Reworked by Jean Delvare <jdelvare@suse.de> * * 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 @@ -365,6 +365,7 @@ set_auto_temp_min(struct device *dev, struct device_attribute *attr, if (ret) return ret; + val = clamp_val(val, 0, 127000); mutex_lock(&data->update_lock); data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]); adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr), @@ -394,6 +395,7 @@ set_auto_temp_max(struct device *dev, struct device_attribute *attr, if (ret) return ret; + val = clamp_val(val, 0, 127000); mutex_lock(&data->update_lock); data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]); @@ -696,7 +698,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr), @@ -717,7 +719,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr), @@ -738,7 +740,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_crit[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr), diff --git a/drivers/hwmon/adt7310.c b/drivers/hwmon/adt7310.c index da5f0789fb9..5994cf68e0a 100644 --- a/drivers/hwmon/adt7310.c +++ b/drivers/hwmon/adt7310.c @@ -42,13 +42,8 @@ static const u8 adt7310_reg_table[] = { static int adt7310_spi_read_word(struct device *dev, u8 reg) { struct spi_device *spi = to_spi_device(dev); - int ret; - ret = spi_w8r16(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ); - if (ret < 0) - return ret; - - return be16_to_cpu((__force __be16)ret); + return spi_w8r16be(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ); } static int adt7310_spi_write_word(struct device *dev, u8 reg, u16 data) diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c index addb5a4d506..562cc3881d3 100644 --- a/drivers/hwmon/adt7462.c +++ b/drivers/hwmon/adt7462.c @@ -700,7 +700,7 @@ static int find_trange_value(int trange) if (trange_values[i] == trange) return i; - return -ENODEV; + return -EINVAL; } static struct adt7462_data *adt7462_update_device(struct device *dev) @@ -1294,9 +1294,8 @@ static ssize_t set_pwm_tmax(struct device *dev, /* trange = tmax - tmin */ tmin = (data->pwm_tmin[attr->index] - 64) * 1000; trange_value = find_trange_value(trange - tmin); - if (trange_value < 0) - return -EINVAL; + return trange_value; temp = trange_value << ADT7462_PWM_RANGE_SHIFT; temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 0f4dea5ccf1..9ee3913850d 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -515,7 +515,7 @@ static ssize_t set_temp_min(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->temp_min[attr->index] = temp; @@ -549,7 +549,7 @@ static ssize_t set_temp_max(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->temp_max[attr->index] = temp; @@ -826,7 +826,7 @@ static ssize_t set_pwm_tmin(struct device *dev, return -EINVAL; temp = DIV_ROUND_CLOSEST(temp, 1000); - temp = clamp_val(temp, 0, 255); + temp = clamp_val(temp, -128, 127); mutex_lock(&data->lock); data->pwm_tmin[attr->index] = temp; diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index 22d008bbdc1..3cefd1aeb24 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -3,7 +3,7 @@ * Copyright (C) 2007-2008, Advanced Micro Devices, Inc. * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net> * Copyright (C) 2008 Hans de Goede <hdegoede@redhat.com> - * Copyright (C) 2009 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2009 Jean Delvare <jdelvare@suse.de> * * Derived from the lm83 driver by Jean Delvare * diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index eea81729651..9f2be3dd28f 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -704,7 +704,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, get_temp_alarm, NULL, IDX_TEMP1_MAX); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, get_temp_alarm, NULL, IDX_TEMP1_CRIT); -static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, get_temp, NULL, IDX_TEMP2_INPUT); static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp, set_temp, IDX_TEMP2_MIN); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 62c2e32e25e..3288f13d2d8 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -230,6 +230,7 @@ static int send_argument(const char *key) static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) { + u8 status, data = 0; int i; if (send_command(cmd) || send_argument(key)) { @@ -237,6 +238,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) return -EIO; } + /* This has no effect on newer (2012) SMCs */ if (send_byte(len, APPLESMC_DATA_PORT)) { pr_warn("%.4s: read len fail\n", key); return -EIO; @@ -250,6 +252,17 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) buffer[i] = inb(APPLESMC_DATA_PORT); } + /* Read the data port until bit0 is cleared */ + for (i = 0; i < 16; i++) { + udelay(APPLESMC_MIN_WAIT); + status = inb(APPLESMC_CMD_PORT); + if (!(status & 0x01)) + break; + data = inb(APPLESMC_DATA_PORT); + } + if (i) + pr_warn("flushed %d bytes, last value is: %d\n", i, data); + return 0; } @@ -525,16 +538,25 @@ static int applesmc_init_smcreg_try(void) { struct applesmc_registers *s = &smcreg; bool left_light_sensor, right_light_sensor; + unsigned int count; u8 tmp[1]; int ret; if (s->init_complete) return 0; - ret = read_register_count(&s->key_count); + ret = read_register_count(&count); if (ret) return ret; + if (s->cache && s->key_count != count) { + pr_warn("key count changed from %d to %d\n", + s->key_count, count); + kfree(s->cache); + s->cache = NULL; + } + s->key_count = count; + if (!s->cache) s->cache = kcalloc(s->key_count, sizeof(*s->cache), GFP_KERNEL); if (!s->cache) diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c index 3ad9d849add..71463689d16 100644 --- a/drivers/hwmon/asc7621.c +++ b/drivers/hwmon/asc7621.c @@ -138,7 +138,7 @@ static inline u8 read_byte(struct i2c_client *client, u8 reg) dev_err(&client->dev, "Unable to read from register 0x%02x.\n", reg); return 0; - }; + } return res & 0xff; } @@ -149,7 +149,7 @@ static inline int write_byte(struct i2c_client *client, u8 reg, u8 data) dev_err(&client->dev, "Unable to write value 0x%02x to register 0x%02x.\n", data, reg); - }; + } return res; } @@ -1030,7 +1030,7 @@ static struct asc7621_data *asc7621_update_device(struct device *dev) } } data->last_high_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ /* Read all the low priority registers. */ @@ -1044,7 +1044,7 @@ static struct asc7621_data *asc7621_update_device(struct device *dev) } } data->last_low_reading = jiffies; - }; /* last_reading */ + } /* last_reading */ data->valid = 1; @@ -1084,11 +1084,11 @@ static void asc7621_init_client(struct i2c_client *client) dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n", i2c_adapter_id(client->adapter), client->addr); - }; + } if (!(value & 0x04)) { dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", i2c_adapter_id(client->adapter), client->addr); - }; + } /* * Start monitoring @@ -1115,7 +1115,6 @@ asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id) return -ENOMEM; i2c_set_clientdata(client, data); - data->valid = 0; mutex_init(&data->update_lock); /* Initialize the asc7621 chip */ diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index b25c64302cb..ae208f61219 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -16,12 +16,7 @@ #include <linux/dmi.h> #include <linux/jiffies.h> #include <linux/err.h> - -#include <acpi/acpi.h> -#include <acpi/acpixf.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> - +#include <linux/acpi.h> #define ATK_HID "ATK0110" @@ -119,7 +114,7 @@ struct atk_data { acpi_handle rtmp_handle; acpi_handle rvlt_handle; acpi_handle rfan_handle; - /* new inteface */ + /* new interface */ acpi_handle enumerate_handle; acpi_handle read_handle; acpi_handle write_handle; diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c index aecb9ea7beb..2ae8a304b5e 100644 --- a/drivers/hwmon/atxp1.c +++ b/drivers/hwmon/atxp1.c @@ -45,30 +45,6 @@ MODULE_AUTHOR("Sebastian Witt <se.witt@gmx.net>"); static const unsigned short normal_i2c[] = { 0x37, 0x4e, I2C_CLIENT_END }; -static int atxp1_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int atxp1_remove(struct i2c_client *client); -static struct atxp1_data *atxp1_update_device(struct device *dev); -static int atxp1_detect(struct i2c_client *client, struct i2c_board_info *info); - -static const struct i2c_device_id atxp1_id[] = { - { "atxp1", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, atxp1_id); - -static struct i2c_driver atxp1_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "atxp1", - }, - .probe = atxp1_probe, - .remove = atxp1_remove, - .id_table = atxp1_id, - .detect = atxp1_detect, - .address_list = normal_i2c, -}; - struct atxp1_data { struct device *hwmon_dev; struct mutex update_lock; @@ -147,10 +123,9 @@ static ssize_t atxp1_storevcore(struct device *dev, /* Calculate VID */ vid = vid_to_reg(vcore, data->vrm); - if (vid < 0) { dev_err(dev, "VID calculation failed.\n"); - return -1; + return vid; } /* @@ -354,8 +329,6 @@ static int atxp1_probe(struct i2c_client *new_client, data->vrm = vid_which_vrm(); i2c_set_clientdata(new_client, data); - data->valid = 0; - mutex_init(&data->update_lock); /* Register sysfs hooks */ @@ -389,4 +362,22 @@ static int atxp1_remove(struct i2c_client *client) return 0; }; +static const struct i2c_device_id atxp1_id[] = { + { "atxp1", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, atxp1_id); + +static struct i2c_driver atxp1_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "atxp1", + }, + .probe = atxp1_probe, + .remove = atxp1_remove, + .id_table = atxp1_id, + .detect = atxp1_detect, + .address_list = normal_i2c, +}; + module_i2c_driver(atxp1_driver); diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 78be6617684..d76f0b70c6e 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -36,6 +36,7 @@ #include <linux/cpu.h> #include <linux/smp.h> #include <linux/moduleparam.h> +#include <linux/pci.h> #include <asm/msr.h> #include <asm/processor.h> #include <asm/cpu_device_id.h> @@ -52,7 +53,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ #define NUM_REAL_CORES 32 /* Number of Real cores per cpu */ -#define CORETEMP_NAME_LENGTH 17 /* String Length of attrs */ +#define CORETEMP_NAME_LENGTH 19 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ #define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) #define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO) @@ -93,6 +94,8 @@ struct temp_data { bool valid; struct sensor_device_attribute sd_attrs[TOTAL_ATTRS]; char attr_name[TOTAL_ATTRS][CORETEMP_NAME_LENGTH]; + struct attribute *attrs[TOTAL_ATTRS + 1]; + struct attribute_group attr_group; struct mutex update_lock; }; @@ -113,12 +116,6 @@ struct pdev_entry { static LIST_HEAD(pdev_list); static DEFINE_MUTEX(pdev_list_mutex); -static ssize_t show_name(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - return sprintf(buf, "%s\n", DRVNAME); -} - static ssize_t show_label(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -176,20 +173,33 @@ static ssize_t show_temp(struct device *dev, /* Check whether the time interval has elapsed */ if (!tdata->valid || time_after(jiffies, tdata->last_updated + HZ)) { rdmsr_on_cpu(tdata->cpu, tdata->status_reg, &eax, &edx); - tdata->valid = 0; - /* Check whether the data is valid */ - if (eax & 0x80000000) { - tdata->temp = tdata->tjmax - - ((eax >> 16) & 0x7f) * 1000; - tdata->valid = 1; - } + /* + * Ignore the valid bit. In all observed cases the register + * value is either low or zero if the valid bit is 0. + * Return it instead of reporting an error which doesn't + * really help at all. + */ + tdata->temp = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000; + tdata->valid = 1; tdata->last_updated = jiffies; } mutex_unlock(&tdata->update_lock); - return tdata->valid ? sprintf(buf, "%d\n", tdata->temp) : -EAGAIN; + return sprintf(buf, "%d\n", tdata->temp); } +struct tjmax_pci { + unsigned int device; + int tjmax; +}; + +static const struct tjmax_pci tjmax_pci_table[] = { + { 0x0708, 110000 }, /* CE41x0 (Sodaville ) */ + { 0x0c72, 102000 }, /* Atom S1240 (Centerton) */ + { 0x0c73, 95000 }, /* Atom S1220 (Centerton) */ + { 0x0c75, 95000 }, /* Atom S1260 (Centerton) */ +}; + struct tjmax { char const *id; int tjmax; @@ -198,9 +208,6 @@ struct tjmax { static const struct tjmax tjmax_table[] = { { "CPU 230", 100000 }, /* Model 0x1c, stepping 2 */ { "CPU 330", 125000 }, /* Model 0x1c, stepping 2 */ - { "CPU CE4110", 110000 }, /* Model 0x1c, stepping 10 Sodaville */ - { "CPU CE4150", 110000 }, /* Model 0x1c, stepping 10 */ - { "CPU CE4170", 110000 }, /* Model 0x1c, stepping 10 */ }; struct tjmax_model { @@ -222,8 +229,11 @@ static const struct tjmax_model tjmax_model_table[] = { * is undetectable by software */ { 0x27, ANY, 90000 }, /* Atom Medfield (Z2460) */ - { 0x35, ANY, 90000 }, /* Atom Clover Trail/Cloverview (Z2760) */ - { 0x36, ANY, 100000 }, /* Atom Cedar Trail/Cedarview (N2xxx, D2xxx) */ + { 0x35, ANY, 90000 }, /* Atom Clover Trail/Cloverview (Z27x0) */ + { 0x36, ANY, 100000 }, /* Atom Cedar Trail/Cedarview (N2xxx, D2xxx) + * Also matches S12x0 (stepping 9), covered by + * PCI table + */ }; static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) @@ -236,8 +246,20 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) int err; u32 eax, edx; int i; + struct pci_dev *host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + + /* + * Explicit tjmax table entries override heuristics. + * First try PCI host bridge IDs, followed by model ID strings + * and model/stepping information. + */ + if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL) { + for (i = 0; i < ARRAY_SIZE(tjmax_pci_table); i++) { + if (host_bridge->device == tjmax_pci_table[i].device) + return tjmax_pci_table[i].tjmax; + } + } - /* explicit tjmax table entries override heuristics */ for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) { if (strstr(c->x86_model_id, tjmax_table[i].id)) return tjmax_table[i].tjmax; @@ -367,20 +389,10 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) return adjust_tjmax(c, id, dev); } -static int create_name_attr(struct platform_data *pdata, - struct device *dev) -{ - sysfs_attr_init(&pdata->name_attr.attr); - pdata->name_attr.attr.name = "name"; - pdata->name_attr.attr.mode = S_IRUGO; - pdata->name_attr.show = show_name; - return device_create_file(dev, &pdata->name_attr); -} - static int create_core_attrs(struct temp_data *tdata, struct device *dev, int attr_no) { - int err, i; + int i; static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev, struct device_attribute *devattr, char *buf) = { show_label, show_crit_alarm, show_temp, show_tjmax, @@ -398,16 +410,10 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, tdata->sd_attrs[i].dev_attr.attr.mode = S_IRUGO; tdata->sd_attrs[i].dev_attr.show = rd_ptr[i]; tdata->sd_attrs[i].index = attr_no; - err = device_create_file(dev, &tdata->sd_attrs[i].dev_attr); - if (err) - goto exit_free; + tdata->attrs[i] = &tdata->sd_attrs[i].dev_attr.attr; } - return 0; - -exit_free: - while (--i >= 0) - device_remove_file(dev, &tdata->sd_attrs[i].dev_attr); - return err; + tdata->attr_group.attrs = tdata->attrs; + return sysfs_create_group(&dev->kobj, &tdata->attr_group); } @@ -522,7 +528,7 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu, pdata->core_data[attr_no] = tdata; /* Create sysfs interfaces */ - err = create_core_attrs(tdata, &pdev->dev, attr_no); + err = create_core_attrs(tdata, pdata->hwmon_dev, attr_no); if (err) goto exit_free; @@ -547,14 +553,12 @@ static void coretemp_add_core(unsigned int cpu, int pkg_flag) } static void coretemp_remove_core(struct platform_data *pdata, - struct device *dev, int indx) + int indx) { - int i; struct temp_data *tdata = pdata->core_data[indx]; /* Remove the sysfs attributes */ - for (i = 0; i < tdata->attr_size; i++) - device_remove_file(dev, &tdata->sd_attrs[i].dev_attr); + sysfs_remove_group(&pdata->hwmon_dev->kobj, &tdata->attr_group); kfree(pdata->core_data[indx]); pdata->core_data[indx] = NULL; @@ -562,34 +566,20 @@ static void coretemp_remove_core(struct platform_data *pdata, static int coretemp_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct platform_data *pdata; - int err; /* Initialize the per-package data structures */ - pdata = kzalloc(sizeof(struct platform_data), GFP_KERNEL); + pdata = devm_kzalloc(dev, sizeof(struct platform_data), GFP_KERNEL); if (!pdata) return -ENOMEM; - err = create_name_attr(pdata, &pdev->dev); - if (err) - goto exit_free; - pdata->phys_proc_id = pdev->id; platform_set_drvdata(pdev, pdata); - pdata->hwmon_dev = hwmon_device_register(&pdev->dev); - if (IS_ERR(pdata->hwmon_dev)) { - err = PTR_ERR(pdata->hwmon_dev); - dev_err(&pdev->dev, "Class registration failed (%d)\n", err); - goto exit_name; - } - return 0; - -exit_name: - device_remove_file(&pdev->dev, &pdata->name_attr); -exit_free: - kfree(pdata); - return err; + pdata->hwmon_dev = devm_hwmon_device_register_with_groups(dev, DRVNAME, + pdata, NULL); + return PTR_ERR_OR_ZERO(pdata->hwmon_dev); } static int coretemp_remove(struct platform_device *pdev) @@ -599,11 +589,8 @@ static int coretemp_remove(struct platform_device *pdev) for (i = MAX_CORE_DATA - 1; i >= 0; --i) if (pdata->core_data[i]) - coretemp_remove_core(pdata, &pdev->dev, i); + coretemp_remove_core(pdata, i); - device_remove_file(&pdev->dev, &pdata->name_attr); - hwmon_device_unregister(pdata->hwmon_dev); - kfree(pdata); return 0; } @@ -751,7 +738,7 @@ static void put_core_offline(unsigned int cpu) return; if (pdata->core_data[indx] && pdata->core_data[indx]->cpu == cpu) - coretemp_remove_core(pdata, &pdev->dev, indx); + coretemp_remove_core(pdata, indx); /* * If a HT sibling of a core is taken offline, but another HT sibling @@ -823,20 +810,20 @@ static int __init coretemp_init(void) if (err) goto exit; - get_online_cpus(); + cpu_notifier_register_begin(); for_each_online_cpu(i) get_core_online(i); #ifndef CONFIG_HOTPLUG_CPU if (list_empty(&pdev_list)) { - put_online_cpus(); + cpu_notifier_register_done(); err = -ENODEV; goto exit_driver_unreg; } #endif - register_hotcpu_notifier(&coretemp_cpu_notifier); - put_online_cpus(); + __register_hotcpu_notifier(&coretemp_cpu_notifier); + cpu_notifier_register_done(); return 0; #ifndef CONFIG_HOTPLUG_CPU @@ -851,8 +838,8 @@ static void __exit coretemp_exit(void) { struct pdev_entry *p, *n; - get_online_cpus(); - unregister_hotcpu_notifier(&coretemp_cpu_notifier); + cpu_notifier_register_begin(); + __unregister_hotcpu_notifier(&coretemp_cpu_notifier); mutex_lock(&pdev_list_mutex); list_for_each_entry_safe(p, n, &pdev_list, list) { platform_device_unregister(p->pdev); @@ -860,7 +847,7 @@ static void __exit coretemp_exit(void) kfree(p); } mutex_unlock(&pdev_list_mutex); - put_online_cpus(); + cpu_notifier_register_done(); platform_driver_unregister(&coretemp_driver); } diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c index 960fac3fb16..d14ab3c45da 100644 --- a/drivers/hwmon/da9052-hwmon.c +++ b/drivers/hwmon/da9052-hwmon.c @@ -45,7 +45,7 @@ static const char * const input_names[] = { /* Conversion function for VDDOUT and VBAT */ static inline int volt_reg_to_mv(int value) { - return DIV_ROUND_CLOSEST(value * 1000, 512) + 2500; + return DIV_ROUND_CLOSEST(value * 2000, 1023) + 2500; } /* Conversion function for ADC channels 4, 5 and 6 */ @@ -57,7 +57,7 @@ static inline int input_reg_to_mv(int value) /* Conversion function for VBBAT */ static inline int vbbat_reg_to_mv(int value) { - return DIV_ROUND_CLOSEST(value * 2500, 512); + return DIV_ROUND_CLOSEST(value * 5000, 1023); } static inline int da9052_enable_vddout_channel(struct da9052 *da9052) @@ -194,7 +194,7 @@ static ssize_t da9052_hwmon_show_name(struct device *dev, struct device_attribute *devattr, char *buf) { - return sprintf(buf, "da9052-hwmon\n"); + return sprintf(buf, "da9052\n"); } static ssize_t show_label(struct device *dev, diff --git a/drivers/hwmon/da9055-hwmon.c b/drivers/hwmon/da9055-hwmon.c index 029ecabc438..35eb7738d71 100644 --- a/drivers/hwmon/da9055-hwmon.c +++ b/drivers/hwmon/da9055-hwmon.c @@ -204,7 +204,7 @@ static ssize_t da9055_hwmon_show_name(struct device *dev, struct device_attribute *devattr, char *buf) { - return sprintf(buf, "da9055-hwmon\n"); + return sprintf(buf, "da9055\n"); } static ssize_t show_label(struct device *dev, @@ -278,10 +278,6 @@ static int da9055_hwmon_probe(struct platform_device *pdev) if (hwmon_irq < 0) return hwmon_irq; - hwmon_irq = regmap_irq_get_virq(hwmon->da9055->irq_data, hwmon_irq); - if (hwmon_irq < 0) - return hwmon_irq; - ret = devm_request_threaded_irq(&pdev->dev, hwmon_irq, NULL, da9055_auxadc_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c index a26ba7a17c2..fc6f5d54e7f 100644 --- a/drivers/hwmon/ds1621.c +++ b/drivers/hwmon/ds1621.c @@ -4,7 +4,7 @@ * Christian W. Zuckschwerdt <zany@triq.net> 2000-11-23 * based on lm75.c by Frodo Looijaard <frodol@dds.nl> * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with - * the help of Jean Delvare <khali@linux-fr.org> + * the help of Jean Delvare <jdelvare@suse.de> * * The DS1621 device is a digital temperature/thermometer with 9-bit * resolution, a thermal alarm output (Tout), and user-defined minimum @@ -120,7 +120,7 @@ static const u8 DS1621_REG_TEMP[3] = { /* Each client has this additional data */ struct ds1621_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -151,10 +151,10 @@ static inline u16 DS1621_TEMP_TO_REG(long temp, u8 zbits) return temp; } -static void ds1621_init_client(struct i2c_client *client) +static void ds1621_init_client(struct ds1621_data *data, + struct i2c_client *client) { u8 conf, new_conf, sreg, resol; - struct ds1621_data *data = i2c_get_clientdata(client); new_conf = conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF); /* switch to continuous conversion mode */ @@ -197,8 +197,8 @@ static void ds1621_init_client(struct i2c_client *client) static struct ds1621_data *ds1621_update_client(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); + struct ds1621_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; u8 new_conf; mutex_lock(&data->update_lock); @@ -247,8 +247,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); + struct ds1621_data *data = dev_get_drvdata(dev); long val; int err; @@ -258,7 +257,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, mutex_lock(&data->update_lock); data->temp[attr->index] = DS1621_TEMP_TO_REG(val, data->zbits); - i2c_smbus_write_word_swapped(client, DS1621_REG_TEMP[attr->index], + i2c_smbus_write_word_swapped(data->client, DS1621_REG_TEMP[attr->index], data->temp[attr->index]); mutex_unlock(&data->update_lock); return count; @@ -282,16 +281,15 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *da, static ssize_t show_convrate(struct device *dev, struct device_attribute *da, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); + struct ds1621_data *data = dev_get_drvdata(dev); return scnprintf(buf, PAGE_SIZE, "%hu\n", data->update_interval); } static ssize_t set_convrate(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); + struct ds1621_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long convrate; s32 err; int resol = 0; @@ -343,8 +341,7 @@ static umode_t ds1621_attribute_visible(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); - struct ds1621_data *data = i2c_get_clientdata(client); + struct ds1621_data *data = dev_get_drvdata(dev); if (attr == &dev_attr_update_interval.attr) if (data->kind == ds1621 || data->kind == ds1625) @@ -357,52 +354,31 @@ static const struct attribute_group ds1621_group = { .attrs = ds1621_attributes, .is_visible = ds1621_attribute_visible }; +__ATTRIBUTE_GROUPS(ds1621); static int ds1621_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct ds1621_data *data; - int err; + struct device *hwmon_dev; data = devm_kzalloc(&client->dev, sizeof(struct ds1621_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); mutex_init(&data->update_lock); data->kind = id->driver_data; + data->client = client; /* Initialize the DS1621 chip */ - ds1621_init_client(client); - - /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &ds1621_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - - exit_remove_files: - sysfs_remove_group(&client->dev.kobj, &ds1621_group); - return err; -} - -static int ds1621_remove(struct i2c_client *client) -{ - struct ds1621_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &ds1621_group); + ds1621_init_client(data, client); - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + ds1621_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id ds1621_id[] = { @@ -422,7 +398,6 @@ static struct i2c_driver ds1621_driver = { .name = "ds1621", }, .probe = ds1621_probe, - .remove = ds1621_remove, .id_table = ds1621_id, }; diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 142e1cb8dea..a37b2204a41 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -18,10 +18,6 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * TODO - * - cache alarm and critical limit registers - * - add emc1404 support */ #include <linux/module.h> @@ -33,60 +29,60 @@ #include <linux/err.h> #include <linux/sysfs.h> #include <linux/mutex.h> -#include <linux/jiffies.h> +#include <linux/regmap.h> #define THERMAL_PID_REG 0xfd #define THERMAL_SMSC_ID_REG 0xfe #define THERMAL_REVISION_REG 0xff +enum emc1403_chip { emc1402, emc1403, emc1404 }; + struct thermal_data { - struct device *hwmon_dev; + struct regmap *regmap; struct mutex mutex; - /* - * Cache the hyst value so we don't keep re-reading it. In theory - * we could cache it forever as nobody else should be writing it. - */ - u8 cached_hyst; - unsigned long hyst_valid; + const struct attribute_group *groups[4]; }; static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); - int retval = i2c_smbus_read_byte_data(client, sda->index); + struct thermal_data *data = dev_get_drvdata(dev); + unsigned int val; + int retval; + retval = regmap_read(data->regmap, sda->index, &val); if (retval < 0) return retval; - return sprintf(buf, "%d000\n", retval); + return sprintf(buf, "%d000\n", val); } static ssize_t show_bit(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr); - int retval = i2c_smbus_read_byte_data(client, sda->nr); + struct thermal_data *data = dev_get_drvdata(dev); + unsigned int val; + int retval; + retval = regmap_read(data->regmap, sda->nr, &val); if (retval < 0) return retval; - retval &= sda->index; - return sprintf(buf, "%d\n", retval ? 1 : 0); + return sprintf(buf, "%d\n", !!(val & sda->index)); } static ssize_t store_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); - struct i2c_client *client = to_i2c_client(dev); + struct thermal_data *data = dev_get_drvdata(dev); unsigned long val; int retval; if (kstrtoul(buf, 10, &val)) return -EINVAL; - retval = i2c_smbus_write_byte_data(client, sda->index, - DIV_ROUND_CLOSEST(val, 1000)); + retval = regmap_write(data->regmap, sda->index, + DIV_ROUND_CLOSEST(val, 1000)); if (retval < 0) return retval; return count; @@ -95,61 +91,62 @@ static ssize_t store_temp(struct device *dev, static ssize_t store_bit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct thermal_data *data = i2c_get_clientdata(client); struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr); + struct thermal_data *data = dev_get_drvdata(dev); unsigned long val; int retval; if (kstrtoul(buf, 10, &val)) return -EINVAL; - mutex_lock(&data->mutex); - retval = i2c_smbus_read_byte_data(client, sda->nr); + retval = regmap_update_bits(data->regmap, sda->nr, sda->index, + val ? sda->index : 0); if (retval < 0) - goto fail; - - retval &= ~sda->index; - if (val) - retval |= sda->index; - - retval = i2c_smbus_write_byte_data(client, sda->index, retval); - if (retval == 0) - retval = count; -fail: - mutex_unlock(&data->mutex); - return retval; + return retval; + return count; } -static ssize_t show_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_hyst_common(struct device *dev, + struct device_attribute *attr, char *buf, + bool is_min) { - struct i2c_client *client = to_i2c_client(dev); - struct thermal_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); + struct thermal_data *data = dev_get_drvdata(dev); + struct regmap *regmap = data->regmap; + unsigned int limit; + unsigned int hyst; int retval; - int hyst; - retval = i2c_smbus_read_byte_data(client, sda->index); + retval = regmap_read(regmap, sda->index, &limit); if (retval < 0) return retval; - if (time_after(jiffies, data->hyst_valid)) { - hyst = i2c_smbus_read_byte_data(client, 0x21); - if (hyst < 0) - return retval; - data->cached_hyst = hyst; - data->hyst_valid = jiffies + HZ; - } - return sprintf(buf, "%d000\n", retval - data->cached_hyst); + retval = regmap_read(regmap, 0x21, &hyst); + if (retval < 0) + return retval; + + return sprintf(buf, "%d000\n", is_min ? limit + hyst : limit - hyst); +} + +static ssize_t show_hyst(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return show_hyst_common(dev, attr, buf, false); +} + +static ssize_t show_min_hyst(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return show_hyst_common(dev, attr, buf, true); } static ssize_t store_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct thermal_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); + struct thermal_data *data = dev_get_drvdata(dev); + struct regmap *regmap = data->regmap; + unsigned int limit; int retval; int hyst; unsigned long val; @@ -158,23 +155,15 @@ static ssize_t store_hyst(struct device *dev, return -EINVAL; mutex_lock(&data->mutex); - retval = i2c_smbus_read_byte_data(client, sda->index); + retval = regmap_read(regmap, sda->index, &limit); if (retval < 0) goto fail; - hyst = val - retval * 1000; - hyst = DIV_ROUND_CLOSEST(hyst, 1000); - if (hyst < 0 || hyst > 255) { - retval = -ERANGE; - goto fail; - } - - retval = i2c_smbus_write_byte_data(client, 0x21, hyst); - if (retval == 0) { + hyst = limit * 1000 - val; + hyst = clamp_val(DIV_ROUND_CLOSEST(hyst, 1000), 0, 255); + retval = regmap_write(regmap, 0x21, hyst); + if (retval == 0) retval = count; - data->cached_hyst = hyst; - data->hyst_valid = jiffies + HZ; - } fail: mutex_unlock(&data->mutex); return retval; @@ -197,6 +186,8 @@ static SENSOR_DEVICE_ATTR_2(temp1_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x01); static SENSOR_DEVICE_ATTR_2(temp1_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x01); +static SENSOR_DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x06); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_hyst, NULL, 0x05); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO | S_IWUSR, show_hyst, store_hyst, 0x20); @@ -207,14 +198,16 @@ static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, 0x19); static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0x01); +static SENSOR_DEVICE_ATTR_2(temp2_fault, S_IRUGO, show_bit, NULL, 0x1b, 0x02); static SENSOR_DEVICE_ATTR_2(temp2_min_alarm, S_IRUGO, show_bit, NULL, 0x36, 0x02); static SENSOR_DEVICE_ATTR_2(temp2_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x02); static SENSOR_DEVICE_ATTR_2(temp2_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x02); -static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO | S_IWUSR, - show_hyst, store_hyst, 0x19); +static SENSOR_DEVICE_ATTR(temp2_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x08); +static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO, show_hyst, NULL, 0x07); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_hyst, NULL, 0x19); static SENSOR_DEVICE_ATTR(temp3_min, S_IRUGO | S_IWUSR, show_temp, store_temp, 0x16); @@ -223,49 +216,141 @@ static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR, static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, 0x1A); static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 0x23); +static SENSOR_DEVICE_ATTR_2(temp3_fault, S_IRUGO, show_bit, NULL, 0x1b, 0x04); static SENSOR_DEVICE_ATTR_2(temp3_min_alarm, S_IRUGO, show_bit, NULL, 0x36, 0x04); static SENSOR_DEVICE_ATTR_2(temp3_max_alarm, S_IRUGO, show_bit, NULL, 0x35, 0x04); static SENSOR_DEVICE_ATTR_2(temp3_crit_alarm, S_IRUGO, show_bit, NULL, 0x37, 0x04); -static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO | S_IWUSR, - show_hyst, store_hyst, 0x1A); +static SENSOR_DEVICE_ATTR(temp3_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x16); +static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO, show_hyst, NULL, 0x15); +static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_hyst, NULL, 0x1A); + +static SENSOR_DEVICE_ATTR(temp4_min, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x2D); +static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x2C); +static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x30); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 0x2A); +static SENSOR_DEVICE_ATTR_2(temp4_fault, S_IRUGO, show_bit, NULL, 0x1b, 0x08); +static SENSOR_DEVICE_ATTR_2(temp4_min_alarm, S_IRUGO, + show_bit, NULL, 0x36, 0x08); +static SENSOR_DEVICE_ATTR_2(temp4_max_alarm, S_IRUGO, + show_bit, NULL, 0x35, 0x08); +static SENSOR_DEVICE_ATTR_2(temp4_crit_alarm, S_IRUGO, + show_bit, NULL, 0x37, 0x08); +static SENSOR_DEVICE_ATTR(temp4_min_hyst, S_IRUGO, show_min_hyst, NULL, 0x2D); +static SENSOR_DEVICE_ATTR(temp4_max_hyst, S_IRUGO, show_hyst, NULL, 0x2C); +static SENSOR_DEVICE_ATTR(temp4_crit_hyst, S_IRUGO, show_hyst, NULL, 0x30); static SENSOR_DEVICE_ATTR_2(power_state, S_IRUGO | S_IWUSR, show_bit, store_bit, 0x03, 0x40); -static struct attribute *mid_att_thermal[] = { +static struct attribute *emc1402_attrs[] = { &sensor_dev_attr_temp1_min.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_crit.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, - &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, - &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, - &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_min_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, &sensor_dev_attr_temp2_max.dev_attr.attr, &sensor_dev_attr_temp2_crit.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, + + &sensor_dev_attr_power_state.dev_attr.attr, + NULL +}; + +static const struct attribute_group emc1402_group = { + .attrs = emc1402_attrs, +}; + +static struct attribute *emc1403_attrs[] = { + &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, + + &sensor_dev_attr_temp2_fault.dev_attr.attr, &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, - &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, &sensor_dev_attr_temp3_max.dev_attr.attr, &sensor_dev_attr_temp3_crit.dev_attr.attr, &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_fault.dev_attr.attr, &sensor_dev_attr_temp3_min_alarm.dev_attr.attr, &sensor_dev_attr_temp3_max_alarm.dev_attr.attr, &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_min_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, - &sensor_dev_attr_power_state.dev_attr.attr, NULL }; -static const struct attribute_group m_thermal_gr = { - .attrs = mid_att_thermal +static const struct attribute_group emc1403_group = { + .attrs = emc1403_attrs, +}; + +static struct attribute *emc1404_attrs[] = { + &sensor_dev_attr_temp4_min.dev_attr.attr, + &sensor_dev_attr_temp4_max.dev_attr.attr, + &sensor_dev_attr_temp4_crit.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + &sensor_dev_attr_temp4_fault.dev_attr.attr, + &sensor_dev_attr_temp4_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_min_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_crit_hyst.dev_attr.attr, + NULL +}; + +static const struct attribute_group emc1404_group = { + .attrs = emc1404_attrs, +}; + +/* + * EMC14x2 uses a different register and different bits to report alarm and + * fault status. For simplicity, provide a separate attribute group for this + * chip series. + * Since we can not re-use the same attribute names, create a separate attribute + * array. + */ +static struct sensor_device_attribute_2 emc1402_alarms[] = { + SENSOR_ATTR_2(temp1_min_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x20), + SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x40), + SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x01), + + SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_bit, NULL, 0x02, 0x04), + SENSOR_ATTR_2(temp2_min_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x08), + SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x10), + SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x02), +}; + +static struct attribute *emc1402_alarm_attrs[] = { + &emc1402_alarms[0].dev_attr.attr, + &emc1402_alarms[1].dev_attr.attr, + &emc1402_alarms[2].dev_attr.attr, + &emc1402_alarms[3].dev_attr.attr, + &emc1402_alarms[4].dev_attr.attr, + &emc1402_alarms[5].dev_attr.attr, + &emc1402_alarms[6].dev_attr.attr, + NULL, +}; + +static const struct attribute_group emc1402_alarm_group = { + .attrs = emc1402_alarm_attrs, }; static int emc1403_detect(struct i2c_client *client, @@ -280,77 +365,118 @@ static int emc1403_detect(struct i2c_client *client, id = i2c_smbus_read_byte_data(client, THERMAL_PID_REG); switch (id) { + case 0x20: + strlcpy(info->type, "emc1402", I2C_NAME_SIZE); + break; case 0x21: strlcpy(info->type, "emc1403", I2C_NAME_SIZE); break; + case 0x22: + strlcpy(info->type, "emc1422", I2C_NAME_SIZE); + break; case 0x23: strlcpy(info->type, "emc1423", I2C_NAME_SIZE); break; - /* - * Note: 0x25 is the 1404 which is very similar and this - * driver could be extended - */ + case 0x25: + strlcpy(info->type, "emc1404", I2C_NAME_SIZE); + break; + case 0x27: + strlcpy(info->type, "emc1424", I2C_NAME_SIZE); + break; default: return -ENODEV; } id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG); - if (id != 0x01) + if (id < 0x01 || id > 0x04) return -ENODEV; return 0; } +static bool emc1403_regmap_is_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x00: /* internal diode high byte */ + case 0x01: /* external diode 1 high byte */ + case 0x02: /* status */ + case 0x10: /* external diode 1 low byte */ + case 0x1b: /* external diode fault */ + case 0x23: /* external diode 2 high byte */ + case 0x24: /* external diode 2 low byte */ + case 0x29: /* internal diode low byte */ + case 0x2a: /* externl diode 3 high byte */ + case 0x2b: /* external diode 3 low byte */ + case 0x35: /* high limit status */ + case 0x36: /* low limit status */ + case 0x37: /* therm limit status */ + return true; + default: + return false; + } +} + +static struct regmap_config emc1403_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .volatile_reg = emc1403_regmap_is_volatile, +}; + static int emc1403_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int res; struct thermal_data *data; + struct device *hwmon_dev; data = devm_kzalloc(&client->dev, sizeof(struct thermal_data), GFP_KERNEL); if (data == NULL) return -ENOMEM; - i2c_set_clientdata(client, data); + data->regmap = devm_regmap_init_i2c(client, &emc1403_regmap_config); + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + mutex_init(&data->mutex); - data->hyst_valid = jiffies - 1; /* Expired */ - res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr); - if (res) { - dev_warn(&client->dev, "create group failed\n"); - return res; - } - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - res = PTR_ERR(data->hwmon_dev); - dev_warn(&client->dev, "register hwmon dev failed\n"); - goto thermal_error; + switch (id->driver_data) { + case emc1404: + data->groups[2] = &emc1404_group; + case emc1403: + data->groups[1] = &emc1403_group; + case emc1402: + data->groups[0] = &emc1402_group; } - dev_info(&client->dev, "EMC1403 Thermal chip found\n"); - return 0; -thermal_error: - sysfs_remove_group(&client->dev.kobj, &m_thermal_gr); - return res; -} + if (id->driver_data == emc1402) + data->groups[1] = &emc1402_alarm_group; -static int emc1403_remove(struct i2c_client *client) -{ - struct thermal_data *data = i2c_get_clientdata(client); + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + data->groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &m_thermal_gr); + dev_info(&client->dev, "%s Thermal chip found\n", id->name); return 0; } static const unsigned short emc1403_address_list[] = { - 0x18, 0x29, 0x4c, 0x4d, I2C_CLIENT_END + 0x18, 0x1c, 0x29, 0x4c, 0x4d, 0x5c, I2C_CLIENT_END }; +/* Last digit of chip name indicates number of channels */ static const struct i2c_device_id emc1403_idtable[] = { - { "emc1403", 0 }, - { "emc1423", 0 }, + { "emc1402", emc1402 }, + { "emc1403", emc1403 }, + { "emc1404", emc1404 }, + { "emc1412", emc1402 }, + { "emc1413", emc1403 }, + { "emc1414", emc1404 }, + { "emc1422", emc1402 }, + { "emc1423", emc1403 }, + { "emc1424", emc1404 }, { } }; MODULE_DEVICE_TABLE(i2c, emc1403_idtable); @@ -362,7 +488,6 @@ static struct i2c_driver sensor_emc1403 = { }, .detect = emc1403_detect, .probe = emc1403_probe, - .remove = emc1403_remove, .id_table = emc1403_idtable, .address_list = emc1403_address_list, }; diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index 2c137b26acb..78002de46cb 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -250,9 +250,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = DIV_ROUND_CLOSEST(val, 1000); - if ((val < -63) || (val > 127)) - return -EINVAL; + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); mutex_lock(&data->update_lock); data->temp_min[nr] = val; @@ -274,9 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = DIV_ROUND_CLOSEST(val, 1000); - if ((val < -63) || (val > 127)) - return -EINVAL; + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); mutex_lock(&data->update_lock); data->temp_max[nr] = val; @@ -349,7 +345,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da, dev_dbg(&client->dev, "reg 0x%02x, err %d\n", REG_FAN_CONF1, status); mutex_unlock(&data->update_lock); - return -EIO; + return status; } status &= 0x9F; status |= (new_range_bits << 5); @@ -390,15 +386,14 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da, { struct emc2103_data *data = emc2103_update_device(dev); struct i2c_client *client = to_i2c_client(dev); - long rpm_target; + unsigned long rpm_target; - int result = kstrtol(buf, 10, &rpm_target); + int result = kstrtoul(buf, 10, &rpm_target); if (result < 0) return result; /* Datasheet states 16384 as maximum RPM target (table 3.2) */ - if ((rpm_target < 0) || (rpm_target > 16384)) - return -EINVAL; + rpm_target = clamp_val(rpm_target, 0, 16384); mutex_lock(&data->update_lock); diff --git a/drivers/hwmon/emc6w201.c b/drivers/hwmon/emc6w201.c index 82e661e8241..f76a74cb6dc 100644 --- a/drivers/hwmon/emc6w201.c +++ b/drivers/hwmon/emc6w201.c @@ -1,6 +1,6 @@ /* * emc6w201.c - Hardware monitoring driver for the SMSC EMC6W201 - * Copyright (C) 2011 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2011 Jean Delvare <jdelvare@suse.de> * * 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 @@ -548,6 +548,6 @@ static struct i2c_driver emc6w201_driver = { module_i2c_driver(emc6w201_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("SMSC EMC6W201 hardware monitoring driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 15b7f5281de..9e57b77ecd3 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -1,7 +1,7 @@ /* * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O * chips integrated hardware monitoring features - * Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2006 Jean Delvare <jdelvare@suse.de> * * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates * complete hardware monitoring features: voltage, fan and temperature @@ -1387,10 +1387,8 @@ static int f71805f_probe(struct platform_device *pdev) data = devm_kzalloc(&pdev->dev, sizeof(struct f71805f_data), GFP_KERNEL); - if (!data) { - pr_err("Out of memory\n"); + if (!data) return -ENOMEM; - } res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(&pdev->dev, res->start + ADDR_REG_OFFSET, 2, @@ -1648,7 +1646,7 @@ static void __exit f71805f_exit(void) platform_driver_unregister(&f71805f_driver); } -MODULE_AUTHOR("Jean Delvare <khali@linux-fr>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver"); diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 31b221eeee6..03d8592810b 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -2420,7 +2420,6 @@ static int f71882fg_probe(struct platform_device *pdev) exit_unregister_sysfs: f71882fg_remove(pdev); /* Will unregister the sysfs files for us */ return err; /* f71882fg_remove() also frees our data */ - return err; } static int f71882fg_remove(struct platform_device *pdev) diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index a837b94977f..80c42bea90e 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -275,7 +275,7 @@ static bool duty_mode_enabled(u8 pwm_enable) case 3: /* Manual, speed mode */ return false; default: - BUG(); + WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); return true; } } @@ -291,7 +291,7 @@ static bool auto_mode_enabled(u8 pwm_enable) case 4: /* Auto, duty mode */ return true; default: - BUG(); + WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); return false; } } diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index dff841085ba..6040121a405 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -249,7 +249,7 @@ static void fam15h_power_remove(struct pci_dev *pdev) sysfs_remove_group(&dev->kobj, &fam15h_power_attr_group); } -static DEFINE_PCI_DEVICE_TABLE(fam15h_power_id_table) = { +static const struct pci_device_id fam15h_power_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) }, {} diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c index b4b8b5bef71..98a8618d8fb 100644 --- a/drivers/hwmon/g762.c +++ b/drivers/hwmon/g762.c @@ -586,7 +586,7 @@ static int do_set_fan_startv(struct device *dev, unsigned long val) */ #ifdef CONFIG_OF -static struct of_device_id g762_dt_match[] = { +static const struct of_device_id g762_dt_match[] = { { .compatible = "gmt,g762" }, { .compatible = "gmt,g763" }, { }, diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c index 95257a5621d..1e983051304 100644 --- a/drivers/hwmon/gl518sm.c +++ b/drivers/hwmon/gl518sm.c @@ -4,7 +4,7 @@ * Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl> and * Kyosti Malkki <kmalkki@cc.hut.fi> * Copyright (C) 2004 Hong-Gunn Chew <hglinux@gunnet.org> and - * Jean Delvare <khali@linux-fr.org> + * Jean Delvare <jdelvare@suse.de> * * 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 diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index b7d6a5704eb..2566c43dd1e 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -31,6 +31,7 @@ #include <linux/hwmon.h> #include <linux/gpio.h> #include <linux/gpio-fan.h> +#include <linux/of.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> @@ -169,7 +170,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data) dev_warn(&fan_data->pdev->dev, "missing speed array entry for GPIO value 0x%x\n", ctrl_val); - return -EINVAL; + return -ENODEV; } static int rpm_to_speed_index(struct gpio_fan_data *fan_data, int rpm) @@ -309,12 +310,6 @@ exit_unlock: return ret; } -static ssize_t show_name(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "gpio-fan\n"); -} - static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm); static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, set_pwm_enable); @@ -324,26 +319,23 @@ static DEVICE_ATTR(fan1_max, S_IRUGO, show_rpm_max, NULL); static DEVICE_ATTR(fan1_input, S_IRUGO, show_rpm, NULL); static DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, show_rpm, set_rpm); -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - static umode_t gpio_fan_is_visible(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); struct gpio_fan_data *data = dev_get_drvdata(dev); - if (index == 1 && !data->alarm) + if (index == 0 && !data->alarm) return 0; - if (index > 1 && !data->ctrl) + if (index > 0 && !data->ctrl) return 0; return attr->mode; } static struct attribute *gpio_fan_attributes[] = { - &dev_attr_name.attr, - &dev_attr_fan1_alarm.attr, /* 1 */ - &dev_attr_pwm1.attr, /* 2 */ + &dev_attr_fan1_alarm.attr, /* 0 */ + &dev_attr_pwm1.attr, /* 1 */ &dev_attr_pwm1_enable.attr, &dev_attr_pwm1_mode.attr, &dev_attr_fan1_input.attr, @@ -358,6 +350,11 @@ static const struct attribute_group gpio_fan_group = { .is_visible = gpio_fan_is_visible, }; +static const struct attribute_group *gpio_fan_groups[] = { + &gpio_fan_group, + NULL +}; + static int fan_ctrl_init(struct gpio_fan_data *fan_data, struct gpio_fan_platform_data *pdata) { @@ -384,7 +381,7 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data, fan_data->pwm_enable = true; /* Enable manual fan speed control. */ fan_data->speed_index = get_fan_speed_index(fan_data); if (fan_data->speed_index < 0) - return -ENODEV; + return fan_data->speed_index; return 0; } @@ -485,7 +482,7 @@ static int gpio_fan_get_of_pdata(struct device *dev, return 0; } -static struct of_device_id of_gpio_fan_match[] = { +static const struct of_device_id of_gpio_fan_match[] = { { .compatible = "gpio-fan", }, {}, }; @@ -539,24 +536,16 @@ static int gpio_fan_probe(struct platform_device *pdev) return err; } - err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_group); - if (err) - return err; - /* Make this driver part of hwmon class. */ - fan_data->hwmon_dev = hwmon_device_register(&pdev->dev); - if (IS_ERR(fan_data->hwmon_dev)) { - err = PTR_ERR(fan_data->hwmon_dev); - goto err_remove; - } + fan_data->hwmon_dev = hwmon_device_register_with_groups(&pdev->dev, + "gpio_fan", fan_data, + gpio_fan_groups); + if (IS_ERR(fan_data->hwmon_dev)) + return PTR_ERR(fan_data->hwmon_dev); dev_info(&pdev->dev, "GPIO fan initialized\n"); return 0; - -err_remove: - sysfs_remove_group(&pdev->dev.kobj, &gpio_fan_group); - return err; } static int gpio_fan_remove(struct platform_device *pdev) @@ -564,7 +553,6 @@ static int gpio_fan_remove(struct platform_device *pdev) struct gpio_fan_data *fan_data = platform_get_drvdata(pdev); hwmon_device_unregister(fan_data->hwmon_dev); - sysfs_remove_group(&pdev->dev.kobj, &gpio_fan_group); return 0; } diff --git a/drivers/hwmon/hih6130.c b/drivers/hwmon/hih6130.c index 2dc37c7c694..7d68a08baaa 100644 --- a/drivers/hwmon/hih6130.c +++ b/drivers/hwmon/hih6130.c @@ -43,6 +43,7 @@ * @last_update: time of last update (jiffies) * @temperature: cached temperature measurement value * @humidity: cached humidity measurement value + * @write_length: length for I2C measurement request */ struct hih6130 { struct device *hwmon_dev; @@ -51,6 +52,7 @@ struct hih6130 { unsigned long last_update; int temperature; int humidity; + size_t write_length; }; /** @@ -121,8 +123,15 @@ static int hih6130_update_measurements(struct i2c_client *client) */ if (time_after(jiffies, hih6130->last_update + HZ) || !hih6130->valid) { - /* write to slave address, no data, to request a measurement */ - ret = i2c_master_send(client, tmp, 0); + /* + * Write to slave address to request a measurement. + * According with the datasheet it should be with no data, but + * for systems with I2C bus drivers that do not allow zero + * length packets we write one dummy byte to allow sensor + * measurements on them. + */ + tmp[0] = 0; + ret = i2c_master_send(client, tmp, hih6130->write_length); if (ret < 0) goto out; @@ -252,6 +261,9 @@ static int hih6130_probe(struct i2c_client *client, goto fail_remove_sysfs; } + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_QUICK)) + hih6130->write_length = 1; + return 0; fail_remove_sysfs: diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 646314f7c83..a26c385a435 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -15,45 +15,138 @@ #include <linux/module.h> #include <linux/device.h> #include <linux/err.h> +#include <linux/slab.h> #include <linux/kdev_t.h> #include <linux/idr.h> #include <linux/hwmon.h> #include <linux/gfp.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/string.h> #define HWMON_ID_PREFIX "hwmon" #define HWMON_ID_FORMAT HWMON_ID_PREFIX "%d" -static struct class *hwmon_class; +struct hwmon_device { + const char *name; + struct device dev; +}; +#define to_hwmon_device(d) container_of(d, struct hwmon_device, dev) + +static ssize_t +show_name(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%s\n", to_hwmon_device(dev)->name); +} +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +static struct attribute *hwmon_dev_attrs[] = { + &dev_attr_name.attr, + NULL +}; + +static umode_t hwmon_dev_name_is_visible(struct kobject *kobj, + struct attribute *attr, int n) +{ + struct device *dev = container_of(kobj, struct device, kobj); + + if (to_hwmon_device(dev)->name == NULL) + return 0; + + return attr->mode; +} + +static struct attribute_group hwmon_dev_attr_group = { + .attrs = hwmon_dev_attrs, + .is_visible = hwmon_dev_name_is_visible, +}; + +static const struct attribute_group *hwmon_dev_attr_groups[] = { + &hwmon_dev_attr_group, + NULL +}; + +static void hwmon_dev_release(struct device *dev) +{ + kfree(to_hwmon_device(dev)); +} + +static struct class hwmon_class = { + .name = "hwmon", + .owner = THIS_MODULE, + .dev_groups = hwmon_dev_attr_groups, + .dev_release = hwmon_dev_release, +}; static DEFINE_IDA(hwmon_ida); /** - * hwmon_device_register - register w/ hwmon - * @dev: the device to register + * hwmon_device_register_with_groups - register w/ hwmon + * @dev: the parent device + * @name: hwmon name attribute + * @drvdata: driver data to attach to created device + * @groups: List of attribute groups to create * * hwmon_device_unregister() must be called when the device is no * longer needed. * * Returns the pointer to the new device. */ -struct device *hwmon_device_register(struct device *dev) +struct device * +hwmon_device_register_with_groups(struct device *dev, const char *name, + void *drvdata, + const struct attribute_group **groups) { - struct device *hwdev; - int id; + struct hwmon_device *hwdev; + int err, id; + + /* Do not accept invalid characters in hwmon name attribute */ + if (name && (!strlen(name) || strpbrk(name, "-* \t\n"))) + return ERR_PTR(-EINVAL); id = ida_simple_get(&hwmon_ida, 0, 0, GFP_KERNEL); if (id < 0) return ERR_PTR(id); - hwdev = device_create(hwmon_class, dev, MKDEV(0, 0), NULL, - HWMON_ID_FORMAT, id); + hwdev = kzalloc(sizeof(*hwdev), GFP_KERNEL); + if (hwdev == NULL) { + err = -ENOMEM; + goto ida_remove; + } - if (IS_ERR(hwdev)) - ida_simple_remove(&hwmon_ida, id); + hwdev->name = name; + hwdev->dev.class = &hwmon_class; + hwdev->dev.parent = dev; + hwdev->dev.groups = groups; + hwdev->dev.of_node = dev ? dev->of_node : NULL; + dev_set_drvdata(&hwdev->dev, drvdata); + dev_set_name(&hwdev->dev, HWMON_ID_FORMAT, id); + err = device_register(&hwdev->dev); + if (err) + goto free; - return hwdev; + return &hwdev->dev; + +free: + kfree(hwdev); +ida_remove: + ida_simple_remove(&hwmon_ida, id); + return ERR_PTR(err); +} +EXPORT_SYMBOL_GPL(hwmon_device_register_with_groups); + +/** + * hwmon_device_register - register w/ hwmon + * @dev: the device to register + * + * hwmon_device_unregister() must be called when the device is no + * longer needed. + * + * Returns the pointer to the new device. + */ +struct device *hwmon_device_register(struct device *dev) +{ + return hwmon_device_register_with_groups(dev, NULL, NULL, NULL); } EXPORT_SYMBOL_GPL(hwmon_device_register); @@ -75,6 +168,69 @@ void hwmon_device_unregister(struct device *dev) } EXPORT_SYMBOL_GPL(hwmon_device_unregister); +static void devm_hwmon_release(struct device *dev, void *res) +{ + struct device *hwdev = *(struct device **)res; + + hwmon_device_unregister(hwdev); +} + +/** + * devm_hwmon_device_register_with_groups - register w/ hwmon + * @dev: the parent device + * @name: hwmon name attribute + * @drvdata: driver data to attach to created device + * @groups: List of attribute groups to create + * + * Returns the pointer to the new device. The new device is automatically + * unregistered with the parent device. + */ +struct device * +devm_hwmon_device_register_with_groups(struct device *dev, const char *name, + void *drvdata, + const struct attribute_group **groups) +{ + struct device **ptr, *hwdev; + + if (!dev) + return ERR_PTR(-EINVAL); + + ptr = devres_alloc(devm_hwmon_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + hwdev = hwmon_device_register_with_groups(dev, name, drvdata, groups); + if (IS_ERR(hwdev)) + goto error; + + *ptr = hwdev; + devres_add(dev, ptr); + return hwdev; + +error: + devres_free(ptr); + return hwdev; +} +EXPORT_SYMBOL_GPL(devm_hwmon_device_register_with_groups); + +static int devm_hwmon_match(struct device *dev, void *res, void *data) +{ + struct device **hwdev = res; + + return *hwdev == data; +} + +/** + * devm_hwmon_device_unregister - removes a previously registered hwmon device + * + * @dev: the parent device of the device to unregister + */ +void devm_hwmon_device_unregister(struct device *dev) +{ + WARN_ON(devres_release(dev, devm_hwmon_release, devm_hwmon_match, dev)); +} +EXPORT_SYMBOL_GPL(devm_hwmon_device_unregister); + static void __init hwmon_pci_quirks(void) { #if defined CONFIG_X86 && defined CONFIG_PCI @@ -105,19 +261,21 @@ static void __init hwmon_pci_quirks(void) static int __init hwmon_init(void) { + int err; + hwmon_pci_quirks(); - hwmon_class = class_create(THIS_MODULE, "hwmon"); - if (IS_ERR(hwmon_class)) { - pr_err("couldn't create sysfs class\n"); - return PTR_ERR(hwmon_class); + err = class_register(&hwmon_class); + if (err) { + pr_err("couldn't register hwmon sysfs class\n"); + return err; } return 0; } static void __exit hwmon_exit(void) { - class_destroy(hwmon_class); + class_unregister(&hwmon_class); } subsys_initcall(hwmon_init); diff --git a/drivers/hwmon/ibmpex.c b/drivers/hwmon/ibmpex.c index 20ab0fb8539..030e7ff589b 100644 --- a/drivers/hwmon/ibmpex.c +++ b/drivers/hwmon/ibmpex.c @@ -463,10 +463,8 @@ static void ibmpex_register_bmc(int iface, struct device *dev) int err; data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - dev_err(dev, "Insufficient memory for BMC interface.\n"); + if (!data) return; - } data->address.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; data->address.channel = IPMI_BMC_CHANNEL; diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c index 708081b68c6..14c82daab01 100644 --- a/drivers/hwmon/iio_hwmon.c +++ b/drivers/hwmon/iio_hwmon.c @@ -31,6 +31,7 @@ struct iio_hwmon_state { int num_channels; struct device *hwmon_dev; struct attribute_group attr_group; + const struct attribute_group *groups[2]; struct attribute **attrs; }; @@ -56,19 +57,6 @@ static ssize_t iio_hwmon_read_val(struct device *dev, return sprintf(buf, "%d\n", result); } -static ssize_t show_name(struct device *dev, struct device_attribute *attr, - char *buf) -{ - const char *name = "iio_hwmon"; - - if (dev->of_node && dev->of_node->name) - name = dev->of_node->name; - - return sprintf(buf, "%s\n", name); -} - -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - static int iio_hwmon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -78,6 +66,10 @@ static int iio_hwmon_probe(struct platform_device *pdev) int in_i = 1, temp_i = 1, curr_i = 1; enum iio_chan_type type; struct iio_channel *channels; + const char *name = "iio_hwmon"; + + if (dev->of_node && dev->of_node->name) + name = dev->of_node->name; channels = iio_channel_get_all(dev); if (IS_ERR(channels)) @@ -96,7 +88,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) st->num_channels++; st->attrs = devm_kzalloc(dev, - sizeof(*st->attrs) * (st->num_channels + 2), + sizeof(*st->attrs) * (st->num_channels + 1), GFP_KERNEL); if (st->attrs == NULL) { ret = -ENOMEM; @@ -144,22 +136,18 @@ static int iio_hwmon_probe(struct platform_device *pdev) a->index = i; st->attrs[i] = &a->dev_attr.attr; } - st->attrs[st->num_channels] = &dev_attr_name.attr; - st->attr_group.attrs = st->attrs; - platform_set_drvdata(pdev, st); - ret = sysfs_create_group(&dev->kobj, &st->attr_group); - if (ret < 0) - goto error_release_channels; - st->hwmon_dev = hwmon_device_register(dev); + st->attr_group.attrs = st->attrs; + st->groups[0] = &st->attr_group; + st->hwmon_dev = hwmon_device_register_with_groups(dev, name, st, + st->groups); if (IS_ERR(st->hwmon_dev)) { ret = PTR_ERR(st->hwmon_dev); - goto error_remove_group; + goto error_release_channels; } + platform_set_drvdata(pdev, st); return 0; -error_remove_group: - sysfs_remove_group(&dev->kobj, &st->attr_group); error_release_channels: iio_channel_release_all(channels); return ret; @@ -170,13 +158,12 @@ static int iio_hwmon_remove(struct platform_device *pdev) struct iio_hwmon_state *st = platform_get_drvdata(pdev); hwmon_device_unregister(st->hwmon_dev); - sysfs_remove_group(&pdev->dev.kobj, &st->attr_group); iio_channel_release_all(st->channels); return 0; } -static struct of_device_id iio_hwmon_of_match[] = { +static const struct of_device_id iio_hwmon_of_match[] = { { .compatible = "iio-hwmon", }, { } }; diff --git a/drivers/hwmon/ina209.c b/drivers/hwmon/ina209.c index c6fdd5bd395..5378fdefc1f 100644 --- a/drivers/hwmon/ina209.c +++ b/drivers/hwmon/ina209.c @@ -63,7 +63,7 @@ #define INA209_SHUNT_DEFAULT 10000 /* uOhm */ struct ina209_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -78,8 +78,8 @@ struct ina209_data { static struct ina209_data *ina209_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ina209_data *data = i2c_get_clientdata(client); + struct ina209_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct ina209_data *ret = data; s32 val; int i; @@ -234,7 +234,6 @@ static ssize_t ina209_set_interval(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); struct ina209_data *data = ina209_update_device(dev); long val; u16 regval; @@ -250,7 +249,8 @@ static ssize_t ina209_set_interval(struct device *dev, mutex_lock(&data->update_lock); regval = ina209_reg_from_interval(data->regs[INA209_CONFIGURATION], val); - i2c_smbus_write_word_swapped(client, INA209_CONFIGURATION, regval); + i2c_smbus_write_word_swapped(data->client, INA209_CONFIGURATION, + regval); data->regs[INA209_CONFIGURATION] = regval; data->update_interval = ina209_interval_from_reg(regval); mutex_unlock(&data->update_lock); @@ -260,8 +260,7 @@ static ssize_t ina209_set_interval(struct device *dev, static ssize_t ina209_show_interval(struct device *dev, struct device_attribute *da, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct ina209_data *data = i2c_get_clientdata(client); + struct ina209_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%d\n", data->update_interval); } @@ -285,9 +284,9 @@ static ssize_t ina209_reset_history(struct device *dev, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct ina209_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ina209_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; u32 mask = attr->index; long val; int i, ret; @@ -312,7 +311,6 @@ static ssize_t ina209_set_value(struct device *dev, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); struct ina209_data *data = ina209_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(da); int reg = attr->index; @@ -332,7 +330,7 @@ static ssize_t ina209_set_value(struct device *dev, count = ret; goto abort; } - i2c_smbus_write_word_swapped(client, reg, ret); + i2c_smbus_write_word_swapped(data->client, reg, ret); data->regs[reg] = ret; abort: mutex_unlock(&data->update_lock); @@ -457,7 +455,7 @@ static SENSOR_DEVICE_ATTR(update_interval, S_IRUGO | S_IWUSR, * Finally, construct an array of pointers to members of the above objects, * as required for sysfs_create_group() */ -static struct attribute *ina209_attributes[] = { +static struct attribute *ina209_attrs[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_input_highest.dev_attr.attr, &sensor_dev_attr_in0_input_lowest.dev_attr.attr, @@ -498,10 +496,7 @@ static struct attribute *ina209_attributes[] = { NULL, }; - -static const struct attribute_group ina209_group = { - .attrs = ina209_attributes, -}; +ATTRIBUTE_GROUPS(ina209); static void ina209_restore_conf(struct i2c_client *client, struct ina209_data *data) @@ -565,6 +560,7 @@ static int ina209_probe(struct i2c_client *client, { struct i2c_adapter *adapter = client->adapter; struct ina209_data *data; + struct device *hwmon_dev; int ret; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) @@ -575,27 +571,23 @@ static int ina209_probe(struct i2c_client *client, return -ENOMEM; i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); ret = ina209_init_client(client, data); if (ret) return ret; - /* Register sysfs hooks */ - ret = sysfs_create_group(&client->dev.kobj, &ina209_group); - if (ret) + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, + data, ina209_groups); + if (IS_ERR(hwmon_dev)) { + ret = PTR_ERR(hwmon_dev); goto out_restore_conf; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_hwmon_device_register; } return 0; -out_hwmon_device_register: - sysfs_remove_group(&client->dev.kobj, &ina209_group); out_restore_conf: ina209_restore_conf(client, data); return ret; @@ -605,8 +597,6 @@ static int ina209_remove(struct i2c_client *client) { struct ina209_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &ina209_group); ina209_restore_conf(client, data); return 0; diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 70a39a8ac01..bfd3f3eeabc 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -78,7 +78,7 @@ struct ina2xx_config { }; struct ina2xx_data { - struct device *hwmon_dev; + struct i2c_client *client; const struct ina2xx_config *config; struct mutex update_lock; @@ -112,8 +112,8 @@ static const struct ina2xx_config ina2xx_config[] = { static struct ina2xx_data *ina2xx_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ina2xx_data *data = i2c_get_clientdata(client); + struct ina2xx_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct ina2xx_data *ret = data; mutex_lock(&data->update_lock); @@ -148,7 +148,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) switch (reg) { case INA2XX_SHUNT_VOLTAGE: - val = DIV_ROUND_CLOSEST(data->regs[reg], + /* signed register */ + val = DIV_ROUND_CLOSEST((s16)data->regs[reg], data->config->shunt_div); break; case INA2XX_BUS_VOLTAGE: @@ -160,8 +161,8 @@ static int ina2xx_get_value(struct ina2xx_data *data, u8 reg) val = data->regs[reg] * data->config->power_lsb; break; case INA2XX_CURRENT: - /* LSB=1mA (selected). Is in mA */ - val = data->regs[reg]; + /* signed register, LSB=1mA (selected), in mA */ + val = (s16)data->regs[reg]; break; default: /* programmer goofed */ @@ -203,41 +204,39 @@ static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ina2xx_show_value, NULL, INA2XX_POWER); /* pointers to created device attributes */ -static struct attribute *ina2xx_attributes[] = { +static struct attribute *ina2xx_attrs[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_curr1_input.dev_attr.attr, &sensor_dev_attr_power1_input.dev_attr.attr, NULL, }; - -static const struct attribute_group ina2xx_group = { - .attrs = ina2xx_attributes, -}; +ATTRIBUTE_GROUPS(ina2xx); static int ina2xx_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; - struct ina2xx_data *data; struct ina2xx_platform_data *pdata; - int ret; - u32 val; + struct device *dev = &client->dev; + struct ina2xx_data *data; + struct device *hwmon_dev; long shunt = 10000; /* default shunt value 10mOhms */ + u32 val; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; - data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - if (dev_get_platdata(&client->dev)) { - pdata = dev_get_platdata(&client->dev); + if (dev_get_platdata(dev)) { + pdata = dev_get_platdata(dev); shunt = pdata->shunt_uohms; - } else if (!of_property_read_u32(client->dev.of_node, - "shunt-resistor", &val)) { - shunt = val; + } else if (!of_property_read_u32(dev->of_node, + "shunt-resistor", &val)) { + shunt = val; } if (shunt <= 0) @@ -255,37 +254,18 @@ static int ina2xx_probe(struct i2c_client *client, i2c_smbus_write_word_swapped(client, INA2XX_CALIBRATION, data->config->calibration_factor / shunt); - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); - ret = sysfs_create_group(&client->dev.kobj, &ina2xx_group); - if (ret) - return ret; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_err_hwmon; - } + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, ina2xx_groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); - dev_info(&client->dev, "power monitor %s (Rshunt = %li uOhm)\n", + dev_info(dev, "power monitor %s (Rshunt = %li uOhm)\n", id->name, shunt); return 0; - -out_err_hwmon: - sysfs_remove_group(&client->dev.kobj, &ina2xx_group); - return ret; -} - -static int ina2xx_remove(struct i2c_client *client) -{ - struct ina2xx_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &ina2xx_group); - - return 0; } static const struct i2c_device_id ina2xx_id[] = { @@ -302,7 +282,6 @@ static struct i2c_driver ina2xx_driver = { .name = "ina2xx", }, .probe = ina2xx_probe, - .remove = ina2xx_remove, .id_table = ina2xx_id, }; diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 29ffa27c60b..a327fd3402a 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -10,7 +10,9 @@ * This driver supports only the Environment Controller in the IT8705F and * similar parts. The other devices are supported by different drivers. * - * Supports: IT8705F Super I/O chip w/LPC interface + * Supports: IT8603E Super I/O chip w/LPC interface + * IT8623E Super I/O chip w/LPC interface + * IT8705F Super I/O chip w/LPC interface * IT8712F Super I/O chip w/LPC interface * IT8716F Super I/O chip w/LPC interface * IT8718F Super I/O chip w/LPC interface @@ -26,7 +28,7 @@ * Sis950 A clone of the IT8705F * * Copyright (C) 2001 Chris Gauthron - * Copyright (C) 2005-2010 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2010 Jean Delvare <jdelvare@suse.de> * * 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 @@ -64,7 +66,7 @@ #define DRVNAME "it87" enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771, - it8772, it8782, it8783 }; + it8772, it8782, it8783, it8603 }; static unsigned short force_id; module_param(force_id, ushort, 0); @@ -146,6 +148,8 @@ static inline void superio_exit(void) #define IT8772E_DEVID 0x8772 #define IT8782F_DEVID 0x8782 #define IT8783E_DEVID 0x8783 +#define IT8603E_DEVID 0x8603 +#define IT8623E_DEVID 0x8623 #define IT87_ACT_REG 0x30 #define IT87_BASE_REG 0x60 @@ -315,6 +319,12 @@ static const struct it87_devices it87_devices[] = { | FEAT_TEMP_OLD_PECI, .old_peci_mask = 0x4, }, + [it8603] = { + .name = "it8603", + .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS + | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI, + .peci_mask = 0x07, + }, }; #define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS) @@ -361,7 +371,7 @@ struct it87_data { unsigned long last_updated; /* In jiffies */ u16 in_scaled; /* Internal voltage sensors are scaled */ - u8 in[9][3]; /* [nr][0]=in, [1]=min, [2]=max */ + u8 in[10][3]; /* [nr][0]=in, [1]=min, [2]=max */ u8 has_fan; /* Bitfield, fans enabled */ u16 fan[5][2]; /* Register values, [nr][0]=fan, [1]=min */ u8 has_temp; /* Bitfield, temp sensors enabled */ @@ -578,6 +588,7 @@ static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in, 7, 2); static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0); +static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0); /* 3 temperatures */ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, @@ -734,7 +745,7 @@ static int pwm_mode(const struct it87_data *data, int nr) { int ctrl = data->fan_main_ctrl & (1 << nr); - if (ctrl == 0) /* Full speed */ + if (ctrl == 0 && data->type != it8603) /* Full speed */ return 0; if (data->pwm_ctrl[nr] & 0x80) /* Automatic mode */ return 2; @@ -929,6 +940,10 @@ static ssize_t set_pwm_enable(struct device *dev, return -EINVAL; } + /* IT8603E does not have on/off mode */ + if (val == 0 && data->type == it8603) + return -EINVAL; + mutex_lock(&data->update_lock); if (val == 0) { @@ -948,10 +963,13 @@ static ssize_t set_pwm_enable(struct device *dev, else /* Automatic mode */ data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr]; it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]); - /* set SmartGuardian mode */ - data->fan_main_ctrl |= (1 << nr); - it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, - data->fan_main_ctrl); + + if (data->type != it8603) { + /* set SmartGuardian mode */ + data->fan_main_ctrl |= (1 << nr); + it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, + data->fan_main_ctrl); + } } mutex_unlock(&data->update_lock); @@ -1415,6 +1433,8 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr, static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0); static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1); static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2); +/* special AVCC3 IT8603E in9 */ +static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 0); static ssize_t show_name(struct device *dev, struct device_attribute *devattr, char *buf) @@ -1424,7 +1444,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute } static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static struct attribute *it87_attributes_in[9][5] = { +static struct attribute *it87_attributes_in[10][5] = { { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_min.dev_attr.attr, @@ -1476,9 +1496,12 @@ static struct attribute *it87_attributes_in[9][5] = { }, { &sensor_dev_attr_in8_input.dev_attr.attr, NULL +}, { + &sensor_dev_attr_in9_input.dev_attr.attr, + NULL } }; -static const struct attribute_group it87_group_in[9] = { +static const struct attribute_group it87_group_in[10] = { { .attrs = it87_attributes_in[0] }, { .attrs = it87_attributes_in[1] }, { .attrs = it87_attributes_in[2] }, @@ -1488,6 +1511,7 @@ static const struct attribute_group it87_group_in[9] = { { .attrs = it87_attributes_in[6] }, { .attrs = it87_attributes_in[7] }, { .attrs = it87_attributes_in[8] }, + { .attrs = it87_attributes_in[9] }, }; static struct attribute *it87_attributes_temp[3][6] = { @@ -1546,7 +1570,8 @@ static struct attribute *it87_attributes_in_beep[] = { &sensor_dev_attr_in5_beep.dev_attr.attr, &sensor_dev_attr_in6_beep.dev_attr.attr, &sensor_dev_attr_in7_beep.dev_attr.attr, - NULL + NULL, + NULL, }; static struct attribute *it87_attributes_temp_beep[] = { @@ -1685,6 +1710,7 @@ static struct attribute *it87_attributes_label[] = { &sensor_dev_attr_in3_label.dev_attr.attr, &sensor_dev_attr_in7_label.dev_attr.attr, &sensor_dev_attr_in8_label.dev_attr.attr, + &sensor_dev_attr_in9_label.dev_attr.attr, NULL }; @@ -1742,6 +1768,10 @@ static int __init it87_find(unsigned short *address, case IT8783E_DEVID: sio_data->type = it8783; break; + case IT8603E_DEVID: + case IT8623E_DEVID: + sio_data->type = it8603; + break; case 0xffff: /* No device at all */ goto exit; default: @@ -1763,11 +1793,16 @@ static int __init it87_find(unsigned short *address, err = 0; sio_data->revision = superio_inb(DEVREV) & 0x0f; - pr_info("Found IT%04xF chip at 0x%x, revision %d\n", - chip_type, *address, sio_data->revision); + pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type, + chip_type == 0x8771 || chip_type == 0x8772 || + chip_type == 0x8603 ? 'E' : 'F', *address, + sio_data->revision); /* in8 (Vbat) is always internal */ sio_data->internal = (1 << 2); + /* Only the IT8603E has in9 */ + if (sio_data->type != it8603) + sio_data->skip_in |= (1 << 9); /* Read GPIO config and VID value from LDN 7 (GPIO) */ if (sio_data->type == it87) { @@ -1844,7 +1879,38 @@ static int __init it87_find(unsigned short *address, sio_data->internal |= (1 << 1); sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f; + } else if (sio_data->type == it8603) { + int reg27, reg29; + + sio_data->skip_vid = 1; /* No VID */ + superio_select(GPIO); + reg27 = superio_inb(IT87_SIO_GPIO3_REG); + + /* Check if fan3 is there or not */ + if (reg27 & (1 << 6)) + sio_data->skip_pwm |= (1 << 2); + if (reg27 & (1 << 7)) + sio_data->skip_fan |= (1 << 2); + + /* Check if fan2 is there or not */ + reg29 = superio_inb(IT87_SIO_GPIO5_REG); + if (reg29 & (1 << 1)) + sio_data->skip_pwm |= (1 << 1); + if (reg29 & (1 << 2)) + sio_data->skip_fan |= (1 << 1); + + sio_data->skip_in |= (1 << 5); /* No VIN5 */ + sio_data->skip_in |= (1 << 6); /* No VIN6 */ + + /* no fan4 */ + sio_data->skip_pwm |= (1 << 3); + sio_data->skip_fan |= (1 << 3); + + sio_data->internal |= (1 << 1); /* in7 is VSB */ + sio_data->internal |= (1 << 3); /* in9 is AVCC */ + + sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f; } else { int reg; bool uart6; @@ -1966,7 +2032,7 @@ static void it87_remove_files(struct device *dev) int i; sysfs_remove_group(&dev->kobj, &it87_group); - for (i = 0; i < 9; i++) { + for (i = 0; i < 10; i++) { if (sio_data->skip_in & (1 << i)) continue; sysfs_remove_group(&dev->kobj, &it87_group_in[i]); @@ -2080,6 +2146,8 @@ static int it87_probe(struct platform_device *pdev) data->in_scaled |= (1 << 7); /* in7 is VSB */ if (sio_data->internal & (1 << 2)) data->in_scaled |= (1 << 8); /* in8 is Vbat */ + if (sio_data->internal & (1 << 3)) + data->in_scaled |= (1 << 9); /* in9 is AVCC */ } else if (sio_data->type == it8782 || sio_data->type == it8783) { if (sio_data->internal & (1 << 0)) data->in_scaled |= (1 << 3); /* in3 is VCC5V */ @@ -2102,7 +2170,7 @@ static int it87_probe(struct platform_device *pdev) if (err) return err; - for (i = 0; i < 9; i++) { + for (i = 0; i < 10; i++) { if (sio_data->skip_in & (1 << i)) continue; err = sysfs_create_group(&dev->kobj, &it87_group_in[i]); @@ -2202,7 +2270,7 @@ static int it87_probe(struct platform_device *pdev) } /* Export labels for internal sensors */ - for (i = 0; i < 3; i++) { + for (i = 0; i < 4; i++) { if (!(sio_data->internal & (1 << i))) continue; err = sysfs_create_file(&dev->kobj, @@ -2383,8 +2451,9 @@ static void it87_init_device(struct platform_device *pdev) } data->has_fan = (data->fan_main_ctrl >> 4) & 0x07; - /* Set tachometers to 16-bit mode if needed */ - if (has_16bit_fans(data)) { + /* Set tachometers to 16-bit mode if needed, IT8603E (and IT8728F?) + * has it by default */ + if (has_16bit_fans(data) && data->type != it8603) { tmp = it87_read_value(data, IT87_REG_FAN_16BIT); if (~tmp & 0x07 & data->has_fan) { dev_dbg(&pdev->dev, @@ -2464,6 +2533,8 @@ static struct it87_data *it87_update_device(struct device *dev) } /* in8 (battery) has no limit registers */ data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8)); + if (data->type == it8603) + data->in[9][0] = it87_read_value(data, 0x2f); for (i = 0; i < 5; i++) { /* Skip disabled fans */ @@ -2620,7 +2691,7 @@ static void __exit sm_it87_exit(void) } -MODULE_AUTHOR("Chris Gauthron, Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver"); module_param(update_vbat, bool, 0); MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value"); diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 4a58f130fd4..388f8bcd898 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -65,6 +65,7 @@ static const unsigned short normal_i2c[] = { /* Manufacturer IDs */ #define ADT_MANID 0x11d4 /* Analog Devices */ #define ATMEL_MANID 0x001f /* Atmel */ +#define ATMEL_MANID2 0x1114 /* Atmel */ #define MAX_MANID 0x004d /* Maxim */ #define IDT_MANID 0x00b3 /* IDT */ #define MCP_MANID 0x0054 /* Microchip */ @@ -82,6 +83,9 @@ static const unsigned short normal_i2c[] = { #define AT30TS00_DEVID 0x8201 #define AT30TS00_DEVID_MASK 0xffff +#define AT30TSE004_DEVID 0x2200 +#define AT30TSE004_DEVID_MASK 0xffff + /* IDT */ #define TS3000B3_DEVID 0x2903 /* Also matches TSE2002B3 */ #define TS3000B3_DEVID_MASK 0xffff @@ -130,6 +134,9 @@ static const unsigned short normal_i2c[] = { #define STTS2002_DEVID 0x0300 #define STTS2002_DEVID_MASK 0xffff +#define STTS2004_DEVID 0x2201 +#define STTS2004_DEVID_MASK 0xffff + #define STTS3000_DEVID 0x0200 #define STTS3000_DEVID_MASK 0xffff @@ -144,6 +151,7 @@ struct jc42_chips { static struct jc42_chips jc42_chips[] = { { ADT_MANID, ADT7408_DEVID, ADT7408_DEVID_MASK }, { ATMEL_MANID, AT30TS00_DEVID, AT30TS00_DEVID_MASK }, + { ATMEL_MANID2, AT30TSE004_DEVID, AT30TSE004_DEVID_MASK }, { IDT_MANID, TS3000B3_DEVID, TS3000B3_DEVID_MASK }, { IDT_MANID, TS3000GB2_DEVID, TS3000GB2_DEVID_MASK }, { MAX_MANID, MAX6604_DEVID, MAX6604_DEVID_MASK }, @@ -158,81 +166,35 @@ static struct jc42_chips jc42_chips[] = { { STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK }, { STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK }, { STM_MANID, STTS2002_DEVID, STTS2002_DEVID_MASK }, + { STM_MANID, STTS2004_DEVID, STTS2004_DEVID_MASK }, { STM_MANID, STTS3000_DEVID, STTS3000_DEVID_MASK }, }; +enum temp_index { + t_input = 0, + t_crit, + t_min, + t_max, + t_num_temp +}; + +static const u8 temp_regs[t_num_temp] = { + [t_input] = JC42_REG_TEMP, + [t_crit] = JC42_REG_TEMP_CRITICAL, + [t_min] = JC42_REG_TEMP_LOWER, + [t_max] = JC42_REG_TEMP_UPPER, +}; + /* Each client has this additional data */ struct jc42_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; /* protect register access */ bool extended; /* true if extended range supported */ bool valid; unsigned long last_updated; /* In jiffies */ u16 orig_config; /* original configuration */ u16 config; /* current configuration */ - u16 temp_input; /* Temperatures */ - u16 temp_crit; - u16 temp_min; - u16 temp_max; -}; - -static int jc42_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info); -static int jc42_remove(struct i2c_client *client); - -static struct jc42_data *jc42_update_device(struct device *dev); - -static const struct i2c_device_id jc42_id[] = { - { "jc42", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, jc42_id); - -#ifdef CONFIG_PM - -static int jc42_suspend(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); - - data->config |= JC42_CFG_SHUTDOWN; - i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config); - return 0; -} - -static int jc42_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); - - data->config &= ~JC42_CFG_SHUTDOWN; - i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, data->config); - return 0; -} - -static const struct dev_pm_ops jc42_dev_pm_ops = { - .suspend = jc42_suspend, - .resume = jc42_resume, -}; - -#define JC42_DEV_PM_OPS (&jc42_dev_pm_ops) -#else -#define JC42_DEV_PM_OPS NULL -#endif /* CONFIG_PM */ - -/* This is the driver that will be inserted */ -static struct i2c_driver jc42_driver = { - .class = I2C_CLASS_SPD, - .driver = { - .name = "jc42", - .pm = JC42_DEV_PM_OPS, - }, - .probe = jc42_probe, - .remove = jc42_remove, - .id_table = jc42_id, - .detect = jc42_detect, - .address_list = normal_i2c, + u16 temp[t_num_temp];/* Temperatures */ }; #define JC42_TEMP_MIN_EXTENDED (-40000) @@ -261,80 +223,81 @@ static int jc42_temp_from_reg(s16 reg) return reg * 125 / 2; } -/* sysfs stuff */ - -/* read routines for temperature limits */ -#define show(value) \ -static ssize_t show_##value(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - struct jc42_data *data = jc42_update_device(dev); \ - if (IS_ERR(data)) \ - return PTR_ERR(data); \ - return sprintf(buf, "%d\n", jc42_temp_from_reg(data->value)); \ +static struct jc42_data *jc42_update_device(struct device *dev) +{ + struct jc42_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + struct jc42_data *ret = data; + int i, val; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { + for (i = 0; i < t_num_temp; i++) { + val = i2c_smbus_read_word_swapped(client, temp_regs[i]); + if (val < 0) { + ret = ERR_PTR(val); + goto abort; + } + data->temp[i] = val; + } + data->last_updated = jiffies; + data->valid = true; + } +abort: + mutex_unlock(&data->update_lock); + return ret; } -show(temp_input); -show(temp_crit); -show(temp_min); -show(temp_max); +/* sysfs functions */ -/* read routines for hysteresis values */ -static ssize_t show_temp_crit_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct jc42_data *data = jc42_update_device(dev); - int temp, hyst; - if (IS_ERR(data)) return PTR_ERR(data); - - temp = jc42_temp_from_reg(data->temp_crit); - hyst = jc42_hysteresis[(data->config & JC42_CFG_HYST_MASK) - >> JC42_CFG_HYST_SHIFT]; - return sprintf(buf, "%d\n", temp - hyst); + return sprintf(buf, "%d\n", + jc42_temp_from_reg(data->temp[attr->index])); } -static ssize_t show_temp_max_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_temp_hyst(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct jc42_data *data = jc42_update_device(dev); int temp, hyst; if (IS_ERR(data)) return PTR_ERR(data); - temp = jc42_temp_from_reg(data->temp_max); + temp = jc42_temp_from_reg(data->temp[attr->index]); hyst = jc42_hysteresis[(data->config & JC42_CFG_HYST_MASK) >> JC42_CFG_HYST_SHIFT]; return sprintf(buf, "%d\n", temp - hyst); } -/* write routines */ -#define set(value, reg) \ -static ssize_t set_##value(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct jc42_data *data = i2c_get_clientdata(client); \ - int err, ret = count; \ - long val; \ - if (kstrtol(buf, 10, &val) < 0) \ - return -EINVAL; \ - mutex_lock(&data->update_lock); \ - data->value = jc42_temp_to_reg(val, data->extended); \ - err = i2c_smbus_write_word_swapped(client, reg, data->value); \ - if (err < 0) \ - ret = err; \ - mutex_unlock(&data->update_lock); \ - return ret; \ -} +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct jc42_data *data = dev_get_drvdata(dev); + int err, ret = count; + int nr = attr->index; + long val; -set(temp_min, JC42_REG_TEMP_LOWER); -set(temp_max, JC42_REG_TEMP_UPPER); -set(temp_crit, JC42_REG_TEMP_CRITICAL); + if (kstrtol(buf, 10, &val) < 0) + return -EINVAL; + mutex_lock(&data->update_lock); + data->temp[nr] = jc42_temp_to_reg(val, data->extended); + err = i2c_smbus_write_word_swapped(data->client, temp_regs[nr], + data->temp[nr]); + if (err < 0) + ret = err; + mutex_unlock(&data->update_lock); + return ret; +} /* * JC42.4 compliant chips only support four hysteresis values. @@ -344,8 +307,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); unsigned long val; int diff, hyst; int err; @@ -354,7 +316,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, if (kstrtoul(buf, 10, &val) < 0) return -EINVAL; - diff = jc42_temp_from_reg(data->temp_crit) - val; + diff = jc42_temp_from_reg(data->temp[t_crit]) - val; hyst = 0; if (diff > 0) { if (diff < 2250) @@ -368,7 +330,7 @@ static ssize_t set_temp_crit_hyst(struct device *dev, mutex_lock(&data->update_lock); data->config = (data->config & ~JC42_CFG_HYST_MASK) | (hyst << JC42_CFG_HYST_SHIFT); - err = i2c_smbus_write_word_swapped(client, JC42_REG_CONFIG, + err = i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, data->config); if (err < 0) ret = err; @@ -386,25 +348,20 @@ static ssize_t show_alarm(struct device *dev, if (IS_ERR(data)) return PTR_ERR(data); - val = data->temp_input; + val = data->temp[t_input]; if (bit != JC42_ALARM_CRIT_BIT && (data->config & JC42_CFG_CRIT_ONLY)) val = 0; return sprintf(buf, "%u\n", (val >> bit) & 1); } -static DEVICE_ATTR(temp1_input, S_IRUGO, - show_temp_input, NULL); -static DEVICE_ATTR(temp1_crit, S_IRUGO, - show_temp_crit, set_temp_crit); -static DEVICE_ATTR(temp1_min, S_IRUGO, - show_temp_min, set_temp_min); -static DEVICE_ATTR(temp1_max, S_IRUGO, - show_temp_max, set_temp_max); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp, set_temp, t_crit); +static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO, show_temp, set_temp, t_min); +static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, set_temp, t_max); -static DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, - show_temp_crit_hyst, set_temp_crit_hyst); -static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, - show_temp_max_hyst, NULL); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_hyst, + set_temp_crit_hyst, t_crit); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_hyst, NULL, t_max); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, JC42_ALARM_CRIT_BIT); @@ -414,12 +371,12 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, JC42_ALARM_MAX_BIT); static struct attribute *jc42_attributes[] = { - &dev_attr_temp1_input.attr, - &dev_attr_temp1_crit.attr, - &dev_attr_temp1_min.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp1_crit_hyst.attr, - &dev_attr_temp1_max_hyst.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, @@ -430,17 +387,16 @@ static umode_t jc42_attribute_mode(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); + struct jc42_data *data = dev_get_drvdata(dev); unsigned int config = data->config; bool readonly; - if (attr == &dev_attr_temp1_crit.attr) + if (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr) readonly = config & JC42_CFG_TCRIT_LOCK; - else if (attr == &dev_attr_temp1_min.attr || - attr == &dev_attr_temp1_max.attr) + else if (attr == &sensor_dev_attr_temp1_min.dev_attr.attr || + attr == &sensor_dev_attr_temp1_max.dev_attr.attr) readonly = config & JC42_CFG_EVENT_LOCK; - else if (attr == &dev_attr_temp1_crit_hyst.attr) + else if (attr == &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr) readonly = config & (JC42_CFG_EVENT_LOCK | JC42_CFG_TCRIT_LOCK); else readonly = true; @@ -452,6 +408,7 @@ static const struct attribute_group jc42_group = { .attrs = jc42_attributes, .is_visible = jc42_attribute_mode, }; +__ATTRIBUTE_GROUPS(jc42); /* Return 0 if detection is successful, -ENODEV otherwise */ static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info) @@ -487,14 +444,16 @@ static int jc42_detect(struct i2c_client *client, struct i2c_board_info *info) static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct jc42_data *data; - int config, cap, err; struct device *dev = &client->dev; + struct device *hwmon_dev; + struct jc42_data *data; + int config, cap; data = devm_kzalloc(dev, sizeof(struct jc42_data), GFP_KERNEL); if (!data) return -ENOMEM; + data->client = client; i2c_set_clientdata(client, data); mutex_init(&data->update_lock); @@ -515,29 +474,15 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id) } data->config = config; - /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &jc42_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 exit_remove; - } - - return 0; - -exit_remove: - sysfs_remove_group(&dev->kobj, &jc42_group); - return err; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + jc42_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static int jc42_remove(struct i2c_client *client) { struct jc42_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &jc42_group); /* Restore original configuration except hysteresis */ if ((data->config & ~JC42_CFG_HYST_MASK) != @@ -551,52 +496,56 @@ static int jc42_remove(struct i2c_client *client) return 0; } -static struct jc42_data *jc42_update_device(struct device *dev) +#ifdef CONFIG_PM + +static int jc42_suspend(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct jc42_data *data = i2c_get_clientdata(client); - struct jc42_data *ret = data; - int val; + struct jc42_data *data = dev_get_drvdata(dev); - mutex_lock(&data->update_lock); + data->config |= JC42_CFG_SHUTDOWN; + i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, + data->config); + return 0; +} - if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP); - if (val < 0) { - ret = ERR_PTR(val); - goto abort; - } - data->temp_input = val; +static int jc42_resume(struct device *dev) +{ + struct jc42_data *data = dev_get_drvdata(dev); - val = i2c_smbus_read_word_swapped(client, - JC42_REG_TEMP_CRITICAL); - if (val < 0) { - ret = ERR_PTR(val); - goto abort; - } - data->temp_crit = val; + data->config &= ~JC42_CFG_SHUTDOWN; + i2c_smbus_write_word_swapped(data->client, JC42_REG_CONFIG, + data->config); + return 0; +} - val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP_LOWER); - if (val < 0) { - ret = ERR_PTR(val); - goto abort; - } - data->temp_min = val; +static const struct dev_pm_ops jc42_dev_pm_ops = { + .suspend = jc42_suspend, + .resume = jc42_resume, +}; - val = i2c_smbus_read_word_swapped(client, JC42_REG_TEMP_UPPER); - if (val < 0) { - ret = ERR_PTR(val); - goto abort; - } - data->temp_max = val; +#define JC42_DEV_PM_OPS (&jc42_dev_pm_ops) +#else +#define JC42_DEV_PM_OPS NULL +#endif /* CONFIG_PM */ - data->last_updated = jiffies; - data->valid = true; - } -abort: - mutex_unlock(&data->update_lock); - return ret; -} +static const struct i2c_device_id jc42_id[] = { + { "jc42", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, jc42_id); + +static struct i2c_driver jc42_driver = { + .class = I2C_CLASS_SPD, + .driver = { + .name = "jc42", + .pm = JC42_DEV_PM_OPS, + }, + .probe = jc42_probe, + .remove = jc42_remove, + .id_table = jc42_id, + .detect = jc42_detect, + .address_list = normal_i2c, +}; module_i2c_driver(jc42_driver); diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c index e0d66b9590a..7488e36809c 100644 --- a/drivers/hwmon/jz4740-hwmon.c +++ b/drivers/hwmon/jz4740-hwmon.c @@ -28,7 +28,6 @@ #include <linux/hwmon.h> struct jz4740_hwmon { - struct resource *mem; void __iomem *base; int irq; @@ -66,7 +65,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev, mutex_lock(&hwmon->lock); - INIT_COMPLETION(*completion); + reinit_completion(completion); enable_irq(hwmon->irq); hwmon->cell->enable(to_platform_device(dev)); @@ -106,6 +105,7 @@ static int jz4740_hwmon_probe(struct platform_device *pdev) { int ret; struct jz4740_hwmon *hwmon; + struct resource *mem; hwmon = devm_kzalloc(&pdev->dev, sizeof(*hwmon), GFP_KERNEL); if (!hwmon) @@ -120,25 +120,10 @@ static int jz4740_hwmon_probe(struct platform_device *pdev) return hwmon->irq; } - hwmon->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!hwmon->mem) { - dev_err(&pdev->dev, "Failed to get platform mmio resource\n"); - return -ENOENT; - } - - hwmon->mem = devm_request_mem_region(&pdev->dev, hwmon->mem->start, - resource_size(hwmon->mem), pdev->name); - if (!hwmon->mem) { - dev_err(&pdev->dev, "Failed to request mmio memory region\n"); - return -EBUSY; - } - - hwmon->base = devm_ioremap_nocache(&pdev->dev, hwmon->mem->start, - resource_size(hwmon->mem)); - if (!hwmon->base) { - dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); - return -EBUSY; - } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + hwmon->base = devm_ioremap_resource(&pdev->dev, mem); + if (IS_ERR(hwmon->base)) + return PTR_ERR(hwmon->base); init_completion(&hwmon->read_completion); mutex_init(&hwmon->lock); diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index d65f3fd895d..f7b46f68ef4 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -204,13 +204,15 @@ static void k10temp_remove(struct pci_dev *pdev) &sensor_dev_attr_temp1_crit_hyst.dev_attr); } -static DEFINE_PCI_DEVICE_TABLE(k10temp_id_table) = { +static const struct pci_device_id k10temp_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_10H_NB_MISC) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_11H_NB_MISC) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CNB17H_F3) }, { 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_16H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, {} }; MODULE_DEVICE_TABLE(pci, k10temp_id_table); diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c index 5b50e9e4f96..734d55d48cc 100644 --- a/drivers/hwmon/k8temp.c +++ b/drivers/hwmon/k8temp.c @@ -135,7 +135,7 @@ static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 1, 0); static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 1, 1); static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); -static DEFINE_PCI_DEVICE_TABLE(k8temp_ids) = { +static const struct pci_device_id k8temp_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_K8_NB_MISC) }, { 0 }, }; diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index d0def50ea86..848b9611151 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -1,7 +1,7 @@ /* * lm63.c - driver for the National Semiconductor LM63 temperature sensor * with integrated fan control - * Copyright (C) 2004-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004-2008 Jean Delvare <jdelvare@suse.de> * Based on the lm90 driver. * * The LM63 is a sensor chip made by National Semiconductor. It measures @@ -155,8 +155,9 @@ enum chips { lm63, lm64, lm96163 }; */ struct lm63_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; + const struct attribute_group *groups[5]; char valid; /* zero until following fields are valid */ char lut_valid; /* zero until lut fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -218,9 +219,9 @@ static inline int lut_temp_to_reg(struct lm63_data *data, long val) * Update the lookup table register cache. * client->update_lock must be held when calling this function. */ -static void lm63_update_lut(struct i2c_client *client) +static void lm63_update_lut(struct lm63_data *data) { - struct lm63_data *data = i2c_get_clientdata(client); + struct i2c_client *client = data->client; int i; if (time_after(jiffies, data->lut_last_updated + 5 * HZ) || @@ -241,8 +242,8 @@ static void lm63_update_lut(struct i2c_client *client) static struct lm63_data *lm63_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long next_update; mutex_lock(&data->update_lock); @@ -310,7 +311,7 @@ static struct lm63_data *lm63_update_device(struct device *dev) data->valid = 1; } - lm63_update_lut(client); + lm63_update_lut(data); mutex_unlock(&data->update_lock); @@ -321,18 +322,17 @@ static struct lm63_data *lm63_update_device(struct device *dev) * Trip points in the lookup table should be in ascending order for both * temperatures and PWM output values. */ -static int lm63_lut_looks_bad(struct i2c_client *client) +static int lm63_lut_looks_bad(struct device *dev, struct lm63_data *data) { - struct lm63_data *data = i2c_get_clientdata(client); int i; mutex_lock(&data->update_lock); - lm63_update_lut(client); + lm63_update_lut(data); for (i = 1; i < data->lut_size; i++) { if (data->pwm1[1 + i - 1] > data->pwm1[1 + i] || data->temp8[3 + i - 1] > data->temp8[3 + i]) { - dev_warn(&client->dev, + dev_warn(dev, "Lookup table doesn't look sane (check entries %d and %d)\n", i, i + 1); break; @@ -358,8 +358,8 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, static ssize_t set_fan(struct device *dev, struct device_attribute *dummy, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err; @@ -399,8 +399,8 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int nr = attr->index; unsigned long val; int err; @@ -435,8 +435,8 @@ static ssize_t set_pwm1_enable(struct device *dev, struct device_attribute *dummy, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err; @@ -450,7 +450,7 @@ static ssize_t set_pwm1_enable(struct device *dev, * Only let the user switch to automatic mode if the lookup table * looks sane. */ - if (val == 2 && lm63_lut_looks_bad(client)) + if (val == 2 && lm63_lut_looks_bad(dev, data)) return -EPERM; mutex_lock(&data->update_lock); @@ -461,7 +461,7 @@ static ssize_t set_pwm1_enable(struct device *dev, else data->config_fan &= ~0x20; i2c_smbus_write_byte_data(client, LM63_REG_CONFIG_FAN, - data->config_fan); + data->config_fan); mutex_unlock(&data->update_lock); return count; } @@ -505,8 +505,8 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int nr = attr->index; long val; int err; @@ -579,8 +579,8 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, }; struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int err; int nr = attr->index; @@ -635,8 +635,8 @@ static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *dummy, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int err; long hyst; @@ -657,11 +657,11 @@ static ssize_t set_temp2_crit_hyst(struct device *dev, * Set conversion rate. * client->update_lock must be held when calling this function. */ -static void lm63_set_convrate(struct i2c_client *client, struct lm63_data *data, - unsigned int interval) +static void lm63_set_convrate(struct lm63_data *data, unsigned int interval) { - int i; + struct i2c_client *client = data->client; unsigned int update_interval; + int i; /* Shift calculations to avoid rounding errors */ interval <<= 6; @@ -689,8 +689,7 @@ static ssize_t set_update_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); unsigned long val; int err; @@ -699,7 +698,7 @@ static ssize_t set_update_interval(struct device *dev, return err; mutex_lock(&data->update_lock); - lm63_set_convrate(client, data, clamp_val(val, 0, 100000)); + lm63_set_convrate(data, clamp_val(val, 0, 100000)); mutex_unlock(&data->update_lock); return count; @@ -708,8 +707,7 @@ static ssize_t set_update_interval(struct device *dev, static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); return sprintf(buf, data->trutherm ? "1\n" : "2\n"); } @@ -717,8 +715,8 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, static ssize_t set_type(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int ret; u8 reg; @@ -915,6 +913,15 @@ static struct attribute *lm63_attributes[] = { NULL }; +static struct attribute *lm63_attributes_temp2_type[] = { + &dev_attr_temp2_type.attr, + NULL +}; + +static const struct attribute_group lm63_group_temp2_type = { + .attrs = lm63_attributes_temp2_type, +}; + static struct attribute *lm63_attributes_extra_lut[] = { &sensor_dev_attr_pwm1_auto_point9_pwm.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point9_temp.dev_attr.attr, @@ -946,8 +953,7 @@ static umode_t lm63_attribute_mode(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); - struct lm63_data *data = i2c_get_clientdata(client); + struct lm63_data *data = dev_get_drvdata(dev); if (attr == &sensor_dev_attr_temp2_crit.dev_attr.attr && (data->kind == lm64 || @@ -1026,9 +1032,10 @@ static int lm63_detect(struct i2c_client *client, * Ideally we shouldn't have to initialize anything, since the BIOS * should have taken care of everything */ -static void lm63_init_client(struct i2c_client *client) +static void lm63_init_client(struct lm63_data *data) { - struct lm63_data *data = i2c_get_clientdata(client); + struct i2c_client *client = data->client; + struct device *dev = &client->dev; u8 convrate; data->config = i2c_smbus_read_byte_data(client, LM63_REG_CONFIG1); @@ -1037,7 +1044,7 @@ static void lm63_init_client(struct i2c_client *client) /* Start converting if needed */ if (data->config & 0x40) { /* standby */ - dev_dbg(&client->dev, "Switching to operational mode\n"); + dev_dbg(dev, "Switching to operational mode\n"); data->config &= 0xA7; i2c_smbus_write_byte_data(client, LM63_REG_CONFIG1, data->config); @@ -1090,13 +1097,13 @@ static void lm63_init_client(struct i2c_client *client) /* Show some debug info about the LM63 configuration */ if (data->kind == lm63) - dev_dbg(&client->dev, "Alert/tach pin configured for %s\n", + dev_dbg(dev, "Alert/tach pin configured for %s\n", (data->config & 0x04) ? "tachometer input" : "alert output"); - dev_dbg(&client->dev, "PWM clock %s kHz, output frequency %u Hz\n", + dev_dbg(dev, "PWM clock %s kHz, output frequency %u Hz\n", (data->config_fan & 0x08) ? "1.4" : "360", ((data->config_fan & 0x08) ? 700 : 180000) / data->pwm1_freq); - dev_dbg(&client->dev, "PWM output active %s, %s mode\n", + dev_dbg(dev, "PWM output active %s, %s mode\n", (data->config_fan & 0x10) ? "low" : "high", (data->config_fan & 0x20) ? "manual" : "auto"); } @@ -1104,15 +1111,16 @@ static void lm63_init_client(struct i2c_client *client) static int lm63_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; + struct device *hwmon_dev; struct lm63_data *data; - int err; + int groups = 0; - data = devm_kzalloc(&client->dev, sizeof(struct lm63_data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm63_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); - data->valid = 0; + data->client = client; mutex_init(&data->update_lock); /* Set the device type */ @@ -1121,59 +1129,21 @@ static int lm63_probe(struct i2c_client *client, data->temp2_offset = 16000; /* Initialize chip */ - lm63_init_client(client); + lm63_init_client(data); /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &lm63_group); - if (err) - return err; - if (data->config & 0x04) { /* tachometer enabled */ - err = sysfs_create_group(&client->dev.kobj, &lm63_group_fan1); - if (err) - goto exit_remove_files; - } - if (data->kind == lm96163) { - err = device_create_file(&client->dev, &dev_attr_temp2_type); - if (err) - goto exit_remove_files; - - err = sysfs_create_group(&client->dev.kobj, - &lm63_group_extra_lut); - if (err) - goto exit_remove_files; - } - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } + data->groups[groups++] = &lm63_group; + if (data->config & 0x04) /* tachometer enabled */ + data->groups[groups++] = &lm63_group_fan1; - return 0; - -exit_remove_files: - sysfs_remove_group(&client->dev.kobj, &lm63_group); - sysfs_remove_group(&client->dev.kobj, &lm63_group_fan1); if (data->kind == lm96163) { - device_remove_file(&client->dev, &dev_attr_temp2_type); - sysfs_remove_group(&client->dev.kobj, &lm63_group_extra_lut); + data->groups[groups++] = &lm63_group_temp2_type; + data->groups[groups++] = &lm63_group_extra_lut; } - return err; -} - -static int lm63_remove(struct i2c_client *client) -{ - struct lm63_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm63_group); - sysfs_remove_group(&client->dev.kobj, &lm63_group_fan1); - if (data->kind == lm96163) { - device_remove_file(&client->dev, &dev_attr_temp2_type); - sysfs_remove_group(&client->dev.kobj, &lm63_group_extra_lut); - } - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* @@ -1194,7 +1164,6 @@ static struct i2c_driver lm63_driver = { .name = "lm63", }, .probe = lm63_probe, - .remove = lm63_remove, .id_table = lm63_id, .detect = lm63_detect, .address_list = normal_i2c, @@ -1202,6 +1171,6 @@ static struct i2c_driver lm63_driver = { module_i2c_driver(lm63_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("LM63 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index 016efa26ba7..97204dce162 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -47,7 +47,7 @@ #define LM70_CHIP_LM74 3 /* NS LM74 */ struct lm70 { - struct device *hwmon_dev; + struct spi_device *spi; struct mutex lock; unsigned int chip; }; @@ -56,11 +56,11 @@ struct lm70 { static ssize_t lm70_sense_temp(struct device *dev, struct device_attribute *attr, char *buf) { - struct spi_device *spi = to_spi_device(dev); + struct lm70 *p_lm70 = dev_get_drvdata(dev); + struct spi_device *spi = p_lm70->spi; int status, val = 0; u8 rxbuf[2]; s16 raw = 0; - struct lm70 *p_lm70 = spi_get_drvdata(spi); if (mutex_lock_interruptible(&p_lm70->lock)) return -ERESTARTSYS; @@ -121,21 +121,20 @@ out: static DEVICE_ATTR(temp1_input, S_IRUGO, lm70_sense_temp, NULL); -static ssize_t lm70_show_name(struct device *dev, struct device_attribute - *devattr, char *buf) -{ - return sprintf(buf, "%s\n", to_spi_device(dev)->modalias); -} +static struct attribute *lm70_attrs[] = { + &dev_attr_temp1_input.attr, + NULL +}; -static DEVICE_ATTR(name, S_IRUGO, lm70_show_name, NULL); +ATTRIBUTE_GROUPS(lm70); /*----------------------------------------------------------------------*/ static int lm70_probe(struct spi_device *spi) { int chip = spi_get_device_id(spi)->driver_data; + struct device *hwmon_dev; struct lm70 *p_lm70; - int status; /* signaling is SPI_MODE_0 */ if (spi->mode & (SPI_CPOL | SPI_CPHA)) @@ -149,48 +148,14 @@ static int lm70_probe(struct spi_device *spi) mutex_init(&p_lm70->lock); p_lm70->chip = chip; + p_lm70->spi = spi; - spi_set_drvdata(spi, p_lm70); - - status = device_create_file(&spi->dev, &dev_attr_temp1_input); - if (status) - goto out_dev_create_temp_file_failed; - status = device_create_file(&spi->dev, &dev_attr_name); - if (status) - goto out_dev_create_file_failed; - - /* sysfs hook */ - p_lm70->hwmon_dev = hwmon_device_register(&spi->dev); - if (IS_ERR(p_lm70->hwmon_dev)) { - dev_dbg(&spi->dev, "hwmon_device_register failed.\n"); - status = PTR_ERR(p_lm70->hwmon_dev); - goto out_dev_reg_failed; - } - - return 0; - -out_dev_reg_failed: - device_remove_file(&spi->dev, &dev_attr_name); -out_dev_create_file_failed: - device_remove_file(&spi->dev, &dev_attr_temp1_input); -out_dev_create_temp_file_failed: - spi_set_drvdata(spi, NULL); - return status; + hwmon_dev = devm_hwmon_device_register_with_groups(&spi->dev, + spi->modalias, + p_lm70, lm70_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } -static int lm70_remove(struct spi_device *spi) -{ - struct lm70 *p_lm70 = spi_get_drvdata(spi); - - hwmon_device_unregister(p_lm70->hwmon_dev); - device_remove_file(&spi->dev, &dev_attr_temp1_input); - device_remove_file(&spi->dev, &dev_attr_name); - spi_set_drvdata(spi, NULL); - - return 0; -} - - static const struct spi_device_id lm70_ids[] = { { "lm70", LM70_CHIP_LM70 }, { "tmp121", LM70_CHIP_TMP121 }, @@ -207,7 +172,6 @@ static struct spi_driver lm70_driver = { }, .id_table = lm70_ids, .probe = lm70_probe, - .remove = lm70_remove, }; module_spi_driver(lm70_driver); diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c index 9bde9644b10..9653bb870a4 100644 --- a/drivers/hwmon/lm73.c +++ b/drivers/hwmon/lm73.c @@ -55,7 +55,7 @@ static const unsigned short lm73_convrates[] = { }; struct lm73_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex lock; u8 ctrl; /* control register value */ }; @@ -66,7 +66,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); + struct lm73_data *data = dev_get_drvdata(dev); long temp; short value; s32 err; @@ -77,7 +77,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, /* Write value */ value = clamp_val(temp / 250, LM73_TEMP_MIN, LM73_TEMP_MAX) << 5; - err = i2c_smbus_write_word_swapped(client, attr->index, value); + err = i2c_smbus_write_word_swapped(data->client, attr->index, value); return (err < 0) ? err : count; } @@ -85,10 +85,10 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); + struct lm73_data *data = dev_get_drvdata(dev); int temp; - s32 err = i2c_smbus_read_word_swapped(client, attr->index); + s32 err = i2c_smbus_read_word_swapped(data->client, attr->index); if (err < 0) return err; @@ -101,8 +101,7 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da, static ssize_t set_convrate(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm73_data *data = i2c_get_clientdata(client); + struct lm73_data *data = dev_get_drvdata(dev); unsigned long convrate; s32 err; int res = 0; @@ -124,7 +123,8 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da, mutex_lock(&data->lock); data->ctrl &= LM73_CTRL_TO_MASK; data->ctrl |= res << LM73_CTRL_RES_SHIFT; - err = i2c_smbus_write_byte_data(client, LM73_REG_CTRL, data->ctrl); + err = i2c_smbus_write_byte_data(data->client, LM73_REG_CTRL, + data->ctrl); mutex_unlock(&data->lock); if (err < 0) @@ -136,8 +136,7 @@ static ssize_t set_convrate(struct device *dev, struct device_attribute *da, static ssize_t show_convrate(struct device *dev, struct device_attribute *da, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm73_data *data = i2c_get_clientdata(client); + struct lm73_data *data = dev_get_drvdata(dev); int res; res = (data->ctrl & LM73_CTRL_RES_MASK) >> LM73_CTRL_RES_SHIFT; @@ -147,13 +146,12 @@ static ssize_t show_convrate(struct device *dev, struct device_attribute *da, static ssize_t show_maxmin_alarm(struct device *dev, struct device_attribute *da, char *buf) { - struct i2c_client *client = to_i2c_client(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct lm73_data *data = i2c_get_clientdata(client); + struct lm73_data *data = dev_get_drvdata(dev); s32 ctrl; mutex_lock(&data->lock); - ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL); + ctrl = i2c_smbus_read_byte_data(data->client, LM73_REG_CTRL); if (ctrl < 0) goto abort; data->ctrl = ctrl; @@ -183,7 +181,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_maxmin_alarm, NULL, LM73_CTRL_LO_SHIFT); -static struct attribute *lm73_attributes[] = { +static struct attribute *lm73_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_min.dev_attr.attr, @@ -192,10 +190,7 @@ static struct attribute *lm73_attributes[] = { &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group lm73_group = { - .attrs = lm73_attributes, -}; +ATTRIBUTE_GROUPS(lm73); /*-----------------------------------------------------------------------*/ @@ -204,16 +199,16 @@ static const struct attribute_group lm73_group = { static int lm73_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int status; + struct device *dev = &client->dev; + struct device *hwmon_dev; struct lm73_data *data; int ctrl; - data = devm_kzalloc(&client->dev, sizeof(struct lm73_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm73_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->lock); ctrl = i2c_smbus_read_byte_data(client, LM73_REG_CTRL); @@ -221,33 +216,13 @@ lm73_probe(struct i2c_client *client, const struct i2c_device_id *id) return ctrl; data->ctrl = ctrl; - /* Register sysfs hooks */ - status = sysfs_create_group(&client->dev.kobj, &lm73_group); - if (status) - return status; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - status = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, lm73_groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); - dev_info(&client->dev, "%s: sensor '%s'\n", - dev_name(data->hwmon_dev), client->name); - - return 0; - -exit_remove: - sysfs_remove_group(&client->dev.kobj, &lm73_group); - return status; -} - -static int lm73_remove(struct i2c_client *client) -{ - struct lm73_data *data = i2c_get_clientdata(client); + dev_info(dev, "sensor '%s'\n", client->name); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm73_group); return 0; } @@ -300,7 +275,6 @@ static struct i2c_driver lm73_driver = { .name = "lm73", }, .probe = lm73_probe, - .remove = lm73_remove, .id_table = lm73_ids, .detect = lm73_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index c03b490bba8..479ffbeed3f 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -27,6 +27,8 @@ #include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/mutex.h> +#include <linux/of.h> +#include <linux/thermal.h> #include "lm75.h" @@ -39,6 +41,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ ds1775, ds75, ds7505, + g751, lm75, lm75a, max6625, @@ -69,7 +72,9 @@ static const u8 LM75_REG_TEMP[3] = { /* Each client has this additional data */ struct lm75_data { + struct i2c_client *client; struct device *hwmon_dev; + struct thermal_zone_device *tz; struct mutex update_lock; u8 orig_conf; u8 resolution; /* In bits, between 9 and 12 */ @@ -90,30 +95,44 @@ static struct lm75_data *lm75_update_device(struct device *dev); /*-----------------------------------------------------------------------*/ +static inline long lm75_reg_to_mc(s16 temp, u8 resolution) +{ + return ((temp >> (16 - resolution)) * 1000) >> (resolution - 8); +} + /* sysfs attributes for hwmon */ +static int lm75_read_temp(void *dev, long *temp) +{ + struct lm75_data *data = lm75_update_device(dev); + + if (IS_ERR(data)) + return PTR_ERR(data); + + *temp = lm75_reg_to_mc(data->temp[0], data->resolution); + + return 0; +} + static ssize_t show_temp(struct device *dev, struct device_attribute *da, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct lm75_data *data = lm75_update_device(dev); - long temp; if (IS_ERR(data)) return PTR_ERR(data); - temp = ((data->temp[attr->index] >> (16 - data->resolution)) * 1000) - >> (data->resolution - 8); - - return sprintf(buf, "%ld\n", temp); + return sprintf(buf, "%ld\n", lm75_reg_to_mc(data->temp[attr->index], + data->resolution)); } static ssize_t set_temp(struct device *dev, struct device_attribute *da, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - struct lm75_data *data = i2c_get_clientdata(client); + struct lm75_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int nr = attr->index; long temp; int error; @@ -147,17 +166,14 @@ static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp, set_temp, 2); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); -static struct attribute *lm75_attributes[] = { +static struct attribute *lm75_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, NULL }; - -static const struct attribute_group lm75_group = { - .attrs = lm75_attributes, -}; +ATTRIBUTE_GROUPS(lm75); /*-----------------------------------------------------------------------*/ @@ -166,6 +182,7 @@ static const struct attribute_group lm75_group = { static int lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct lm75_data *data; int status; u8 set_mask, clr_mask; @@ -176,10 +193,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) return -EIO; - data = devm_kzalloc(&client->dev, sizeof(struct lm75_data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm75_data), GFP_KERNEL); if (!data) return -ENOMEM; + data->client = client; i2c_set_clientdata(client, data); mutex_init(&data->update_lock); @@ -208,6 +226,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 12; data->sample_time = HZ / 4; break; + case g751: case lm75: case lm75a: data->resolution = 9; @@ -250,7 +269,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) /* configure as specified */ status = lm75_read_value(client, LM75_REG_CONF); if (status < 0) { - dev_dbg(&client->dev, "Can't read config? %d\n", status); + dev_dbg(dev, "Can't read config? %d\n", status); return status; } data->orig_conf = status; @@ -258,35 +277,32 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) new |= set_mask; if (status != new) lm75_write_value(client, LM75_REG_CONF, new); - dev_dbg(&client->dev, "Config %02x\n", new); + dev_dbg(dev, "Config %02x\n", new); - /* Register sysfs hooks */ - status = sysfs_create_group(&client->dev.kobj, &lm75_group); - if (status) - return status; + data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name, + data, lm75_groups); + if (IS_ERR(data->hwmon_dev)) + return PTR_ERR(data->hwmon_dev); - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - status = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } + data->tz = thermal_zone_of_sensor_register(data->hwmon_dev, + 0, + data->hwmon_dev, + lm75_read_temp, NULL); + if (IS_ERR(data->tz)) + data->tz = NULL; - dev_info(&client->dev, "%s: sensor '%s'\n", + dev_info(dev, "%s: sensor '%s'\n", dev_name(data->hwmon_dev), client->name); return 0; - -exit_remove: - sysfs_remove_group(&client->dev.kobj, &lm75_group); - return status; } static int lm75_remove(struct i2c_client *client) { struct lm75_data *data = i2c_get_clientdata(client); + thermal_zone_of_sensor_unregister(data->hwmon_dev, data->tz); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm75_group); lm75_write_value(client, LM75_REG_CONF, data->orig_conf); return 0; } @@ -296,6 +312,7 @@ static const struct i2c_device_id lm75_ids[] = { { "ds1775", ds1775, }, { "ds75", ds75, }, { "ds7505", ds7505, }, + { "g751", g751, }, { "lm75", lm75, }, { "lm75a", lm75a, }, { "max6625", max6625, }, @@ -479,8 +496,8 @@ static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value) static struct lm75_data *lm75_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm75_data *data = i2c_get_clientdata(client); + struct lm75_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct lm75_data *ret = data; mutex_lock(&data->update_lock); diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c index f17beb5e6dd..5ceb443b938 100644 --- a/drivers/hwmon/lm77.c +++ b/drivers/hwmon/lm77.c @@ -19,10 +19,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -47,50 +43,33 @@ static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, #define LM77_REG_TEMP_MIN 0x04 #define LM77_REG_TEMP_MAX 0x05 +enum temp_index { + t_input = 0, + t_crit, + t_min, + t_max, + t_hyst, + t_num_temp +}; + +static const u8 temp_regs[t_num_temp] = { + [t_input] = LM77_REG_TEMP, + [t_min] = LM77_REG_TEMP_MIN, + [t_max] = LM77_REG_TEMP_MAX, + [t_crit] = LM77_REG_TEMP_CRIT, + [t_hyst] = LM77_REG_TEMP_HYST, +}; + /* Each client has this additional data */ struct lm77_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; unsigned long last_updated; /* In jiffies */ - int temp_input; /* Temperatures */ - int temp_crit; - int temp_min; - int temp_max; - int temp_hyst; + int temp[t_num_temp]; /* index using temp_index */ u8 alarms; }; -static int lm77_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int lm77_detect(struct i2c_client *client, struct i2c_board_info *info); -static void lm77_init_client(struct i2c_client *client); -static int lm77_remove(struct i2c_client *client); -static u16 lm77_read_value(struct i2c_client *client, u8 reg); -static int lm77_write_value(struct i2c_client *client, u8 reg, u16 value); - -static struct lm77_data *lm77_update_device(struct device *dev); - - -static const struct i2c_device_id lm77_id[] = { - { "lm77", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, lm77_id); - -/* This is the driver that will be inserted */ -static struct i2c_driver lm77_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "lm77", - }, - .probe = lm77_probe, - .remove = lm77_remove, - .id_table = lm77_id, - .detect = lm77_detect, - .address_list = normal_i2c, -}; - /* straight from the datasheet */ #define LM77_TEMP_MIN (-55000) #define LM77_TEMP_MAX 125000 @@ -110,97 +89,109 @@ static inline int LM77_TEMP_FROM_REG(s16 reg) return (reg / 8) * 500; } -/* sysfs stuff */ - -/* read routines for temperature limits */ -#define show(value) \ -static ssize_t show_##value(struct device *dev, \ - struct device_attribute *attr, \ - char *buf) \ -{ \ - struct lm77_data *data = lm77_update_device(dev); \ - return sprintf(buf, "%d\n", data->value); \ +/* + * All registers are word-sized, except for the configuration register. + * The LM77 uses the high-byte first convention. + */ +static u16 lm77_read_value(struct i2c_client *client, u8 reg) +{ + if (reg == LM77_REG_CONF) + return i2c_smbus_read_byte_data(client, reg); + else + return i2c_smbus_read_word_swapped(client, reg); } -show(temp_input); -show(temp_crit); -show(temp_min); -show(temp_max); +static int lm77_write_value(struct i2c_client *client, u8 reg, u16 value) +{ + if (reg == LM77_REG_CONF) + return i2c_smbus_write_byte_data(client, reg, value); + else + return i2c_smbus_write_word_swapped(client, reg, value); +} -/* read routines for hysteresis values */ -static ssize_t show_temp_crit_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static struct lm77_data *lm77_update_device(struct device *dev) { - struct lm77_data *data = lm77_update_device(dev); - return sprintf(buf, "%d\n", data->temp_crit - data->temp_hyst); + struct lm77_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int i; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ + HZ / 2) + || !data->valid) { + dev_dbg(&client->dev, "Starting lm77 update\n"); + for (i = 0; i < t_num_temp; i++) { + data->temp[i] = + LM77_TEMP_FROM_REG(lm77_read_value(client, + temp_regs[i])); + } + data->alarms = + lm77_read_value(client, LM77_REG_TEMP) & 0x0007; + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; } -static ssize_t show_temp_min_hyst(struct device *dev, - struct device_attribute *attr, char *buf) + +/* sysfs stuff */ + +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct lm77_data *data = lm77_update_device(dev); - return sprintf(buf, "%d\n", data->temp_min + data->temp_hyst); + + return sprintf(buf, "%d\n", data->temp[attr->index]); } -static ssize_t show_temp_max_hyst(struct device *dev, - struct device_attribute *attr, char *buf) + +static ssize_t show_temp_hyst(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct lm77_data *data = lm77_update_device(dev); - return sprintf(buf, "%d\n", data->temp_max - data->temp_hyst); -} + int nr = attr->index; + int temp; -/* write routines */ -#define set(value, reg) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm77_data *data = i2c_get_clientdata(client); \ - long val; \ - int err = kstrtol(buf, 10, &val); \ - if (err) \ - return err; \ - \ - mutex_lock(&data->update_lock); \ - data->value = val; \ - lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value)); \ - mutex_unlock(&data->update_lock); \ - return count; \ -} + temp = nr == t_min ? data->temp[nr] + data->temp[t_hyst] : + data->temp[nr] - data->temp[t_hyst]; -set(temp_min, LM77_REG_TEMP_MIN); -set(temp_max, LM77_REG_TEMP_MAX); + return sprintf(buf, "%d\n", temp); +} -/* - * hysteresis is stored as a relative value on the chip, so it has to be - * converted first - */ -static ssize_t set_temp_crit_hyst(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm77_data *data = i2c_get_clientdata(client); - unsigned long val; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm77_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int nr = attr->index; + long val; int err; - err = kstrtoul(buf, 10, &val); + err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); - data->temp_hyst = data->temp_crit - val; - lm77_write_value(client, LM77_REG_TEMP_HYST, - LM77_TEMP_TO_REG(data->temp_hyst)); + data->temp[nr] = val; + lm77_write_value(client, temp_regs[nr], LM77_TEMP_TO_REG(val)); mutex_unlock(&data->update_lock); return count; } -/* preserve hysteresis when setting T_crit */ -static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, +/* + * hysteresis is stored as a relative value on the chip, so it has to be + * converted first. + */ +static ssize_t set_temp_hyst(struct device *dev, + struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm77_data *data = i2c_get_clientdata(client); - int oldcrithyst; + struct lm77_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err; @@ -209,13 +200,9 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, return err; mutex_lock(&data->update_lock); - oldcrithyst = data->temp_crit - data->temp_hyst; - data->temp_crit = val; - data->temp_hyst = data->temp_crit - oldcrithyst; - lm77_write_value(client, LM77_REG_TEMP_CRIT, - LM77_TEMP_TO_REG(data->temp_crit)); + data->temp[t_hyst] = data->temp[t_crit] - val; lm77_write_value(client, LM77_REG_TEMP_HYST, - LM77_TEMP_TO_REG(data->temp_hyst)); + LM77_TEMP_TO_REG(data->temp[t_hyst])); mutex_unlock(&data->update_lock); return count; } @@ -228,43 +215,37 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); } -static DEVICE_ATTR(temp1_input, S_IRUGO, - show_temp_input, NULL); -static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, - show_temp_crit, set_temp_crit); -static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, - show_temp_min, set_temp_min); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, - show_temp_max, set_temp_max); - -static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, - show_temp_crit_hyst, set_temp_crit_hyst); -static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, - show_temp_min_hyst, NULL); -static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, - show_temp_max_hyst, NULL); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_crit); +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_min); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_max); + +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst, + set_temp_hyst, t_crit); +static SENSOR_DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp_hyst, NULL, t_min); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_hyst, NULL, t_max); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1); -static struct attribute *lm77_attributes[] = { - &dev_attr_temp1_input.attr, - &dev_attr_temp1_crit.attr, - &dev_attr_temp1_min.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp1_crit_hyst.attr, - &dev_attr_temp1_min_hyst.attr, - &dev_attr_temp1_max_hyst.attr, +static struct attribute *lm77_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_min_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group lm77_group = { - .attrs = lm77_attributes, -}; +ATTRIBUTE_GROUPS(lm77); /* Return 0 if detection is successful, -ENODEV otherwise */ static int lm77_detect(struct i2c_client *client, struct i2c_board_info *info) @@ -337,112 +318,52 @@ static int lm77_detect(struct i2c_client *client, struct i2c_board_info *info) return 0; } +static void lm77_init_client(struct i2c_client *client) +{ + /* Initialize the LM77 chip - turn off shutdown mode */ + int conf = lm77_read_value(client, LM77_REG_CONF); + if (conf & 1) + lm77_write_value(client, LM77_REG_CONF, conf & 0xfe); +} + static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; + struct device *hwmon_dev; struct lm77_data *data; - int err; data = devm_kzalloc(dev, sizeof(struct lm77_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); - data->valid = 0; + data->client = client; mutex_init(&data->update_lock); /* Initialize the LM77 chip */ lm77_init_client(client); - /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &lm77_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 exit_remove; - } - - return 0; - -exit_remove: - sysfs_remove_group(&dev->kobj, &lm77_group); - return err; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, lm77_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } -static int lm77_remove(struct i2c_client *client) -{ - struct lm77_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm77_group); - return 0; -} - -/* - * All registers are word-sized, except for the configuration register. - * The LM77 uses the high-byte first convention. - */ -static u16 lm77_read_value(struct i2c_client *client, u8 reg) -{ - if (reg == LM77_REG_CONF) - return i2c_smbus_read_byte_data(client, reg); - else - return i2c_smbus_read_word_swapped(client, reg); -} - -static int lm77_write_value(struct i2c_client *client, u8 reg, u16 value) -{ - if (reg == LM77_REG_CONF) - return i2c_smbus_write_byte_data(client, reg, value); - else - return i2c_smbus_write_word_swapped(client, reg, value); -} - -static void lm77_init_client(struct i2c_client *client) -{ - /* Initialize the LM77 chip - turn off shutdown mode */ - int conf = lm77_read_value(client, LM77_REG_CONF); - if (conf & 1) - lm77_write_value(client, LM77_REG_CONF, conf & 0xfe); -} - -static struct lm77_data *lm77_update_device(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct lm77_data *data = i2c_get_clientdata(client); - - mutex_lock(&data->update_lock); - - if (time_after(jiffies, data->last_updated + HZ + HZ / 2) - || !data->valid) { - dev_dbg(&client->dev, "Starting lm77 update\n"); - data->temp_input = - LM77_TEMP_FROM_REG(lm77_read_value(client, - LM77_REG_TEMP)); - data->temp_hyst = - LM77_TEMP_FROM_REG(lm77_read_value(client, - LM77_REG_TEMP_HYST)); - data->temp_crit = - LM77_TEMP_FROM_REG(lm77_read_value(client, - LM77_REG_TEMP_CRIT)); - data->temp_min = - LM77_TEMP_FROM_REG(lm77_read_value(client, - LM77_REG_TEMP_MIN)); - data->temp_max = - LM77_TEMP_FROM_REG(lm77_read_value(client, - LM77_REG_TEMP_MAX)); - data->alarms = - lm77_read_value(client, LM77_REG_TEMP) & 0x0007; - data->last_updated = jiffies; - data->valid = 1; - } - - mutex_unlock(&data->update_lock); +static const struct i2c_device_id lm77_id[] = { + { "lm77", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, lm77_id); - return data; -} +/* This is the driver that will be inserted */ +static struct i2c_driver lm77_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "lm77", + }, + .probe = lm77_probe, + .id_table = lm77_id, + .detect = lm77_detect, + .address_list = normal_i2c, +}; module_i2c_driver(lm77_driver); diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c index 6cf6bff7900..9efadfc851b 100644 --- a/drivers/hwmon/lm78.c +++ b/drivers/hwmon/lm78.c @@ -2,7 +2,7 @@ * lm78.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> - * Copyright (c) 2007, 2011 Jean Delvare <khali@linux-fr.org> + * Copyright (c) 2007, 2011 Jean Delvare <jdelvare@suse.de> * * 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 @@ -94,6 +94,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } @@ -1106,7 +1108,7 @@ static void __exit sm_lm78_exit(void) i2c_del_driver(&lm78_driver); } -MODULE_AUTHOR("Frodo Looijaard, Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Frodo Looijaard, Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("LM78/LM79 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c index eba89aac3ec..4bcd9b88294 100644 --- a/drivers/hwmon/lm80.c +++ b/drivers/hwmon/lm80.c @@ -86,140 +86,234 @@ static inline unsigned char FAN_TO_REG(unsigned rpm, unsigned div) #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : \ (val) == 255 ? 0 : 1350000/((div) * (val))) -static inline long TEMP_FROM_REG(u16 temp) -{ - long res; +#define TEMP_FROM_REG(reg) ((reg) * 125 / 32) +#define TEMP_TO_REG(temp) (DIV_ROUND_CLOSEST(clamp_val((temp), \ + -128000, 127000), 1000) << 8) - temp >>= 4; - if (temp < 0x0800) - res = 625 * (long) temp; - else - res = ((long) temp - 0x01000) * 625; +#define DIV_FROM_REG(val) (1 << (val)) - return res / 10; -} +enum temp_index { + t_input = 0, + t_hot_max, + t_hot_hyst, + t_os_max, + t_os_hyst, + t_num_temp +}; -#define TEMP_LIMIT_FROM_REG(val) (((val) > 0x80 ? \ - (val) - 0x100 : (val)) * 1000) +static const u8 temp_regs[t_num_temp] = { + [t_input] = LM80_REG_TEMP, + [t_hot_max] = LM80_REG_TEMP_HOT_MAX, + [t_hot_hyst] = LM80_REG_TEMP_HOT_HYST, + [t_os_max] = LM80_REG_TEMP_OS_MAX, + [t_os_hyst] = LM80_REG_TEMP_OS_HYST, +}; -#define TEMP_LIMIT_TO_REG(val) clamp_val((val) < 0 ? \ - ((val) - 500) / 1000 : ((val) + 500) / 1000, 0, 255) +enum in_index { + i_input = 0, + i_max, + i_min, + i_num_in +}; -#define DIV_FROM_REG(val) (1 << (val)) +enum fan_index { + f_input, + f_min, + f_num_fan +}; /* * Client data (each client gets its own) */ struct lm80_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char error; /* !=0 if error occurred during last update */ char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - u8 in[7]; /* Register value */ - u8 in_max[7]; /* Register value */ - u8 in_min[7]; /* Register value */ - u8 fan[2]; /* Register value */ - u8 fan_min[2]; /* Register value */ + u8 in[i_num_in][7]; /* Register value, 1st index is enum in_index */ + u8 fan[f_num_fan][2]; /* Register value, 1st index enum fan_index */ u8 fan_div[2]; /* Register encoding, shifted right */ - u16 temp; /* Register values, shifted right */ - u8 temp_hot_max; /* Register value */ - u8 temp_hot_hyst; /* Register value */ - u8 temp_os_max; /* Register value */ - u8 temp_os_hyst; /* Register value */ + s16 temp[t_num_temp]; /* Register values, normalized to 16 bit */ u16 alarms; /* Register encoding, combined */ }; -/* - * Functions declaration - */ +static int lm80_read_value(struct i2c_client *client, u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} -static int lm80_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info); -static void lm80_init_client(struct i2c_client *client); -static int lm80_remove(struct i2c_client *client); -static struct lm80_data *lm80_update_device(struct device *dev); -static int lm80_read_value(struct i2c_client *client, u8 reg); -static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value); +static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} -/* - * Driver data (common to all clients) - */ +/* Called when we have found a new LM80 and after read errors */ +static void lm80_init_client(struct i2c_client *client) +{ + /* + * Reset all except Watchdog values and last conversion values + * This sets fan-divs to 2, among others. This makes most other + * initializations unnecessary + */ + lm80_write_value(client, LM80_REG_CONFIG, 0x80); + /* Set 11-bit temperature resolution */ + lm80_write_value(client, LM80_REG_RES, 0x08); -static const struct i2c_device_id lm80_id[] = { - { "lm80", 0 }, - { "lm96080", 1 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, lm80_id); + /* Start monitoring */ + lm80_write_value(client, LM80_REG_CONFIG, 0x01); +} -static struct i2c_driver lm80_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "lm80", - }, - .probe = lm80_probe, - .remove = lm80_remove, - .id_table = lm80_id, - .detect = lm80_detect, - .address_list = normal_i2c, -}; +static struct lm80_data *lm80_update_device(struct device *dev) +{ + struct lm80_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int i; + int rv; + int prev_rv; + struct lm80_data *ret = data; + + mutex_lock(&data->update_lock); + + if (data->error) + lm80_init_client(client); + + if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { + dev_dbg(dev, "Starting lm80 update\n"); + for (i = 0; i <= 6; i++) { + rv = lm80_read_value(client, LM80_REG_IN(i)); + if (rv < 0) + goto abort; + data->in[i_input][i] = rv; + + rv = lm80_read_value(client, LM80_REG_IN_MIN(i)); + if (rv < 0) + goto abort; + data->in[i_min][i] = rv; + + rv = lm80_read_value(client, LM80_REG_IN_MAX(i)); + if (rv < 0) + goto abort; + data->in[i_max][i] = rv; + } + + rv = lm80_read_value(client, LM80_REG_FAN1); + if (rv < 0) + goto abort; + data->fan[f_input][0] = rv; + + rv = lm80_read_value(client, LM80_REG_FAN_MIN(1)); + if (rv < 0) + goto abort; + data->fan[f_min][0] = rv; + + rv = lm80_read_value(client, LM80_REG_FAN2); + if (rv < 0) + goto abort; + data->fan[f_input][1] = rv; + + rv = lm80_read_value(client, LM80_REG_FAN_MIN(2)); + if (rv < 0) + goto abort; + data->fan[f_min][1] = rv; + + prev_rv = rv = lm80_read_value(client, LM80_REG_TEMP); + if (rv < 0) + goto abort; + rv = lm80_read_value(client, LM80_REG_RES); + if (rv < 0) + goto abort; + data->temp[t_input] = (prev_rv << 8) | (rv & 0xf0); + + for (i = t_input + 1; i < t_num_temp; i++) { + rv = lm80_read_value(client, temp_regs[i]); + if (rv < 0) + goto abort; + data->temp[i] = rv << 8; + } + + rv = lm80_read_value(client, LM80_REG_FANDIV); + if (rv < 0) + goto abort; + data->fan_div[0] = (rv >> 2) & 0x03; + data->fan_div[1] = (rv >> 4) & 0x03; + + prev_rv = rv = lm80_read_value(client, LM80_REG_ALARM1); + if (rv < 0) + goto abort; + rv = lm80_read_value(client, LM80_REG_ALARM2); + if (rv < 0) + goto abort; + data->alarms = prev_rv + (rv << 8); + + data->last_updated = jiffies; + data->valid = 1; + data->error = 0; + } + goto done; + +abort: + ret = ERR_PTR(rv); + data->valid = 0; + data->error = 1; + +done: + mutex_unlock(&data->update_lock); + + return ret; +} /* * Sysfs stuff */ -#define show_in(suffix, value) \ -static ssize_t show_in_##suffix(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - int nr = to_sensor_dev_attr(attr)->index; \ - struct lm80_data *data = lm80_update_device(dev); \ - if (IS_ERR(data)) \ - return PTR_ERR(data); \ - return sprintf(buf, "%d\n", IN_FROM_REG(data->value[nr])); \ +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct lm80_data *data = lm80_update_device(dev); + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr][index])); } -show_in(min, in_min) -show_in(max, in_max) -show_in(input, in) - -#define set_in(suffix, value, reg) \ -static ssize_t set_in_##suffix(struct device *dev, \ - struct device_attribute *attr, const char *buf, size_t count) \ -{ \ - int nr = to_sensor_dev_attr(attr)->index; \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm80_data *data = i2c_get_clientdata(client); \ - long val; \ - int err = kstrtol(buf, 10, &val); \ - if (err < 0) \ - return err; \ -\ - mutex_lock(&data->update_lock);\ - data->value[nr] = IN_TO_REG(val); \ - lm80_write_value(client, reg(nr), data->value[nr]); \ - mutex_unlock(&data->update_lock);\ - return count; \ + +static ssize_t set_in(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct lm80_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + long val; + u8 reg; + int err = kstrtol(buf, 10, &val); + if (err < 0) + return err; + + reg = nr == i_min ? LM80_REG_IN_MIN(index) : LM80_REG_IN_MAX(index); + + mutex_lock(&data->update_lock); + data->in[nr][index] = IN_TO_REG(val); + lm80_write_value(client, reg, data->in[nr][index]); + mutex_unlock(&data->update_lock); + return count; } -set_in(min, in_min, LM80_REG_IN_MIN) -set_in(max, in_max, LM80_REG_IN_MAX) - -#define show_fan(suffix, value) \ -static ssize_t show_fan_##suffix(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - int nr = to_sensor_dev_attr(attr)->index; \ - struct lm80_data *data = lm80_update_device(dev); \ - if (IS_ERR(data)) \ - return PTR_ERR(data); \ - return sprintf(buf, "%d\n", FAN_FROM_REG(data->value[nr], \ - DIV_FROM_REG(data->fan_div[nr]))); \ + +static ssize_t show_fan(struct device *dev, struct device_attribute *attr, + char *buf) +{ + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + struct lm80_data *data = lm80_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr][index], + DIV_FROM_REG(data->fan_div[index]))); } -show_fan(min, fan_min) -show_fan(input, fan) static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) @@ -234,17 +328,20 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - int nr = to_sensor_dev_attr(attr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct lm80_data *data = i2c_get_clientdata(client); + int index = to_sensor_dev_attr_2(attr)->index; + int nr = to_sensor_dev_attr_2(attr)->nr; + struct lm80_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err = kstrtoul(buf, 10, &val); if (err < 0) return err; mutex_lock(&data->update_lock); - data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); - lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1), data->fan_min[nr]); + data->fan[nr][index] = FAN_TO_REG(val, + DIV_FROM_REG(data->fan_div[index])); + lm80_write_value(client, LM80_REG_FAN_MIN(index + 1), + data->fan[nr][index]); mutex_unlock(&data->update_lock); return count; } @@ -259,8 +356,8 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { int nr = to_sensor_dev_attr(attr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct lm80_data *data = i2c_get_clientdata(client); + struct lm80_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long min, val; u8 reg; int err = kstrtoul(buf, 10, &val); @@ -269,7 +366,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, /* Save fan_min */ mutex_lock(&data->update_lock); - min = FAN_FROM_REG(data->fan_min[nr], + min = FAN_FROM_REG(data->fan[f_min][nr], DIV_FROM_REG(data->fan_div[nr])); switch (val) { @@ -286,69 +383,54 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, data->fan_div[nr] = 3; break; default: - dev_err(&client->dev, + dev_err(dev, "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", val); mutex_unlock(&data->update_lock); return -EINVAL; } - reg = (lm80_read_value(client, LM80_REG_FANDIV) & ~(3 << (2 * (nr + 1)))) - | (data->fan_div[nr] << (2 * (nr + 1))); + reg = (lm80_read_value(client, LM80_REG_FANDIV) & + ~(3 << (2 * (nr + 1)))) | (data->fan_div[nr] << (2 * (nr + 1))); lm80_write_value(client, LM80_REG_FANDIV, reg); /* Restore fan_min */ - data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); - lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1), data->fan_min[nr]); + data->fan[f_min][nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); + lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1), + data->fan[f_min][nr]); mutex_unlock(&data->update_lock); return count; } -static ssize_t show_temp_input1(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct lm80_data *data = lm80_update_device(dev); if (IS_ERR(data)) return PTR_ERR(data); - return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp)); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); } -#define show_temp(suffix, value) \ -static ssize_t show_temp_##suffix(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - struct lm80_data *data = lm80_update_device(dev); \ - if (IS_ERR(data)) \ - return PTR_ERR(data); \ - return sprintf(buf, "%d\n", TEMP_LIMIT_FROM_REG(data->value)); \ -} -show_temp(hot_max, temp_hot_max); -show_temp(hot_hyst, temp_hot_hyst); -show_temp(os_max, temp_os_max); -show_temp(os_hyst, temp_os_hyst); - -#define set_temp(suffix, value, reg) \ -static ssize_t set_temp_##suffix(struct device *dev, \ - struct device_attribute *attr, const char *buf, size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm80_data *data = i2c_get_clientdata(client); \ - long val; \ - int err = kstrtol(buf, 10, &val); \ - if (err < 0) \ - return err; \ -\ - mutex_lock(&data->update_lock); \ - data->value = TEMP_LIMIT_TO_REG(val); \ - lm80_write_value(client, reg, data->value); \ - mutex_unlock(&data->update_lock); \ - return count; \ +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm80_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int nr = attr->index; + long val; + int err = kstrtol(buf, 10, &val); + if (err < 0) + return err; + + mutex_lock(&data->update_lock); + data->temp[nr] = TEMP_TO_REG(val); + lm80_write_value(client, temp_regs[nr], data->temp[nr] >> 8); + mutex_unlock(&data->update_lock); + return count; } -set_temp(hot_max, temp_hot_max, LM80_REG_TEMP_HOT_MAX); -set_temp(hot_hyst, temp_hot_hyst, LM80_REG_TEMP_HOT_HYST); -set_temp(os_max, temp_os_max, LM80_REG_TEMP_OS_MAX); -set_temp(os_hyst, temp_os_hyst, LM80_REG_TEMP_OS_HYST); static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) @@ -369,60 +451,60 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); } -static SENSOR_DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 0); -static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 1); -static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 2); -static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 3); -static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 4); -static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 5); -static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, - show_in_min, set_in_min, 6); -static SENSOR_DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 0); -static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 1); -static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 2); -static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 3); -static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 4); -static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 5); -static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, - show_in_max, set_in_max, 6); -static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0); -static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1); -static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2); -static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3); -static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4); -static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5); -static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6); -static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, - show_fan_min, set_fan_min, 0); -static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, - show_fan_min, set_fan_min, 1); -static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0); -static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1); +static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 0); +static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 1); +static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 2); +static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 3); +static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 4); +static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 5); +static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, + show_in, set_in, i_min, 6); +static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 0); +static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 1); +static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 2); +static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 3); +static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 4); +static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 5); +static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, + show_in, set_in, i_max, 6); +static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, i_input, 0); +static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, i_input, 1); +static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, i_input, 2); +static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, i_input, 3); +static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, i_input, 4); +static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, i_input, 5); +static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, i_input, 6); +static SENSOR_DEVICE_ATTR_2(fan1_min, S_IWUSR | S_IRUGO, + show_fan, set_fan_min, f_min, 0); +static SENSOR_DEVICE_ATTR_2(fan2_min, S_IWUSR | S_IRUGO, + show_fan, set_fan_min, f_min, 1); +static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, f_input, 0); +static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, f_input, 1); static SENSOR_DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, set_fan_div, 0); static SENSOR_DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, set_fan_div, 1); -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_hot_max, - set_temp_hot_max); -static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp_hot_hyst, - set_temp_hot_hyst); -static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_os_max, - set_temp_os_max); -static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_os_hyst, - set_temp_os_hyst); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, + set_temp, t_hot_max); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp, + set_temp, t_hot_hyst); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp, + set_temp, t_os_max); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp, + set_temp, t_os_hyst); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); @@ -440,7 +522,7 @@ static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 13); * Real code */ -static struct attribute *lm80_attributes[] = { +static struct attribute *lm80_attrs[] = { &sensor_dev_attr_in0_min.dev_attr.attr, &sensor_dev_attr_in1_min.dev_attr.attr, &sensor_dev_attr_in2_min.dev_attr.attr, @@ -468,11 +550,11 @@ static struct attribute *lm80_attributes[] = { &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan1_div.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, - &dev_attr_temp1_input.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp1_max_hyst.attr, - &dev_attr_temp1_crit.attr, - &dev_attr_temp1_crit_hyst.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, &dev_attr_alarms.attr, &sensor_dev_attr_in0_alarm.dev_attr.attr, &sensor_dev_attr_in1_alarm.dev_attr.attr, @@ -487,10 +569,7 @@ static struct attribute *lm80_attributes[] = { &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group lm80_group = { - .attrs = lm80_attributes, -}; +ATTRIBUTE_GROUPS(lm80); /* Return 0 if detection is successful, -ENODEV otherwise */ static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info) @@ -541,188 +620,51 @@ static int lm80_detect(struct i2c_client *client, struct i2c_board_info *info) static int lm80_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; + struct device *hwmon_dev; struct lm80_data *data; - int err; - data = devm_kzalloc(&client->dev, sizeof(struct lm80_data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm80_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the LM80 chip */ lm80_init_client(client); /* A few vars need to be filled upon startup */ - data->fan_min[0] = lm80_read_value(client, LM80_REG_FAN_MIN(1)); - data->fan_min[1] = lm80_read_value(client, LM80_REG_FAN_MIN(2)); - - /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &lm80_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error_remove; - } + data->fan[f_min][0] = lm80_read_value(client, LM80_REG_FAN_MIN(1)); + data->fan[f_min][1] = lm80_read_value(client, LM80_REG_FAN_MIN(2)); - return 0; - -error_remove: - sysfs_remove_group(&client->dev.kobj, &lm80_group); - return err; -} - -static int lm80_remove(struct i2c_client *client) -{ - struct lm80_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm80_group); - - return 0; -} - -static int lm80_read_value(struct i2c_client *client, u8 reg) -{ - return i2c_smbus_read_byte_data(client, reg); -} - -static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value) -{ - return i2c_smbus_write_byte_data(client, reg, value); -} - -/* Called when we have found a new LM80. */ -static void lm80_init_client(struct i2c_client *client) -{ - /* - * Reset all except Watchdog values and last conversion values - * This sets fan-divs to 2, among others. This makes most other - * initializations unnecessary - */ - lm80_write_value(client, LM80_REG_CONFIG, 0x80); - /* Set 11-bit temperature resolution */ - lm80_write_value(client, LM80_REG_RES, 0x08); + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, lm80_groups); - /* Start monitoring */ - lm80_write_value(client, LM80_REG_CONFIG, 0x01); + return PTR_ERR_OR_ZERO(hwmon_dev); } -static struct lm80_data *lm80_update_device(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct lm80_data *data = i2c_get_clientdata(client); - int i; - int rv; - int prev_rv; - struct lm80_data *ret = data; - - mutex_lock(&data->update_lock); - - if (data->error) - lm80_init_client(client); - - if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { - dev_dbg(&client->dev, "Starting lm80 update\n"); - for (i = 0; i <= 6; i++) { - rv = lm80_read_value(client, LM80_REG_IN(i)); - if (rv < 0) - goto abort; - data->in[i] = rv; - - rv = lm80_read_value(client, LM80_REG_IN_MIN(i)); - if (rv < 0) - goto abort; - data->in_min[i] = rv; - - rv = lm80_read_value(client, LM80_REG_IN_MAX(i)); - if (rv < 0) - goto abort; - data->in_max[i] = rv; - } - - rv = lm80_read_value(client, LM80_REG_FAN1); - if (rv < 0) - goto abort; - data->fan[0] = rv; - - rv = lm80_read_value(client, LM80_REG_FAN_MIN(1)); - if (rv < 0) - goto abort; - data->fan_min[0] = rv; - - rv = lm80_read_value(client, LM80_REG_FAN2); - if (rv < 0) - goto abort; - data->fan[1] = rv; - - rv = lm80_read_value(client, LM80_REG_FAN_MIN(2)); - if (rv < 0) - goto abort; - data->fan_min[1] = rv; - - prev_rv = rv = lm80_read_value(client, LM80_REG_TEMP); - if (rv < 0) - goto abort; - rv = lm80_read_value(client, LM80_REG_RES); - if (rv < 0) - goto abort; - data->temp = (prev_rv << 8) | (rv & 0xf0); - - rv = lm80_read_value(client, LM80_REG_TEMP_OS_MAX); - if (rv < 0) - goto abort; - data->temp_os_max = rv; - - rv = lm80_read_value(client, LM80_REG_TEMP_OS_HYST); - if (rv < 0) - goto abort; - data->temp_os_hyst = rv; - - rv = lm80_read_value(client, LM80_REG_TEMP_HOT_MAX); - if (rv < 0) - goto abort; - data->temp_hot_max = rv; - - rv = lm80_read_value(client, LM80_REG_TEMP_HOT_HYST); - if (rv < 0) - goto abort; - data->temp_hot_hyst = rv; - - rv = lm80_read_value(client, LM80_REG_FANDIV); - if (rv < 0) - goto abort; - data->fan_div[0] = (rv >> 2) & 0x03; - data->fan_div[1] = (rv >> 4) & 0x03; - - prev_rv = rv = lm80_read_value(client, LM80_REG_ALARM1); - if (rv < 0) - goto abort; - rv = lm80_read_value(client, LM80_REG_ALARM2); - if (rv < 0) - goto abort; - data->alarms = prev_rv + (rv << 8); - - data->last_updated = jiffies; - data->valid = 1; - data->error = 0; - } - goto done; - -abort: - ret = ERR_PTR(rv); - data->valid = 0; - data->error = 1; +/* + * Driver data (common to all clients) + */ -done: - mutex_unlock(&data->update_lock); +static const struct i2c_device_id lm80_id[] = { + { "lm80", 0 }, + { "lm96080", 1 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, lm80_id); - return ret; -} +static struct i2c_driver lm80_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "lm80", + }, + .probe = lm80_probe, + .id_table = lm80_id, + .detect = lm80_detect, + .address_list = normal_i2c, +}; module_i2c_driver(lm80_driver); diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index e998034f1f1..9e4d0e1d3c4 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -1,7 +1,7 @@ /* * lm83.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <jdelvare@suse.de> * * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is * a sensor chip made by National Semiconductor. It reports up to four @@ -25,10 +25,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -111,45 +107,12 @@ static const u8 LM83_REG_W_HIGH[] = { }; /* - * Functions declaration - */ - -static int lm83_detect(struct i2c_client *new_client, - struct i2c_board_info *info); -static int lm83_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int lm83_remove(struct i2c_client *client); -static struct lm83_data *lm83_update_device(struct device *dev); - -/* - * Driver data (common to all clients) - */ - -static const struct i2c_device_id lm83_id[] = { - { "lm83", lm83 }, - { "lm82", lm82 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, lm83_id); - -static struct i2c_driver lm83_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "lm83", - }, - .probe = lm83_probe, - .remove = lm83_remove, - .id_table = lm83_id, - .detect = lm83_detect, - .address_list = normal_i2c, -}; - -/* * Client data (each client gets its own) */ struct lm83_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[3]; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -161,6 +124,36 @@ struct lm83_data { u16 alarms; /* bitvector, combined */ }; +static struct lm83_data *lm83_update_device(struct device *dev) +{ + struct lm83_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { + int nr; + + dev_dbg(&client->dev, "Updating lm83 data.\n"); + for (nr = 0; nr < 9; nr++) { + data->temp[nr] = + i2c_smbus_read_byte_data(client, + LM83_REG_R_TEMP[nr]); + } + data->alarms = + i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS1) + + (i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS2) + << 8); + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; +} + /* * Sysfs stuff */ @@ -177,8 +170,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm83_data *data = i2c_get_clientdata(client); + struct lm83_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int nr = attr->index; int err; @@ -340,16 +333,15 @@ static int lm83_detect(struct i2c_client *new_client, static int lm83_probe(struct i2c_client *new_client, const struct i2c_device_id *id) { + struct device *hwmon_dev; struct lm83_data *data; - int err; data = devm_kzalloc(&new_client->dev, sizeof(struct lm83_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); - data->valid = 0; + data->client = new_client; mutex_init(&data->update_lock); /* @@ -358,75 +350,40 @@ static int lm83_probe(struct i2c_client *new_client, * at the same register as the LM83 temp3 entry - so we * declare 1 and 3 common, and then 2 and 4 only for the LM83. */ - - err = sysfs_create_group(&new_client->dev.kobj, &lm83_group); - if (err) - return err; - - if (id->driver_data == lm83) { - err = sysfs_create_group(&new_client->dev.kobj, - &lm83_group_opt); - if (err) - goto exit_remove_files; - } - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &lm83_group); - sysfs_remove_group(&new_client->dev.kobj, &lm83_group_opt); - return err; -} - -static int lm83_remove(struct i2c_client *client) -{ - struct lm83_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm83_group); - sysfs_remove_group(&client->dev.kobj, &lm83_group_opt); - - return 0; + data->groups[0] = &lm83_group; + if (id->driver_data == lm83) + data->groups[1] = &lm83_group_opt; + + hwmon_dev = devm_hwmon_device_register_with_groups(&new_client->dev, + new_client->name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } -static struct lm83_data *lm83_update_device(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct lm83_data *data = i2c_get_clientdata(client); - - mutex_lock(&data->update_lock); - - if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { - int nr; - - dev_dbg(&client->dev, "Updating lm83 data.\n"); - for (nr = 0; nr < 9; nr++) { - data->temp[nr] = - i2c_smbus_read_byte_data(client, - LM83_REG_R_TEMP[nr]); - } - data->alarms = - i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS1) - + (i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS2) - << 8); - - data->last_updated = jiffies; - data->valid = 1; - } +/* + * Driver data (common to all clients) + */ - mutex_unlock(&data->update_lock); +static const struct i2c_device_id lm83_id[] = { + { "lm83", lm83 }, + { "lm82", lm82 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, lm83_id); - return data; -} +static struct i2c_driver lm83_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "lm83", + }, + .probe = lm83_probe, + .id_table = lm83_id, + .detect = lm83_detect, + .address_list = normal_i2c, +}; module_i2c_driver(lm83_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("LM83 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 3894c408fda..b0129a54e1a 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -5,7 +5,7 @@ * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> * Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> - * Copyright (C) 2007--2009 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2007--2014 Jean Delvare <jdelvare@suse.de> * * Chip details at <http://www.national.com/ds/LM/LM85.pdf> * @@ -39,7 +39,7 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; enum chips { - any_chip, lm85b, lm85c, + lm85, adm1027, adt7463, adt7468, emc6d100, emc6d102, emc6d103, emc6d103s }; @@ -75,9 +75,6 @@ enum chips { #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 #define LM85_COMPANY_SMSC 0x5c -#define LM85_VERSTEP_VMASK 0xf0 -#define LM85_VERSTEP_GENERIC 0x60 -#define LM85_VERSTEP_GENERIC2 0x70 #define LM85_VERSTEP_LM85C 0x60 #define LM85_VERSTEP_LM85B 0x62 #define LM85_VERSTEP_LM96000_1 0x68 @@ -351,9 +348,9 @@ static const struct i2c_device_id lm85_id[] = { { "adm1027", adm1027 }, { "adt7463", adt7463 }, { "adt7468", adt7468 }, - { "lm85", any_chip }, - { "lm85b", lm85b }, - { "lm85c", lm85c }, + { "lm85", lm85 }, + { "lm85b", lm85 }, + { "lm85c", lm85 }, { "emc6d100", emc6d100 }, { "emc6d101", emc6d100 }, { "emc6d102", emc6d102 }, @@ -1281,7 +1278,7 @@ static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) { struct i2c_adapter *adapter = client->adapter; int address = client->addr; - const char *type_name; + const char *type_name = NULL; int company, verstep; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { @@ -1297,16 +1294,6 @@ static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) "Detecting device at 0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n", address, company, verstep); - /* All supported chips have the version in common */ - if ((verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC && - (verstep & LM85_VERSTEP_VMASK) != LM85_VERSTEP_GENERIC2) { - dev_dbg(&adapter->dev, - "Autodetection failed: unsupported version\n"); - return -ENODEV; - } - type_name = "lm85"; - - /* Now, refine the detection */ if (company == LM85_COMPANY_NATIONAL) { switch (verstep) { case LM85_VERSTEP_LM85C: @@ -1323,6 +1310,7 @@ static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) "Found Winbond WPCD377I, ignoring\n"); return -ENODEV; } + type_name = "lm85"; break; } } else if (company == LM85_COMPANY_ANALOG_DEV) { @@ -1357,12 +1345,11 @@ static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) type_name = "emc6d103s"; break; } - } else { - dev_dbg(&adapter->dev, - "Autodetection failed: unknown vendor\n"); - return -ENODEV; } + if (!type_name) + return -ENODEV; + strlcpy(info->type, type_name, I2C_NAME_SIZE); return 0; diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index 333092ce246..ba1d83d4805 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -5,7 +5,7 @@ * Philip Edelbrock <phil@netroedge.com> * Stephen Rousset <stephen.rousset@rocketlogix.com> * Dan Eaton <dan.eaton@rocketlogix.com> - * Copyright (C) 2004-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004-2008 Jean Delvare <jdelvare@suse.de> * * Original port to Linux 2.6 by Jeff Oliver. * @@ -903,7 +903,6 @@ static int lm87_probe(struct i2c_client *client, const struct i2c_device_id *id) return -ENOMEM; i2c_set_clientdata(client, data); - data->valid = 0; mutex_init(&data->update_lock); /* Initialize the LM87 chip */ @@ -1011,6 +1010,6 @@ static struct i2c_driver lm87_driver = { module_i2c_driver(lm87_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de> and others"); MODULE_DESCRIPTION("LM87 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index cdff7428295..c9ff08dbe10 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -1,7 +1,7 @@ /* * lm90.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2010 Jean Delvare <jdelvare@suse.de> * * Based on the lm83 driver. The LM90 is a sensor chip made by National * Semiconductor. It reports up to two temperatures (its own plus up to @@ -60,6 +60,11 @@ * This driver also supports the G781 from GMT. This device is compatible * with the ADM1032. * + * This driver also supports TMP451 from Texas Instruments. This device is + * supported in both compatibility and extended mode. It's mostly compatible + * with ADT7461 except for local temperature low byte register and max + * conversion rate. + * * Since the LM90 was the first chipset supported by this driver, most * comments will refer to this chipset, but are actually general and * concern all supported chipsets, unless mentioned otherwise. @@ -89,6 +94,8 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> +#include <linux/interrupt.h> +#include <linux/regulator/consumer.h> /* * Addresses to scan @@ -110,7 +117,7 @@ static const unsigned short normal_i2c[] = { 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, - max6646, w83l771, max6696, sa56004, g781 }; + max6646, w83l771, max6696, sa56004, g781, tmp451 }; /* * The LM90 registers @@ -167,6 +174,9 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_DEF_CONVRATE_RVAL 6 /* Def conversion rate register value */ #define LM90_MAX_CONVRATE_MS 16000 /* Maximum conversion rate in ms */ +/* TMP451 registers */ +#define TMP451_REG_R_LOCAL_TEMPL 0x15 + /* * Device flags */ @@ -179,6 +189,23 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */ #define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */ +/* LM90 status */ +#define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */ +#define LM90_STATUS_RTHRM (1 << 1) /* remote THERM limit tripped */ +#define LM90_STATUS_ROPEN (1 << 2) /* remote is an open circuit */ +#define LM90_STATUS_RLOW (1 << 3) /* remote low temp limit tripped */ +#define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ +#define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ +#define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ + +#define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ +#define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ +#define MAX6696_STATUS2_R2LOW (1 << 3) /* remote2 low temp limit tripped */ +#define MAX6696_STATUS2_R2HIGH (1 << 4) /* remote2 high temp limit tripped */ +#define MAX6696_STATUS2_ROT2 (1 << 5) /* remote emergency limit tripped */ +#define MAX6696_STATUS2_R2OT2 (1 << 6) /* remote2 emergency limit tripped */ +#define MAX6696_STATUS2_LOT2 (1 << 7) /* local emergency limit tripped */ + /* * Driver data (common to all clients) */ @@ -205,6 +232,7 @@ static const struct i2c_device_id lm90_id[] = { { "nct1008", adt7461 }, { "w83l771", w83l771 }, { "sa56004", sa56004 }, + { "tmp451", tmp451 }, { } }; MODULE_DEVICE_TABLE(i2c, lm90_id); @@ -278,7 +306,7 @@ static const struct lm90_params lm90_params[] = { [max6696] = { .flags = LM90_HAVE_EMERGENCY | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3, - .alert_alarms = 0x187c, + .alert_alarms = 0x1c7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, @@ -293,6 +321,43 @@ static const struct lm90_params lm90_params[] = { .max_convrate = 9, .reg_local_ext = SA56004_REG_R_LOCAL_TEMPL, }, + [tmp451] = { + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_BROKEN_ALERT, + .alert_alarms = 0x7c, + .max_convrate = 9, + .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, + } +}; + +/* + * TEMP8 register index + */ +enum lm90_temp8_reg_index { + LOCAL_LOW = 0, + LOCAL_HIGH, + LOCAL_CRIT, + REMOTE_CRIT, + LOCAL_EMERG, /* max6659 and max6695/96 */ + REMOTE_EMERG, /* max6659 and max6695/96 */ + REMOTE2_CRIT, /* max6695/96 only */ + REMOTE2_EMERG, /* max6695/96 only */ + TEMP8_REG_NUM +}; + +/* + * TEMP11 register index + */ +enum lm90_temp11_reg_index { + REMOTE_TEMP = 0, + REMOTE_LOW, + REMOTE_HIGH, + REMOTE_OFFSET, /* except max6646, max6657/58/59, and max6695/96 */ + LOCAL_TEMP, + REMOTE2_TEMP, /* max6695/96 only */ + REMOTE2_LOW, /* max6695/96 only */ + REMOTE2_HIGH, /* max6695/96 only */ + TEMP11_REG_NUM }; /* @@ -300,8 +365,11 @@ static const struct lm90_params lm90_params[] = { */ struct lm90_data { + struct i2c_client *client; struct device *hwmon_dev; + const struct attribute_group *groups[6]; struct mutex update_lock; + struct regulator *regulator; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ int kind; @@ -317,25 +385,8 @@ struct lm90_data { u8 reg_local_ext; /* local extension register offset */ /* registers values */ - s8 temp8[8]; /* 0: local low limit - * 1: local high limit - * 2: local critical limit - * 3: remote critical limit - * 4: local emergency limit (max6659 and max6695/96) - * 5: remote emergency limit (max6659 and max6695/96) - * 6: remote 2 critical limit (max6695/96 only) - * 7: remote 2 emergency limit (max6695/96 only) - */ - s16 temp11[8]; /* 0: remote input - * 1: remote low limit - * 2: remote high limit - * 3: remote offset (except max6646, max6657/58/59, - * and max6695/96) - * 4: local input - * 5: remote 2 input (max6695/96 only) - * 6: remote 2 low limit (max6695/96 only) - * 7: remote 2 high limit (max6695/96 only) - */ + s8 temp8[TEMP8_REG_NUM]; + s16 temp11[TEMP11_REG_NUM]; u8 temp_hyst; u16 alarms; /* bitvector (upper 8 bits for max6695/96) */ }; @@ -464,8 +515,8 @@ static void lm90_set_convrate(struct i2c_client *client, struct lm90_data *data, static struct lm90_data *lm90_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm90_data *data = i2c_get_clientdata(client); + struct lm90_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long next_update; mutex_lock(&data->update_lock); @@ -477,37 +528,42 @@ static struct lm90_data *lm90_update_device(struct device *dev) u8 alarms; dev_dbg(&client->dev, "Updating lm90 data.\n"); - lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[0]); - lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[1]); - lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[2]); - lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[3]); + lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, + &data->temp8[LOCAL_LOW]); + lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, + &data->temp8[LOCAL_HIGH]); + lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, + &data->temp8[LOCAL_CRIT]); + lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, + &data->temp8[REMOTE_CRIT]); lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst); if (data->reg_local_ext) { lm90_read16(client, LM90_REG_R_LOCAL_TEMP, data->reg_local_ext, - &data->temp11[4]); + &data->temp11[LOCAL_TEMP]); } else { if (lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &h) == 0) - data->temp11[4] = h << 8; + data->temp11[LOCAL_TEMP] = h << 8; } lm90_read16(client, LM90_REG_R_REMOTE_TEMPH, - LM90_REG_R_REMOTE_TEMPL, &data->temp11[0]); + LM90_REG_R_REMOTE_TEMPL, + &data->temp11[REMOTE_TEMP]); if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h) == 0) { - data->temp11[1] = h << 8; + data->temp11[REMOTE_LOW] = h << 8; if ((data->flags & LM90_HAVE_REM_LIMIT_EXT) && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0) - data->temp11[1] |= l; + data->temp11[REMOTE_LOW] |= l; } if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h) == 0) { - data->temp11[2] = h << 8; + data->temp11[REMOTE_HIGH] = h << 8; if ((data->flags & LM90_HAVE_REM_LIMIT_EXT) && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0) - data->temp11[2] |= l; + data->temp11[REMOTE_HIGH] |= l; } if (data->flags & LM90_HAVE_OFFSET) { @@ -515,13 +571,13 @@ static struct lm90_data *lm90_update_device(struct device *dev) &h) == 0 && lm90_read_reg(client, LM90_REG_R_REMOTE_OFFSL, &l) == 0) - data->temp11[3] = (h << 8) | l; + data->temp11[REMOTE_OFFSET] = (h << 8) | l; } if (data->flags & LM90_HAVE_EMERGENCY) { lm90_read_reg(client, MAX6659_REG_R_LOCAL_EMERG, - &data->temp8[4]); + &data->temp8[LOCAL_EMERG]); lm90_read_reg(client, MAX6659_REG_R_REMOTE_EMERG, - &data->temp8[5]); + &data->temp8[REMOTE_EMERG]); } lm90_read_reg(client, LM90_REG_R_STATUS, &alarms); data->alarms = alarms; /* save as 16 bit value */ @@ -529,15 +585,16 @@ static struct lm90_data *lm90_update_device(struct device *dev) if (data->kind == max6696) { lm90_select_remote_channel(client, data, 1); lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, - &data->temp8[6]); + &data->temp8[REMOTE2_CRIT]); lm90_read_reg(client, MAX6659_REG_R_REMOTE_EMERG, - &data->temp8[7]); + &data->temp8[REMOTE2_EMERG]); lm90_read16(client, LM90_REG_R_REMOTE_TEMPH, - LM90_REG_R_REMOTE_TEMPL, &data->temp11[5]); + LM90_REG_R_REMOTE_TEMPL, + &data->temp11[REMOTE2_TEMP]); if (!lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &h)) - data->temp11[6] = h << 8; + data->temp11[REMOTE2_LOW] = h << 8; if (!lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &h)) - data->temp11[7] = h << 8; + data->temp11[REMOTE2_HIGH] = h << 8; lm90_select_remote_channel(client, data, 0); if (!lm90_read_reg(client, MAX6696_REG_R_STATUS2, @@ -709,7 +766,7 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u8_adt7461(data, data->temp8[attr->index]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[attr->index]); @@ -726,7 +783,7 @@ static ssize_t show_temp8(struct device *dev, struct device_attribute *devattr, static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - static const u8 reg[8] = { + static const u8 reg[TEMP8_REG_NUM] = { LM90_REG_W_LOCAL_LOW, LM90_REG_W_LOCAL_HIGH, LM90_REG_W_LOCAL_CRIT, @@ -738,8 +795,8 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, }; struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm90_data *data = i2c_get_clientdata(client); + struct lm90_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int nr = attr->index; long val; int err; @@ -753,7 +810,7 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr, val -= 16000; mutex_lock(&data->update_lock); - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) data->temp8[nr] = temp_to_u8_adt7461(data, val); else if (data->kind == max6646) data->temp8[nr] = temp_to_u8(val); @@ -775,7 +832,7 @@ static ssize_t show_temp11(struct device *dev, struct device_attribute *devattr, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u16_adt7461(data, data->temp11[attr->index]); else if (data->kind == max6646) temp = temp_from_u16(data->temp11[attr->index]); @@ -805,8 +862,8 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, }; struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); - struct i2c_client *client = to_i2c_client(dev); - struct lm90_data *data = i2c_get_clientdata(client); + struct lm90_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int nr = attr->nr; int index = attr->index; long val; @@ -821,7 +878,7 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr, val -= 16000; mutex_lock(&data->update_lock); - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) data->temp11[index] = temp_to_u16_adt7461(data, val); else if (data->kind == max6646) data->temp11[index] = temp_to_u8(val) << 8; @@ -850,7 +907,7 @@ static ssize_t show_temphyst(struct device *dev, struct lm90_data *data = lm90_update_device(dev); int temp; - if (data->kind == adt7461) + if (data->kind == adt7461 || data->kind == tmp451) temp = temp_from_u8_adt7461(data, data->temp8[attr->index]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[attr->index]); @@ -867,8 +924,8 @@ static ssize_t show_temphyst(struct device *dev, static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm90_data *data = i2c_get_clientdata(client); + struct lm90_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int err; int temp; @@ -878,12 +935,12 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy, return err; mutex_lock(&data->update_lock); - if (data->kind == adt7461) - temp = temp_from_u8_adt7461(data, data->temp8[2]); + if (data->kind == adt7461 || data->kind == tmp451) + temp = temp_from_u8_adt7461(data, data->temp8[LOCAL_CRIT]); else if (data->kind == max6646) - temp = temp_from_u8(data->temp8[2]); + temp = temp_from_u8(data->temp8[LOCAL_CRIT]); else - temp = temp_from_s8(data->temp8[2]); + temp = temp_from_s8(data->temp8[LOCAL_CRIT]); data->temp_hyst = hyst_to_reg(temp - val); i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST, @@ -921,8 +978,8 @@ static ssize_t set_update_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm90_data *data = i2c_get_clientdata(client); + struct lm90_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err; @@ -937,25 +994,28 @@ static ssize_t set_update_interval(struct device *dev, return count; } -static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp11, NULL, 0, 4); -static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp11, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp11, NULL, + 0, LOCAL_TEMP); +static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp11, NULL, + 0, REMOTE_TEMP); static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 0); + set_temp8, LOCAL_LOW); static SENSOR_DEVICE_ATTR_2(temp2_min, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 0, 1); + set_temp11, 0, REMOTE_LOW); static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 1); + set_temp8, LOCAL_HIGH); static SENSOR_DEVICE_ATTR_2(temp2_max, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 1, 2); + set_temp11, 1, REMOTE_HIGH); static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 2); + set_temp8, LOCAL_CRIT); static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 3); + set_temp8, REMOTE_CRIT); static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst, - set_temphyst, 2); -static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 3); + set_temphyst, LOCAL_CRIT); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, + REMOTE_CRIT); static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 2, 3); + set_temp11, 2, REMOTE_OFFSET); /* Individual alarm files */ static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0); @@ -999,17 +1059,26 @@ static const struct attribute_group lm90_group = { .attrs = lm90_attributes, }; +static struct attribute *lm90_temp2_offset_attributes[] = { + &sensor_dev_attr_temp2_offset.dev_attr.attr, + NULL +}; + +static const struct attribute_group lm90_temp2_offset_group = { + .attrs = lm90_temp2_offset_attributes, +}; + /* * Additional attributes for devices with emergency sensors */ static SENSOR_DEVICE_ATTR(temp1_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 4); + set_temp8, LOCAL_EMERG); static SENSOR_DEVICE_ATTR(temp2_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 5); + set_temp8, REMOTE_EMERG); static SENSOR_DEVICE_ATTR(temp1_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 4); + NULL, LOCAL_EMERG); static SENSOR_DEVICE_ATTR(temp2_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 5); + NULL, REMOTE_EMERG); static struct attribute *lm90_emergency_attributes[] = { &sensor_dev_attr_temp1_emergency.dev_attr.attr, @@ -1039,18 +1108,20 @@ static const struct attribute_group lm90_emergency_alarm_group = { /* * Additional attributes for devices with 3 temperature sensors */ -static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp11, NULL, 0, 5); +static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp11, NULL, + 0, REMOTE2_TEMP); static SENSOR_DEVICE_ATTR_2(temp3_min, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 3, 6); + set_temp11, 3, REMOTE2_LOW); static SENSOR_DEVICE_ATTR_2(temp3_max, S_IWUSR | S_IRUGO, show_temp11, - set_temp11, 4, 7); + set_temp11, 4, REMOTE2_HIGH); static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 6); -static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_temphyst, NULL, 6); + set_temp8, REMOTE2_CRIT); +static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO, show_temphyst, NULL, + REMOTE2_CRIT); static SENSOR_DEVICE_ATTR(temp3_emergency, S_IWUSR | S_IRUGO, show_temp8, - set_temp8, 7); + set_temp8, REMOTE2_EMERG); static SENSOR_DEVICE_ATTR(temp3_emergency_hyst, S_IRUGO, show_temphyst, - NULL, 7); + NULL, REMOTE2_EMERG); static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 9); static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 10); @@ -1306,6 +1377,19 @@ static int lm90_detect(struct i2c_client *client, && (config1 & 0x3F) == 0x00 && convrate <= 0x08) name = "g781"; + } else + if (address == 0x4C + && man_id == 0x55) { /* Texas Instruments */ + int local_ext; + + local_ext = i2c_smbus_read_byte_data(client, + TMP451_REG_R_LOCAL_TEMPL); + + if (chip_id == 0x00 /* TMP451 */ + && (config1 & 0x1B) == 0x00 + && convrate <= 0x09 + && (local_ext & 0x0F) == 0x00) + name = "tmp451"; } if (!name) { /* identification failed */ @@ -1320,22 +1404,6 @@ static int lm90_detect(struct i2c_client *client, return 0; } -static void lm90_remove_files(struct i2c_client *client, struct lm90_data *data) -{ - struct device *dev = &client->dev; - - if (data->flags & LM90_HAVE_TEMP3) - sysfs_remove_group(&dev->kobj, &lm90_temp3_group); - if (data->flags & LM90_HAVE_EMERGENCY_ALARM) - sysfs_remove_group(&dev->kobj, &lm90_emergency_alarm_group); - if (data->flags & LM90_HAVE_EMERGENCY) - sysfs_remove_group(&dev->kobj, &lm90_emergency_group); - if (data->flags & LM90_HAVE_OFFSET) - device_remove_file(dev, &sensor_dev_attr_temp2_offset.dev_attr); - device_remove_file(dev, &dev_attr_pec); - sysfs_remove_group(&dev->kobj, &lm90_group); -} - static void lm90_restore_conf(struct i2c_client *client, struct lm90_data *data) { /* Restore initial configuration */ @@ -1345,10 +1413,9 @@ static void lm90_restore_conf(struct i2c_client *client, struct lm90_data *data) data->config_orig); } -static void lm90_init_client(struct i2c_client *client) +static void lm90_init_client(struct i2c_client *client, struct lm90_data *data) { u8 config, convrate; - struct lm90_data *data = i2c_get_clientdata(client); if (lm90_read_reg(client, LM90_REG_R_CONVRATE, &convrate) < 0) { dev_warn(&client->dev, "Failed to read convrate register!\n"); @@ -1367,7 +1434,7 @@ static void lm90_init_client(struct i2c_client *client) data->config_orig = config; /* Check Temperature Range Select */ - if (data->kind == adt7461) { + if (data->kind == adt7461 || data->kind == tmp451) { if (config & 0x04) data->flags |= LM90_FLAG_ADT7461_EXT; } @@ -1391,21 +1458,84 @@ static void lm90_init_client(struct i2c_client *client) i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config); } +static bool lm90_is_tripped(struct i2c_client *client, u16 *status) +{ + struct lm90_data *data = i2c_get_clientdata(client); + u8 st, st2 = 0; + + lm90_read_reg(client, LM90_REG_R_STATUS, &st); + + if (data->kind == max6696) + lm90_read_reg(client, MAX6696_REG_R_STATUS2, &st2); + + *status = st | (st2 << 8); + + if ((st & 0x7f) == 0 && (st2 & 0xfe) == 0) + return false; + + if ((st & (LM90_STATUS_LLOW | LM90_STATUS_LHIGH | LM90_STATUS_LTHRM)) || + (st2 & MAX6696_STATUS2_LOT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 1); + if ((st & (LM90_STATUS_RLOW | LM90_STATUS_RHIGH | LM90_STATUS_RTHRM)) || + (st2 & MAX6696_STATUS2_ROT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 2); + if (st & LM90_STATUS_ROPEN) + dev_warn(&client->dev, + "temp%d diode open, please check!\n", 2); + if (st2 & (MAX6696_STATUS2_R2LOW | MAX6696_STATUS2_R2HIGH | + MAX6696_STATUS2_R2THRM | MAX6696_STATUS2_R2OT2)) + dev_warn(&client->dev, + "temp%d out of range, please check!\n", 3); + if (st2 & MAX6696_STATUS2_R2OPEN) + dev_warn(&client->dev, + "temp%d diode open, please check!\n", 3); + + return true; +} + +static irqreturn_t lm90_irq_thread(int irq, void *dev_id) +{ + struct i2c_client *client = dev_id; + u16 status; + + if (lm90_is_tripped(client, &status)) + return IRQ_HANDLED; + else + return IRQ_NONE; +} + static int lm90_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct i2c_adapter *adapter = to_i2c_adapter(dev->parent); struct lm90_data *data; + struct regulator *regulator; + int groups = 0; int err; - data = devm_kzalloc(&client->dev, sizeof(struct lm90_data), GFP_KERNEL); + regulator = devm_regulator_get(dev, "vcc"); + if (IS_ERR(regulator)) + return PTR_ERR(regulator); + + err = regulator_enable(regulator); + if (err < 0) { + dev_err(dev, "Failed to enable regulator: %d\n", err); + return err; + } + + data = devm_kzalloc(dev, sizeof(struct lm90_data), GFP_KERNEL); if (!data) return -ENOMEM; + data->client = client; i2c_set_clientdata(client, data); mutex_init(&data->update_lock); + data->regulator = regulator; + /* Set the device type */ data->kind = id->driver_data; if (data->kind == adm1032) { @@ -1427,52 +1557,58 @@ static int lm90_probe(struct i2c_client *client, data->max_convrate = lm90_params[data->kind].max_convrate; /* Initialize the LM90 chip */ - lm90_init_client(client); + lm90_init_client(client, data); /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &lm90_group); - if (err) - goto exit_restore; + data->groups[groups++] = &lm90_group; + + if (data->flags & LM90_HAVE_OFFSET) + data->groups[groups++] = &lm90_temp2_offset_group; + + if (data->flags & LM90_HAVE_EMERGENCY) + data->groups[groups++] = &lm90_emergency_group; + + if (data->flags & LM90_HAVE_EMERGENCY_ALARM) + data->groups[groups++] = &lm90_emergency_alarm_group; + + if (data->flags & LM90_HAVE_TEMP3) + data->groups[groups++] = &lm90_temp3_group; + if (client->flags & I2C_CLIENT_PEC) { err = device_create_file(dev, &dev_attr_pec); if (err) - goto exit_remove_files; - } - if (data->flags & LM90_HAVE_OFFSET) { - err = device_create_file(dev, - &sensor_dev_attr_temp2_offset.dev_attr); - if (err) - goto exit_remove_files; - } - if (data->flags & LM90_HAVE_EMERGENCY) { - err = sysfs_create_group(&dev->kobj, &lm90_emergency_group); - if (err) - goto exit_remove_files; - } - if (data->flags & LM90_HAVE_EMERGENCY_ALARM) { - err = sysfs_create_group(&dev->kobj, - &lm90_emergency_alarm_group); - if (err) - goto exit_remove_files; - } - if (data->flags & LM90_HAVE_TEMP3) { - err = sysfs_create_group(&dev->kobj, &lm90_temp3_group); - if (err) - goto exit_remove_files; + goto exit_restore; } - data->hwmon_dev = hwmon_device_register(dev); + data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name, + data, data->groups); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; + goto exit_remove_pec; + } + + if (client->irq) { + dev_dbg(dev, "IRQ: %d\n", client->irq); + err = devm_request_threaded_irq(dev, client->irq, + NULL, lm90_irq_thread, + IRQF_TRIGGER_LOW | IRQF_ONESHOT, + "lm90", client); + if (err < 0) { + dev_err(dev, "cannot request IRQ %d\n", client->irq); + goto exit_unregister; + } } return 0; -exit_remove_files: - lm90_remove_files(client, data); +exit_unregister: + hwmon_device_unregister(data->hwmon_dev); +exit_remove_pec: + device_remove_file(dev, &dev_attr_pec); exit_restore: lm90_restore_conf(client, data); + regulator_disable(data->regulator); + return err; } @@ -1481,51 +1617,35 @@ static int lm90_remove(struct i2c_client *client) struct lm90_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); - lm90_remove_files(client, data); + device_remove_file(&client->dev, &dev_attr_pec); lm90_restore_conf(client, data); + regulator_disable(data->regulator); return 0; } static void lm90_alert(struct i2c_client *client, unsigned int flag) { - struct lm90_data *data = i2c_get_clientdata(client); - u8 config, alarms, alarms2 = 0; - - lm90_read_reg(client, LM90_REG_R_STATUS, &alarms); - - if (data->kind == max6696) - lm90_read_reg(client, MAX6696_REG_R_STATUS2, &alarms2); - - if ((alarms & 0x7f) == 0 && (alarms2 & 0xfe) == 0) { - dev_info(&client->dev, "Everything OK\n"); - } else { - if (alarms & 0x61) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 1); - if (alarms & 0x1a) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 2); - if (alarms & 0x04) - dev_warn(&client->dev, - "temp%d diode open, please check!\n", 2); - - if (alarms2 & 0x18) - dev_warn(&client->dev, - "temp%d out of range, please check!\n", 3); + u16 alarms; + if (lm90_is_tripped(client, &alarms)) { /* * Disable ALERT# output, because these chips don't implement * SMBus alert correctly; they should only hold the alert line * low briefly. */ + struct lm90_data *data = i2c_get_clientdata(client); + if ((data->flags & LM90_HAVE_BROKEN_ALERT) && (alarms & data->alert_alarms)) { + u8 config; dev_dbg(&client->dev, "Disabling ALERT#\n"); lm90_read_reg(client, LM90_REG_R_CONFIG1, &config); i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config | 0x80); } + } else { + dev_info(&client->dev, "Everything OK\n"); } } @@ -1544,6 +1664,6 @@ static struct i2c_driver lm90_driver = { module_i2c_driver(lm90_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("LM90/ADM1032 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index 71626f3c874..d2060e245ff 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -1,6 +1,6 @@ /* * lm92 - Hardware monitoring driver - * Copyright (C) 2005-2008 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2008 Jean Delvare <jdelvare@suse.de> * * Based on the lm90 driver, with some ideas taken from the lm_sensors * lm92 driver as well. @@ -34,10 +34,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -93,46 +89,53 @@ static inline u8 ALARMS_FROM_REG(s16 reg) return reg & 0x0007; } -/* Driver data (common to all clients) */ -static struct i2c_driver lm92_driver; +enum temp_index { + t_input, + t_crit, + t_min, + t_max, + t_hyst, + t_num_regs +}; + +static const u8 regs[t_num_regs] = { + [t_input] = LM92_REG_TEMP, + [t_crit] = LM92_REG_TEMP_CRIT, + [t_min] = LM92_REG_TEMP_LOW, + [t_max] = LM92_REG_TEMP_HIGH, + [t_hyst] = LM92_REG_TEMP_HYST, +}; /* Client data (each client gets its own) */ struct lm92_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ /* registers values */ - s16 temp1_input, temp1_crit, temp1_min, temp1_max, temp1_hyst; + s16 temp[t_num_regs]; /* index with enum temp_index */ }; - /* * Sysfs attributes and callback functions */ static struct lm92_data *lm92_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm92_data *data = i2c_get_clientdata(client); + struct lm92_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int i; mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { dev_dbg(&client->dev, "Updating lm92 data\n"); - data->temp1_input = i2c_smbus_read_word_swapped(client, - LM92_REG_TEMP); - data->temp1_hyst = i2c_smbus_read_word_swapped(client, - LM92_REG_TEMP_HYST); - data->temp1_crit = i2c_smbus_read_word_swapped(client, - LM92_REG_TEMP_CRIT); - data->temp1_min = i2c_smbus_read_word_swapped(client, - LM92_REG_TEMP_LOW); - data->temp1_max = i2c_smbus_read_word_swapped(client, - LM92_REG_TEMP_HIGH); - + for (i = 0; i < t_num_regs; i++) { + data->temp[i] = + i2c_smbus_read_word_swapped(client, regs[i]); + } data->last_updated = jiffies; data->valid = 1; } @@ -142,68 +145,60 @@ static struct lm92_data *lm92_update_device(struct device *dev) return data; } -#define show_temp(value) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - struct lm92_data *data = lm92_update_device(dev); \ - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \ -} -show_temp(temp1_input); -show_temp(temp1_crit); -show_temp(temp1_min); -show_temp(temp1_max); - -#define set_temp(value, reg) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct lm92_data *data = i2c_get_clientdata(client); \ - long val; \ - int err = kstrtol(buf, 10, &val); \ - if (err) \ - return err; \ -\ - mutex_lock(&data->update_lock); \ - data->value = TEMP_TO_REG(val); \ - i2c_smbus_write_word_swapped(client, reg, data->value); \ - mutex_unlock(&data->update_lock); \ - return count; \ +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm92_data *data = lm92_update_device(dev); + + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); } -set_temp(temp1_crit, LM92_REG_TEMP_CRIT); -set_temp(temp1_min, LM92_REG_TEMP_LOW); -set_temp(temp1_max, LM92_REG_TEMP_HIGH); -static ssize_t show_temp1_crit_hyst(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) { - struct lm92_data *data = lm92_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_crit) - - TEMP_FROM_REG(data->temp1_hyst)); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm92_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int nr = attr->index; + long val; + int err; + + err = kstrtol(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->temp[nr] = TEMP_TO_REG(val); + i2c_smbus_write_word_swapped(client, regs[nr], data->temp[nr]); + mutex_unlock(&data->update_lock); + return count; } -static ssize_t show_temp1_max_hyst(struct device *dev, - struct device_attribute *attr, char *buf) + +static ssize_t show_temp_hyst(struct device *dev, + struct device_attribute *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct lm92_data *data = lm92_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_max) - - TEMP_FROM_REG(data->temp1_hyst)); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]) + - TEMP_FROM_REG(data->temp[t_hyst])); } -static ssize_t show_temp1_min_hyst(struct device *dev, - struct device_attribute *attr, char *buf) + +static ssize_t show_temp_min_hyst(struct device *dev, + struct device_attribute *attr, char *buf) { struct lm92_data *data = lm92_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_min) - + TEMP_FROM_REG(data->temp1_hyst)); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[t_min]) + + TEMP_FROM_REG(data->temp[t_hyst])); } -static ssize_t set_temp1_crit_hyst(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_temp_hyst(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm92_data *data = i2c_get_clientdata(client); + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm92_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; int err; @@ -212,9 +207,9 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, return err; mutex_lock(&data->update_lock); - data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val; + data->temp[t_hyst] = TEMP_FROM_REG(data->temp[attr->index]) - val; i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST, - TEMP_TO_REG(data->temp1_hyst)); + TEMP_TO_REG(data->temp[t_hyst])); mutex_unlock(&data->update_lock); return count; } @@ -223,7 +218,7 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct lm92_data *data = lm92_update_device(dev); - return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input)); + return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp[t_input])); } static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, @@ -231,26 +226,25 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, { int bitnr = to_sensor_dev_attr(attr)->index; struct lm92_data *data = lm92_update_device(dev); - return sprintf(buf, "%d\n", (data->temp1_input >> bitnr) & 1); + return sprintf(buf, "%d\n", (data->temp[t_input] >> bitnr) & 1); } -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL); -static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp1_crit, - set_temp1_crit); -static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp1_crit_hyst, - set_temp1_crit_hyst); -static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp1_min, - set_temp1_min); -static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp1_min_hyst, NULL); -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_max, - set_temp1_max); -static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp1_max_hyst, NULL); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input); +static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_crit); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst, + set_temp_hyst, t_crit); +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_min); +static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp_min_hyst, NULL); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_max); +static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_hyst, NULL, t_max); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1); - /* * Detection and registration */ @@ -322,24 +316,21 @@ static int max6635_check(struct i2c_client *client) return 1; } -static struct attribute *lm92_attributes[] = { - &dev_attr_temp1_input.attr, - &dev_attr_temp1_crit.attr, - &dev_attr_temp1_crit_hyst.attr, - &dev_attr_temp1_min.attr, +static struct attribute *lm92_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, &dev_attr_temp1_min_hyst.attr, - &dev_attr_temp1_max.attr, - &dev_attr_temp1_max_hyst.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &dev_attr_alarms.attr, &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, &sensor_dev_attr_temp1_min_alarm.dev_attr.attr, &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group lm92_group = { - .attrs = lm92_attributes, -}; +ATTRIBUTE_GROUPS(lm92); /* Return 0 if detection is successful, -ENODEV otherwise */ static int lm92_detect(struct i2c_client *new_client, @@ -371,47 +362,24 @@ static int lm92_detect(struct i2c_client *new_client, static int lm92_probe(struct i2c_client *new_client, const struct i2c_device_id *id) { + struct device *hwmon_dev; struct lm92_data *data; - int err; data = devm_kzalloc(&new_client->dev, sizeof(struct lm92_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); - data->valid = 0; + data->client = new_client; mutex_init(&data->update_lock); /* Initialize the chipset */ lm92_init_client(new_client); - /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &lm92_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } - - return 0; - -exit_remove: - sysfs_remove_group(&new_client->dev.kobj, &lm92_group); - return err; -} - -static int lm92_remove(struct i2c_client *client) -{ - struct lm92_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm92_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(&new_client->dev, + new_client->name, + data, lm92_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } @@ -432,7 +400,6 @@ static struct i2c_driver lm92_driver = { .name = "lm92", }, .probe = lm92_probe, - .remove = lm92_remove, .id_table = lm92_id, .detect = lm92_detect, .address_list = normal_i2c, @@ -440,6 +407,6 @@ static struct i2c_driver lm92_driver = { module_i2c_driver(lm92_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("LM92/MAX6635 driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm93.c b/drivers/hwmon/lm93.c index a6f46058b1b..6c2df576f25 100644 --- a/drivers/hwmon/lm93.c +++ b/drivers/hwmon/lm93.c @@ -12,7 +12,7 @@ * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> * * derived in part from w83l785ts.c: - * Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org> + * Copyright (c) 2003-2004 Jean Delvare <jdelvare@suse.de> * * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com> * Copyright (c) 2005 Aspen Systems, Inc. @@ -2747,14 +2747,11 @@ static int lm93_probe(struct i2c_client *client, } data = devm_kzalloc(&client->dev, sizeof(struct lm93_data), GFP_KERNEL); - if (!data) { - dev_dbg(&client->dev, "out of memory!\n"); + if (!data) return -ENOMEM; - } i2c_set_clientdata(client, data); /* housekeeping */ - data->valid = 0; data->update = update; mutex_init(&data->update_lock); diff --git a/drivers/hwmon/lm95234.c b/drivers/hwmon/lm95234.c index 307c9eaeeb9..411202bdaf6 100644 --- a/drivers/hwmon/lm95234.c +++ b/drivers/hwmon/lm95234.c @@ -57,7 +57,7 @@ static const unsigned short normal_i2c[] = { 0x18, 0x4d, 0x4e, I2C_CLIENT_END }; /* Client data (each client gets its own) */ struct lm95234_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; unsigned long last_updated, interval; /* in jiffies */ bool valid; /* false until following fields are valid */ @@ -114,9 +114,9 @@ static u16 update_intervals[] = { 143, 364, 1000, 2500 }; /* Fill value cache. Must be called with update lock held. */ -static int lm95234_fill_cache(struct i2c_client *client) +static int lm95234_fill_cache(struct lm95234_data *data, + struct i2c_client *client) { - struct lm95234_data *data = i2c_get_clientdata(client); int i, ret; ret = i2c_smbus_read_byte_data(client, LM95234_REG_CONVRATE); @@ -157,9 +157,9 @@ static int lm95234_fill_cache(struct i2c_client *client) return 0; } -static int lm95234_update_device(struct i2c_client *client, - struct lm95234_data *data) +static int lm95234_update_device(struct lm95234_data *data) { + struct i2c_client *client = data->client; int ret; mutex_lock(&data->update_lock); @@ -169,7 +169,7 @@ static int lm95234_update_device(struct i2c_client *client, int i; if (!data->valid) { - ret = lm95234_fill_cache(client); + ret = lm95234_fill_cache(data, client); if (ret < 0) goto abort; } @@ -209,10 +209,9 @@ abort: static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -224,10 +223,9 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); u32 mask = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -238,10 +236,9 @@ static ssize_t show_alarm(struct device *dev, static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); u8 mask = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -252,11 +249,10 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, static ssize_t set_type(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); unsigned long val; u8 mask = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -274,7 +270,7 @@ static ssize_t set_type(struct device *dev, struct device_attribute *attr, else data->sensor_type &= ~mask; data->valid = false; - i2c_smbus_write_byte_data(client, LM95234_REG_REM_MODEL, + i2c_smbus_write_byte_data(data->client, LM95234_REG_REM_MODEL, data->sensor_type); mutex_unlock(&data->update_lock); @@ -284,10 +280,9 @@ static ssize_t set_type(struct device *dev, struct device_attribute *attr, static ssize_t show_tcrit2(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -298,11 +293,10 @@ static ssize_t show_tcrit2(struct device *dev, struct device_attribute *attr, static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; long val; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -315,7 +309,7 @@ static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->tcrit2[index] = val; - i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT2(index), val); + i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT2(index), val); mutex_unlock(&data->update_lock); return count; @@ -324,10 +318,9 @@ static ssize_t set_tcrit2(struct device *dev, struct device_attribute *attr, static ssize_t show_tcrit2_hyst(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -340,8 +333,7 @@ static ssize_t show_tcrit2_hyst(struct device *dev, static ssize_t show_tcrit1(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; return sprintf(buf, "%u", data->tcrit1[index] * 1000); @@ -350,11 +342,10 @@ static ssize_t show_tcrit1(struct device *dev, struct device_attribute *attr, static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; + int ret = lm95234_update_device(data); long val; - int ret = lm95234_update_device(client, data); if (ret) return ret; @@ -367,7 +358,7 @@ static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->tcrit1[index] = val; - i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT1(index), val); + i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT1(index), val); mutex_unlock(&data->update_lock); return count; @@ -376,10 +367,9 @@ static ssize_t set_tcrit1(struct device *dev, struct device_attribute *attr, static ssize_t show_tcrit1_hyst(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -393,11 +383,10 @@ static ssize_t set_tcrit1_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; + int ret = lm95234_update_device(data); long val; - int ret = lm95234_update_device(client, data); if (ret) return ret; @@ -411,7 +400,7 @@ static ssize_t set_tcrit1_hyst(struct device *dev, mutex_lock(&data->update_lock); data->thyst = val; - i2c_smbus_write_byte_data(client, LM95234_REG_TCRIT_HYST, val); + i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT_HYST, val); mutex_unlock(&data->update_lock); return count; @@ -420,10 +409,9 @@ static ssize_t set_tcrit1_hyst(struct device *dev, static ssize_t show_offset(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; - int ret = lm95234_update_device(client, data); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -434,11 +422,10 @@ static ssize_t show_offset(struct device *dev, struct device_attribute *attr, static ssize_t set_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; + int ret = lm95234_update_device(data); long val; - int ret = lm95234_update_device(client, data); if (ret) return ret; @@ -452,7 +439,7 @@ static ssize_t set_offset(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->toffset[index] = val; - i2c_smbus_write_byte_data(client, LM95234_REG_OFFSET(index), val); + i2c_smbus_write_byte_data(data->client, LM95234_REG_OFFSET(index), val); mutex_unlock(&data->update_lock); return count; @@ -461,9 +448,8 @@ static ssize_t set_offset(struct device *dev, struct device_attribute *attr, static ssize_t show_interval(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); - int ret = lm95234_update_device(client, data); + struct lm95234_data *data = dev_get_drvdata(dev); + int ret = lm95234_update_device(data); if (ret) return ret; @@ -475,11 +461,10 @@ static ssize_t show_interval(struct device *dev, struct device_attribute *attr, static ssize_t set_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95234_data *data = i2c_get_clientdata(client); + struct lm95234_data *data = dev_get_drvdata(dev); + int ret = lm95234_update_device(data); unsigned long val; u8 regval; - int ret = lm95234_update_device(client, data); if (ret) return ret; @@ -495,7 +480,7 @@ static ssize_t set_interval(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->interval = msecs_to_jiffies(update_intervals[regval]); - i2c_smbus_write_byte_data(client, LM95234_REG_CONVRATE, regval); + i2c_smbus_write_byte_data(data->client, LM95234_REG_CONVRATE, regval); mutex_unlock(&data->update_lock); return count; @@ -579,7 +564,7 @@ static SENSOR_DEVICE_ATTR(temp5_offset, S_IWUSR | S_IRUGO, show_offset, static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval, set_interval); -static struct attribute *lm95234_attributes[] = { +static struct attribute *lm95234_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, @@ -621,10 +606,7 @@ static struct attribute *lm95234_attributes[] = { &dev_attr_update_interval.attr, NULL }; - -static const struct attribute_group lm95234_group = { - .attrs = lm95234_attributes, -}; +ATTRIBUTE_GROUPS(lm95234); static int lm95234_detect(struct i2c_client *client, struct i2c_board_info *info) @@ -701,13 +683,14 @@ static int lm95234_probe(struct i2c_client *client, { struct device *dev = &client->dev; struct lm95234_data *data; + struct device *hwmon_dev; int err; data = devm_kzalloc(dev, sizeof(struct lm95234_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the LM95234 chip */ @@ -715,32 +698,10 @@ static int lm95234_probe(struct i2c_client *client, if (err < 0) return err; - /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &lm95234_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 exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&dev->kobj, &lm95234_group); - return err; -} - -static int lm95234_remove(struct i2c_client *client) -{ - struct lm95234_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm95234_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + lm95234_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* Driver data (common to all clients) */ @@ -756,7 +717,6 @@ static struct i2c_driver lm95234_driver = { .name = DRVNAME, }, .probe = lm95234_probe, - .remove = lm95234_remove, .id_table = lm95234_id, .detect = lm95234_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index 4b68fb2a31d..cdf19adaec7 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -89,7 +89,7 @@ static const u8 lm95241_reg_address[] = { /* Client data (each client gets its own) */ struct lm95241_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; unsigned long last_updated, interval; /* in jiffies */ char valid; /* zero until following fields are valid */ @@ -113,8 +113,8 @@ static int temp_from_reg_unsigned(u8 val_h, u8 val_l) static struct lm95241_data *lm95241_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); @@ -122,7 +122,7 @@ static struct lm95241_data *lm95241_update_device(struct device *dev) !data->valid) { int i; - dev_dbg(&client->dev, "Updating lm95241 data.\n"); + dev_dbg(dev, "Updating lm95241 data.\n"); for (i = 0; i < ARRAY_SIZE(lm95241_reg_address); i++) data->temp[i] = i2c_smbus_read_byte_data(client, @@ -153,8 +153,7 @@ static ssize_t show_input(struct device *dev, struct device_attribute *attr, static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE - 1, data->model & to_sensor_dev_attr(attr)->index ? "1\n" : "2\n"); @@ -163,8 +162,8 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, static ssize_t set_type(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int shift; u8 mask = to_sensor_dev_attr(attr)->index; @@ -201,8 +200,7 @@ static ssize_t set_type(struct device *dev, struct device_attribute *attr, static ssize_t show_min(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE - 1, data->config & to_sensor_dev_attr(attr)->index ? @@ -212,8 +210,7 @@ static ssize_t show_min(struct device *dev, struct device_attribute *attr, static ssize_t set_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); long val; if (kstrtol(buf, 10, &val) < 0) @@ -229,7 +226,8 @@ static ssize_t set_min(struct device *dev, struct device_attribute *attr, data->config &= ~to_sensor_dev_attr(attr)->index; data->valid = 0; - i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG, data->config); + i2c_smbus_write_byte_data(data->client, LM95241_REG_RW_CONFIG, + data->config); mutex_unlock(&data->update_lock); @@ -239,8 +237,7 @@ static ssize_t set_min(struct device *dev, struct device_attribute *attr, static ssize_t show_max(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE - 1, data->config & to_sensor_dev_attr(attr)->index ? @@ -250,8 +247,7 @@ static ssize_t show_max(struct device *dev, struct device_attribute *attr, static ssize_t set_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); long val; if (kstrtol(buf, 10, &val) < 0) @@ -267,7 +263,8 @@ static ssize_t set_max(struct device *dev, struct device_attribute *attr, data->config &= ~to_sensor_dev_attr(attr)->index; data->valid = 0; - i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG, data->config); + i2c_smbus_write_byte_data(data->client, LM95241_REG_RW_CONFIG, + data->config); mutex_unlock(&data->update_lock); @@ -286,8 +283,7 @@ static ssize_t show_interval(struct device *dev, struct device_attribute *attr, static ssize_t set_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95241_data *data = i2c_get_clientdata(client); + struct lm95241_data *data = dev_get_drvdata(dev); unsigned long val; if (kstrtoul(buf, 10, &val) < 0) @@ -316,7 +312,7 @@ static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max, set_max, static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval, set_interval); -static struct attribute *lm95241_attributes[] = { +static struct attribute *lm95241_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, @@ -329,10 +325,7 @@ static struct attribute *lm95241_attributes[] = { &dev_attr_update_interval.attr, NULL }; - -static const struct attribute_group lm95241_group = { - .attrs = lm95241_attributes, -}; +ATTRIBUTE_GROUPS(lm95241); /* Return 0 if detection is successful, -ENODEV otherwise */ static int lm95241_detect(struct i2c_client *new_client, @@ -366,14 +359,11 @@ static int lm95241_detect(struct i2c_client *new_client, return 0; } -static void lm95241_init_client(struct i2c_client *client) +static void lm95241_init_client(struct i2c_client *client, + struct lm95241_data *data) { - struct lm95241_data *data = i2c_get_clientdata(client); - data->interval = HZ; /* 1 sec default */ - data->valid = 0; data->config = CFG_CR0076; - data->model = 0; data->trutherm = (TT_OFF << TT1_SHIFT) | (TT_OFF << TT2_SHIFT); i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG, data->config); @@ -385,49 +375,27 @@ static void lm95241_init_client(struct i2c_client *client) data->model); } -static int lm95241_probe(struct i2c_client *new_client, +static int lm95241_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct lm95241_data *data; - int err; + struct device *hwmon_dev; - data = devm_kzalloc(&new_client->dev, sizeof(struct lm95241_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm95241_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the LM95241 chip */ - lm95241_init_client(new_client); + lm95241_init_client(client, data); - /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &lm95241_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &lm95241_group); - return err; -} - -static int lm95241_remove(struct i2c_client *client) -{ - struct lm95241_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm95241_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + lm95241_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* Driver data (common to all clients) */ @@ -444,7 +412,6 @@ static struct i2c_driver lm95241_driver = { .name = DEVNAME, }, .probe = lm95241_probe, - .remove = lm95241_remove, .id_table = lm95241_id, .detect = lm95241_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/lm95245.c b/drivers/hwmon/lm95245.c index a6c85f0ff8f..0ae0dfdafdf 100644 --- a/drivers/hwmon/lm95245.c +++ b/drivers/hwmon/lm95245.c @@ -115,7 +115,7 @@ static const u8 lm95245_reg_address[] = { /* Client data (each client gets its own) */ struct lm95245_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; unsigned long last_updated; /* in jiffies */ unsigned long interval; /* in msecs */ @@ -140,8 +140,8 @@ static int temp_from_reg_signed(u8 val_h, u8 val_l) static struct lm95245_data *lm95245_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); @@ -149,7 +149,6 @@ static struct lm95245_data *lm95245_update_device(struct device *dev) + msecs_to_jiffies(data->interval)) || !data->valid) { int i; - dev_dbg(&client->dev, "Updating lm95245 data.\n"); for (i = 0; i < ARRAY_SIZE(lm95245_reg_address); i++) data->regs[i] = i2c_smbus_read_byte_data(client, @@ -249,9 +248,9 @@ static ssize_t show_limit(struct device *dev, struct device_attribute *attr, static ssize_t set_limit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = data->client; unsigned long val; if (kstrtoul(buf, 10, &val) < 0) @@ -272,27 +271,38 @@ static ssize_t set_limit(struct device *dev, struct device_attribute *attr, return count; } +static ssize_t show_crit_hyst(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct lm95245_data *data = lm95245_update_device(dev); + int index = to_sensor_dev_attr(attr)->index; + int hyst = data->regs[index] - data->regs[8]; + + return snprintf(buf, PAGE_SIZE - 1, "%d\n", hyst * 1000); +} + static ssize_t set_crit_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); + int index = to_sensor_dev_attr(attr)->index; + struct i2c_client *client = data->client; unsigned long val; + int hyst, limit; if (kstrtoul(buf, 10, &val) < 0) return -EINVAL; - val /= 1000; - - val = clamp_val(val, 0, 31); - mutex_lock(&data->update_lock); - data->valid = 0; + limit = i2c_smbus_read_byte_data(client, lm95245_reg_address[index]); + hyst = limit - val / 1000; + hyst = clamp_val(hyst, 0, 31); + data->regs[8] = hyst; /* shared crit hysteresis */ i2c_smbus_write_byte_data(client, LM95245_REG_RW_COMMON_HYSTERESIS, - val); + hyst); mutex_unlock(&data->update_lock); @@ -302,8 +312,7 @@ static ssize_t set_crit_hyst(struct device *dev, struct device_attribute *attr, static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE - 1, data->config2 & CFG2_REMOTE_TT ? "1\n" : "2\n"); @@ -312,8 +321,8 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, static ssize_t set_type(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; if (kstrtoul(buf, 10, &val) < 0) @@ -359,8 +368,8 @@ static ssize_t show_interval(struct device *dev, struct device_attribute *attr, static ssize_t set_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct lm95245_data *data = i2c_get_clientdata(client); + struct lm95245_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; if (kstrtoul(buf, 10, &val) < 0) @@ -378,16 +387,15 @@ static ssize_t set_interval(struct device *dev, struct device_attribute *attr, static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_input, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_limit, set_limit, 6); -static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_limit, - set_crit_hyst, 8); +static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_crit_hyst, + set_crit_hyst, 6); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, STATUS1_LOC); static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_input, NULL, 2); static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_limit, set_limit, 7); -static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_limit, - set_crit_hyst, 8); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_crit_hyst, NULL, 7); static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, STATUS1_RTCRIT); static SENSOR_DEVICE_ATTR(temp2_type, S_IWUSR | S_IRUGO, show_type, @@ -398,7 +406,7 @@ static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval, set_interval); -static struct attribute *lm95245_attributes[] = { +static struct attribute *lm95245_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_crit.dev_attr.attr, &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, @@ -412,10 +420,7 @@ static struct attribute *lm95245_attributes[] = { &dev_attr_update_interval.attr, NULL }; - -static const struct attribute_group lm95245_group = { - .attrs = lm95245_attributes, -}; +ATTRIBUTE_GROUPS(lm95245); /* Return 0 if detection is successful, -ENODEV otherwise */ static int lm95245_detect(struct i2c_client *new_client, @@ -436,11 +441,9 @@ static int lm95245_detect(struct i2c_client *new_client, return 0; } -static void lm95245_init_client(struct i2c_client *client) +static void lm95245_init_client(struct i2c_client *client, + struct lm95245_data *data) { - struct lm95245_data *data = i2c_get_clientdata(client); - - data->valid = 0; data->interval = lm95245_read_conversion_rate(client); data->config1 = i2c_smbus_read_byte_data(client, @@ -456,49 +459,27 @@ static void lm95245_init_client(struct i2c_client *client) } } -static int lm95245_probe(struct i2c_client *new_client, +static int lm95245_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct lm95245_data *data; - int err; + struct device *hwmon_dev; - data = devm_kzalloc(&new_client->dev, sizeof(struct lm95245_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct lm95245_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the LM95245 chip */ - lm95245_init_client(new_client); - - /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &lm95245_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &lm95245_group); - return err; -} + lm95245_init_client(client, data); -static int lm95245_remove(struct i2c_client *client) -{ - struct lm95245_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &lm95245_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + lm95245_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* Driver data (common to all clients) */ @@ -514,7 +495,6 @@ static struct i2c_driver lm95245_driver = { .name = DEVNAME, }, .probe = lm95245_probe, - .remove = lm95245_remove, .id_table = lm95245_id, .detect = lm95245_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/ltc2945.c b/drivers/hwmon/ltc2945.c new file mode 100644 index 00000000000..3701b329b6a --- /dev/null +++ b/drivers/hwmon/ltc2945.c @@ -0,0 +1,519 @@ +/* + * Driver for Linear Technology LTC2945 I2C Power Monitor + * + * Copyright (c) 2014 Guenter Roeck + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/jiffies.h> +#include <linux/regmap.h> + +/* chip registers */ +#define LTC2945_CONTROL 0x00 +#define LTC2945_ALERT 0x01 +#define LTC2945_STATUS 0x02 +#define LTC2945_FAULT 0x03 +#define LTC2945_POWER_H 0x05 +#define LTC2945_MAX_POWER_H 0x08 +#define LTC2945_MIN_POWER_H 0x0b +#define LTC2945_MAX_POWER_THRES_H 0x0e +#define LTC2945_MIN_POWER_THRES_H 0x11 +#define LTC2945_SENSE_H 0x14 +#define LTC2945_MAX_SENSE_H 0x16 +#define LTC2945_MIN_SENSE_H 0x18 +#define LTC2945_MAX_SENSE_THRES_H 0x1a +#define LTC2945_MIN_SENSE_THRES_H 0x1c +#define LTC2945_VIN_H 0x1e +#define LTC2945_MAX_VIN_H 0x20 +#define LTC2945_MIN_VIN_H 0x22 +#define LTC2945_MAX_VIN_THRES_H 0x24 +#define LTC2945_MIN_VIN_THRES_H 0x26 +#define LTC2945_ADIN_H 0x28 +#define LTC2945_MAX_ADIN_H 0x2a +#define LTC2945_MIN_ADIN_H 0x2c +#define LTC2945_MAX_ADIN_THRES_H 0x2e +#define LTC2945_MIN_ADIN_THRES_H 0x30 +#define LTC2945_MIN_ADIN_THRES_L 0x31 + +/* Fault register bits */ + +#define FAULT_ADIN_UV (1 << 0) +#define FAULT_ADIN_OV (1 << 1) +#define FAULT_VIN_UV (1 << 2) +#define FAULT_VIN_OV (1 << 3) +#define FAULT_SENSE_UV (1 << 4) +#define FAULT_SENSE_OV (1 << 5) +#define FAULT_POWER_UV (1 << 6) +#define FAULT_POWER_OV (1 << 7) + +/* Control register bits */ + +#define CONTROL_MULT_SELECT (1 << 0) +#define CONTROL_TEST_MODE (1 << 4) + +static inline bool is_power_reg(u8 reg) +{ + return reg < LTC2945_SENSE_H; +} + +/* Return the value from the given register in uW, mV, or mA */ +static long long ltc2945_reg_to_val(struct device *dev, u8 reg) +{ + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int control; + u8 buf[3]; + long long val; + int ret; + + ret = regmap_bulk_read(regmap, reg, buf, + is_power_reg(reg) ? 3 : 2); + if (ret < 0) + return ret; + + if (is_power_reg(reg)) { + /* power */ + val = (buf[0] << 16) + (buf[1] << 8) + buf[2]; + } else { + /* current, voltage */ + val = (buf[0] << 4) + (buf[1] >> 4); + } + + switch (reg) { + case LTC2945_POWER_H: + case LTC2945_MAX_POWER_H: + case LTC2945_MIN_POWER_H: + case LTC2945_MAX_POWER_THRES_H: + case LTC2945_MIN_POWER_THRES_H: + /* + * Convert to uW by assuming current is measured with + * an 1mOhm sense resistor, similar to current + * measurements. + * Control register bit 0 selects if voltage at SENSE+/VDD + * or voltage at ADIN is used to measure power. + */ + ret = regmap_read(regmap, LTC2945_CONTROL, &control); + if (ret < 0) + return ret; + if (control & CONTROL_MULT_SELECT) { + /* 25 mV * 25 uV = 0.625 uV resolution. */ + val *= 625LL; + } else { + /* 0.5 mV * 25 uV = 0.0125 uV resolution. */ + val = (val * 25LL) >> 1; + } + break; + case LTC2945_VIN_H: + case LTC2945_MAX_VIN_H: + case LTC2945_MIN_VIN_H: + case LTC2945_MAX_VIN_THRES_H: + case LTC2945_MIN_VIN_THRES_H: + /* 25 mV resolution. Convert to mV. */ + val *= 25; + break; + case LTC2945_ADIN_H: + case LTC2945_MAX_ADIN_H: + case LTC2945_MIN_ADIN_THRES_H: + case LTC2945_MAX_ADIN_THRES_H: + case LTC2945_MIN_ADIN_H: + /* 0.5mV resolution. Convert to mV. */ + val = val >> 1; + break; + case LTC2945_SENSE_H: + case LTC2945_MAX_SENSE_H: + case LTC2945_MIN_SENSE_H: + case LTC2945_MAX_SENSE_THRES_H: + case LTC2945_MIN_SENSE_THRES_H: + /* + * 25 uV resolution. Convert to current as measured with + * an 1 mOhm sense resistor, in mA. If a different sense + * resistor is installed, calculate the actual current by + * dividing the reported current by the sense resistor value + * in mOhm. + */ + val *= 25; + break; + default: + return -EINVAL; + } + return val; +} + +static int ltc2945_val_to_reg(struct device *dev, u8 reg, + unsigned long val) +{ + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int control; + int ret; + + switch (reg) { + case LTC2945_POWER_H: + case LTC2945_MAX_POWER_H: + case LTC2945_MIN_POWER_H: + case LTC2945_MAX_POWER_THRES_H: + case LTC2945_MIN_POWER_THRES_H: + /* + * Convert to register value by assuming current is measured + * with an 1mOhm sense resistor, similar to current + * measurements. + * Control register bit 0 selects if voltage at SENSE+/VDD + * or voltage at ADIN is used to measure power, which in turn + * determines register calculations. + */ + ret = regmap_read(regmap, LTC2945_CONTROL, &control); + if (ret < 0) + return ret; + if (control & CONTROL_MULT_SELECT) { + /* 25 mV * 25 uV = 0.625 uV resolution. */ + val = DIV_ROUND_CLOSEST(val, 625); + } else { + /* + * 0.5 mV * 25 uV = 0.0125 uV resolution. + * Divide first to avoid overflow; + * accept loss of accuracy. + */ + val = DIV_ROUND_CLOSEST(val, 25) * 2; + } + break; + case LTC2945_VIN_H: + case LTC2945_MAX_VIN_H: + case LTC2945_MIN_VIN_H: + case LTC2945_MAX_VIN_THRES_H: + case LTC2945_MIN_VIN_THRES_H: + /* 25 mV resolution. */ + val /= 25; + break; + case LTC2945_ADIN_H: + case LTC2945_MAX_ADIN_H: + case LTC2945_MIN_ADIN_THRES_H: + case LTC2945_MAX_ADIN_THRES_H: + case LTC2945_MIN_ADIN_H: + /* 0.5mV resolution. */ + val *= 2; + break; + case LTC2945_SENSE_H: + case LTC2945_MAX_SENSE_H: + case LTC2945_MIN_SENSE_H: + case LTC2945_MAX_SENSE_THRES_H: + case LTC2945_MIN_SENSE_THRES_H: + /* + * 25 uV resolution. Convert to current as measured with + * an 1 mOhm sense resistor, in mA. If a different sense + * resistor is installed, calculate the actual current by + * dividing the reported current by the sense resistor value + * in mOhm. + */ + val = DIV_ROUND_CLOSEST(val, 25); + break; + default: + return -EINVAL; + } + return val; +} + +static ssize_t ltc2945_show_value(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + long long value; + + value = ltc2945_reg_to_val(dev, attr->index); + if (value < 0) + return value; + return snprintf(buf, PAGE_SIZE, "%lld\n", value); +} + +static ssize_t ltc2945_set_value(struct device *dev, + struct device_attribute *da, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct regmap *regmap = dev_get_drvdata(dev); + u8 reg = attr->index; + unsigned long val; + u8 regbuf[3]; + int num_regs; + int regval; + int ret; + + ret = kstrtoul(buf, 10, &val); + if (ret) + return ret; + + /* convert to register value, then clamp and write result */ + regval = ltc2945_val_to_reg(dev, reg, val); + if (is_power_reg(reg)) { + regval = clamp_val(regval, 0, 0xffffff); + regbuf[0] = regval >> 16; + regbuf[1] = (regval >> 8) & 0xff; + regbuf[2] = regval; + num_regs = 3; + } else { + regval = clamp_val(regval, 0, 0xfff) << 4; + regbuf[0] = regval >> 8; + regbuf[1] = regval & 0xff; + num_regs = 2; + } + ret = regmap_bulk_write(regmap, reg, regbuf, num_regs); + return ret < 0 ? ret : count; +} + +static ssize_t ltc2945_reset_history(struct device *dev, + struct device_attribute *da, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct regmap *regmap = dev_get_drvdata(dev); + u8 reg = attr->index; + int num_regs = is_power_reg(reg) ? 3 : 2; + u8 buf_min[3] = { 0xff, 0xff, 0xff }; + u8 buf_max[3] = { 0, 0, 0 }; + unsigned long val; + int ret; + + ret = kstrtoul(buf, 10, &val); + if (ret) + return ret; + if (val != 1) + return -EINVAL; + + ret = regmap_update_bits(regmap, LTC2945_CONTROL, CONTROL_TEST_MODE, + CONTROL_TEST_MODE); + + /* Reset minimum */ + ret = regmap_bulk_write(regmap, reg, buf_min, num_regs); + if (ret) + return ret; + + switch (reg) { + case LTC2945_MIN_POWER_H: + reg = LTC2945_MAX_POWER_H; + break; + case LTC2945_MIN_SENSE_H: + reg = LTC2945_MAX_SENSE_H; + break; + case LTC2945_MIN_VIN_H: + reg = LTC2945_MAX_VIN_H; + break; + case LTC2945_MIN_ADIN_H: + reg = LTC2945_MAX_ADIN_H; + break; + default: + WARN_ONCE(1, "Bad register: 0x%x\n", reg); + return -EINVAL; + } + /* Reset maximum */ + ret = regmap_bulk_write(regmap, reg, buf_max, num_regs); + + /* Try resetting test mode even if there was an error */ + regmap_update_bits(regmap, LTC2945_CONTROL, CONTROL_TEST_MODE, 0); + + return ret ? : count; +} + +static ssize_t ltc2945_show_bool(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int fault; + int ret; + + ret = regmap_read(regmap, LTC2945_FAULT, &fault); + if (ret < 0) + return ret; + + fault &= attr->index; + if (fault) /* Clear reported faults in chip register */ + regmap_update_bits(regmap, LTC2945_FAULT, attr->index, 0); + + return snprintf(buf, PAGE_SIZE, "%d\n", !!fault); +} + +/* Input voltages */ + +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_VIN_H); +static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MIN_VIN_THRES_H); +static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MAX_VIN_THRES_H); +static SENSOR_DEVICE_ATTR(in1_lowest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MIN_VIN_H); +static SENSOR_DEVICE_ATTR(in1_highest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MAX_VIN_H); +static SENSOR_DEVICE_ATTR(in1_reset_history, S_IWUSR, NULL, + ltc2945_reset_history, LTC2945_MIN_VIN_H); + +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_ADIN_H); +static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MIN_ADIN_THRES_H); +static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MAX_ADIN_THRES_H); +static SENSOR_DEVICE_ATTR(in2_lowest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MIN_ADIN_H); +static SENSOR_DEVICE_ATTR(in2_highest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MAX_ADIN_H); +static SENSOR_DEVICE_ATTR(in2_reset_history, S_IWUSR, NULL, + ltc2945_reset_history, LTC2945_MIN_ADIN_H); + +/* Voltage alarms */ + +static SENSOR_DEVICE_ATTR(in1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_VIN_UV); +static SENSOR_DEVICE_ATTR(in1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_VIN_OV); +static SENSOR_DEVICE_ATTR(in2_min_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_ADIN_UV); +static SENSOR_DEVICE_ATTR(in2_max_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_ADIN_OV); + +/* Currents (via sense resistor) */ + +static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_SENSE_H); +static SENSOR_DEVICE_ATTR(curr1_min, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MIN_SENSE_THRES_H); +static SENSOR_DEVICE_ATTR(curr1_max, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MAX_SENSE_THRES_H); +static SENSOR_DEVICE_ATTR(curr1_lowest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MIN_SENSE_H); +static SENSOR_DEVICE_ATTR(curr1_highest, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_MAX_SENSE_H); +static SENSOR_DEVICE_ATTR(curr1_reset_history, S_IWUSR, NULL, + ltc2945_reset_history, LTC2945_MIN_SENSE_H); + +/* Current alarms */ + +static SENSOR_DEVICE_ATTR(curr1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_SENSE_UV); +static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_SENSE_OV); + +/* Power */ + +static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ltc2945_show_value, NULL, + LTC2945_POWER_H); +static SENSOR_DEVICE_ATTR(power1_min, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MIN_POWER_THRES_H); +static SENSOR_DEVICE_ATTR(power1_max, S_IRUGO | S_IWUSR, ltc2945_show_value, + ltc2945_set_value, LTC2945_MAX_POWER_THRES_H); +static SENSOR_DEVICE_ATTR(power1_input_lowest, S_IRUGO, ltc2945_show_value, + NULL, LTC2945_MIN_POWER_H); +static SENSOR_DEVICE_ATTR(power1_input_highest, S_IRUGO, ltc2945_show_value, + NULL, LTC2945_MAX_POWER_H); +static SENSOR_DEVICE_ATTR(power1_reset_history, S_IWUSR, NULL, + ltc2945_reset_history, LTC2945_MIN_POWER_H); + +/* Power alarms */ + +static SENSOR_DEVICE_ATTR(power1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_POWER_UV); +static SENSOR_DEVICE_ATTR(power1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL, + FAULT_POWER_OV); + +static struct attribute *ltc2945_attrs[] = { + &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_lowest.dev_attr.attr, + &sensor_dev_attr_in1_highest.dev_attr.attr, + &sensor_dev_attr_in1_reset_history.dev_attr.attr, + &sensor_dev_attr_in1_min_alarm.dev_attr.attr, + &sensor_dev_attr_in1_max_alarm.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_lowest.dev_attr.attr, + &sensor_dev_attr_in2_highest.dev_attr.attr, + &sensor_dev_attr_in2_reset_history.dev_attr.attr, + &sensor_dev_attr_in2_min_alarm.dev_attr.attr, + &sensor_dev_attr_in2_max_alarm.dev_attr.attr, + + &sensor_dev_attr_curr1_input.dev_attr.attr, + &sensor_dev_attr_curr1_min.dev_attr.attr, + &sensor_dev_attr_curr1_max.dev_attr.attr, + &sensor_dev_attr_curr1_lowest.dev_attr.attr, + &sensor_dev_attr_curr1_highest.dev_attr.attr, + &sensor_dev_attr_curr1_reset_history.dev_attr.attr, + &sensor_dev_attr_curr1_min_alarm.dev_attr.attr, + &sensor_dev_attr_curr1_max_alarm.dev_attr.attr, + + &sensor_dev_attr_power1_input.dev_attr.attr, + &sensor_dev_attr_power1_min.dev_attr.attr, + &sensor_dev_attr_power1_max.dev_attr.attr, + &sensor_dev_attr_power1_input_lowest.dev_attr.attr, + &sensor_dev_attr_power1_input_highest.dev_attr.attr, + &sensor_dev_attr_power1_reset_history.dev_attr.attr, + &sensor_dev_attr_power1_min_alarm.dev_attr.attr, + &sensor_dev_attr_power1_max_alarm.dev_attr.attr, + + NULL, +}; +ATTRIBUTE_GROUPS(ltc2945); + +static struct regmap_config ltc2945_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = LTC2945_MIN_ADIN_THRES_L, +}; + +static int ltc2945_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device *hwmon_dev; + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(client, <c2945_regmap_config); + if (IS_ERR(regmap)) { + dev_err(dev, "failed to allocate register map\n"); + return PTR_ERR(regmap); + } + + /* Clear faults */ + regmap_write(regmap, LTC2945_FAULT, 0x00); + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + regmap, + ltc2945_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct i2c_device_id ltc2945_id[] = { + {"ltc2945", 0}, + { } +}; + +MODULE_DEVICE_TABLE(i2c, ltc2945_id); + +static struct i2c_driver ltc2945_driver = { + .driver = { + .name = "ltc2945", + }, + .probe = ltc2945_probe, + .id_table = ltc2945_id, +}; + +module_i2c_driver(ltc2945_driver); + +MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); +MODULE_DESCRIPTION("LTC2945 driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ltc4151.c b/drivers/hwmon/ltc4151.c index af81be1237c..c86a1840249 100644 --- a/drivers/hwmon/ltc4151.c +++ b/drivers/hwmon/ltc4151.c @@ -47,7 +47,7 @@ #define LTC4151_ADIN_L 0x05 struct ltc4151_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -59,8 +59,8 @@ struct ltc4151_data { static struct ltc4151_data *ltc4151_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ltc4151_data *data = i2c_get_clientdata(client); + struct ltc4151_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct ltc4151_data *ret = data; mutex_lock(&data->update_lock); @@ -159,7 +159,7 @@ static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4151_show_value, NULL, * Finally, construct an array of pointers to members of the above objects, * as required for sysfs_create_group() */ -static struct attribute *ltc4151_attributes[] = { +static struct attribute *ltc4151_attrs[] = { &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in2_input.dev_attr.attr, @@ -167,54 +167,30 @@ static struct attribute *ltc4151_attributes[] = { NULL, }; - -static const struct attribute_group ltc4151_group = { - .attrs = ltc4151_attributes, -}; +ATTRIBUTE_GROUPS(ltc4151); static int ltc4151_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; + struct device *dev = &client->dev; struct ltc4151_data *data; - int ret; + struct device *hwmon_dev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); - /* Register sysfs hooks */ - ret = sysfs_create_group(&client->dev.kobj, <c4151_group); - if (ret) - return ret; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_hwmon_device_register; - } - - return 0; - -out_hwmon_device_register: - sysfs_remove_group(&client->dev.kobj, <c4151_group); - return ret; -} - -static int ltc4151_remove(struct i2c_client *client) -{ - struct ltc4151_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, <c4151_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + ltc4151_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id ltc4151_id[] = { @@ -229,7 +205,6 @@ static struct i2c_driver ltc4151_driver = { .name = "ltc4151", }, .probe = ltc4151_probe, - .remove = ltc4151_remove, .id_table = ltc4151_id, }; diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c index 8a142960d69..c8a9bd9b050 100644 --- a/drivers/hwmon/ltc4215.c +++ b/drivers/hwmon/ltc4215.c @@ -33,7 +33,7 @@ enum ltc4215_cmd { }; struct ltc4215_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -45,8 +45,8 @@ struct ltc4215_data { static struct ltc4215_data *ltc4215_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ltc4215_data *data = i2c_get_clientdata(client); + struct ltc4215_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; s32 val; int i; @@ -214,7 +214,7 @@ static SENSOR_DEVICE_ATTR(in2_min_alarm, S_IRUGO, ltc4215_show_alarm, NULL, * Finally, construct an array of pointers to members of the above objects, * as required for sysfs_create_group() */ -static struct attribute *ltc4215_attributes[] = { +static struct attribute *ltc4215_attrs[] = { &sensor_dev_attr_curr1_input.dev_attr.attr, &sensor_dev_attr_curr1_max_alarm.dev_attr.attr, @@ -229,57 +229,33 @@ static struct attribute *ltc4215_attributes[] = { NULL, }; - -static const struct attribute_group ltc4215_group = { - .attrs = ltc4215_attributes, -}; +ATTRIBUTE_GROUPS(ltc4215); static int ltc4215_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; + struct device *dev = &client->dev; struct ltc4215_data *data; - int ret; + struct device *hwmon_dev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the LTC4215 chip */ i2c_smbus_write_byte_data(client, LTC4215_FAULT, 0x00); - /* Register sysfs hooks */ - ret = sysfs_create_group(&client->dev.kobj, <c4215_group); - if (ret) - return ret; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_hwmon_device_register; - } - - return 0; - -out_hwmon_device_register: - sysfs_remove_group(&client->dev.kobj, <c4215_group); - return ret; -} - -static int ltc4215_remove(struct i2c_client *client) -{ - struct ltc4215_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, <c4215_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + ltc4215_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id ltc4215_id[] = { @@ -294,7 +270,6 @@ static struct i2c_driver ltc4215_driver = { .name = "ltc4215", }, .probe = ltc4215_probe, - .remove = ltc4215_remove, .id_table = ltc4215_id, }; diff --git a/drivers/hwmon/ltc4222.c b/drivers/hwmon/ltc4222.c new file mode 100644 index 00000000000..07c25653659 --- /dev/null +++ b/drivers/hwmon/ltc4222.c @@ -0,0 +1,237 @@ +/* + * Driver for Linear Technology LTC4222 Dual Hot Swap controller + * + * Copyright (c) 2014 Guenter Roeck + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/bitops.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/jiffies.h> +#include <linux/regmap.h> + +/* chip registers */ + +#define LTC4222_CONTROL1 0xd0 +#define LTC4222_ALERT1 0xd1 +#define LTC4222_STATUS1 0xd2 +#define LTC4222_FAULT1 0xd3 +#define LTC4222_CONTROL2 0xd4 +#define LTC4222_ALERT2 0xd5 +#define LTC4222_STATUS2 0xd6 +#define LTC4222_FAULT2 0xd7 +#define LTC4222_SOURCE1 0xd8 +#define LTC4222_SOURCE2 0xda +#define LTC4222_ADIN1 0xdc +#define LTC4222_ADIN2 0xde +#define LTC4222_SENSE1 0xe0 +#define LTC4222_SENSE2 0xe2 +#define LTC4222_ADC_CONTROL 0xe4 + +/* + * Fault register bits + */ +#define FAULT_OV BIT(0) +#define FAULT_UV BIT(1) +#define FAULT_OC BIT(2) +#define FAULT_POWER_BAD BIT(3) +#define FAULT_FET_BAD BIT(5) + +/* Return the voltage from the given register in mV or mA */ +static int ltc4222_get_value(struct device *dev, u8 reg) +{ + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int val; + u8 buf[2]; + int ret; + + ret = regmap_bulk_read(regmap, reg, buf, 2); + if (ret < 0) + return ret; + + val = ((buf[0] << 8) + buf[1]) >> 6; + + switch (reg) { + case LTC4222_ADIN1: + case LTC4222_ADIN2: + /* 1.25 mV resolution. Convert to mV. */ + val = DIV_ROUND_CLOSEST(val * 5, 4); + break; + case LTC4222_SOURCE1: + case LTC4222_SOURCE2: + /* 31.25 mV resolution. Convert to mV. */ + val = DIV_ROUND_CLOSEST(val * 125, 4); + break; + case LTC4222_SENSE1: + case LTC4222_SENSE2: + /* + * 62.5 uV resolution. Convert to current as measured with + * an 1 mOhm sense resistor, in mA. If a different sense + * resistor is installed, calculate the actual current by + * dividing the reported current by the sense resistor value + * in mOhm. + */ + val = DIV_ROUND_CLOSEST(val * 125, 2); + break; + default: + return -EINVAL; + } + return val; +} + +static ssize_t ltc4222_show_value(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + int value; + + value = ltc4222_get_value(dev, attr->index); + if (value < 0) + return value; + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +static ssize_t ltc4222_show_bool(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da); + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int fault; + int ret; + + ret = regmap_read(regmap, attr->nr, &fault); + if (ret < 0) + return ret; + fault &= attr->index; + if (fault) /* Clear reported faults in chip register */ + regmap_update_bits(regmap, attr->nr, attr->index, 0); + + return snprintf(buf, PAGE_SIZE, "%d\n", !!fault); +} + +/* Voltages */ +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_SOURCE1); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_ADIN1); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_SOURCE2); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_ADIN2); + +/* + * Voltage alarms + * UV/OV faults are associated with the input voltage, and power bad and fet + * faults are associated with the output voltage. + */ +static SENSOR_DEVICE_ATTR_2(in1_min_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT1, FAULT_UV); +static SENSOR_DEVICE_ATTR_2(in1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT1, FAULT_OV); +static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT1, FAULT_POWER_BAD | FAULT_FET_BAD); + +static SENSOR_DEVICE_ATTR_2(in3_min_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT2, FAULT_UV); +static SENSOR_DEVICE_ATTR_2(in3_max_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT2, FAULT_OV); +static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT2, FAULT_POWER_BAD | FAULT_FET_BAD); + +/* Current (via sense resistor) */ +static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_SENSE1); +static SENSOR_DEVICE_ATTR(curr2_input, S_IRUGO, ltc4222_show_value, NULL, + LTC4222_SENSE2); + +/* Overcurrent alarm */ +static SENSOR_DEVICE_ATTR_2(curr1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT1, FAULT_OC); +static SENSOR_DEVICE_ATTR_2(curr2_max_alarm, S_IRUGO, ltc4222_show_bool, NULL, + LTC4222_FAULT2, FAULT_OC); + +static struct attribute *ltc4222_attrs[] = { + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_min_alarm.dev_attr.attr, + &sensor_dev_attr_in1_max_alarm.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in3_min_alarm.dev_attr.attr, + &sensor_dev_attr_in3_max_alarm.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + + &sensor_dev_attr_curr1_input.dev_attr.attr, + &sensor_dev_attr_curr1_max_alarm.dev_attr.attr, + &sensor_dev_attr_curr2_input.dev_attr.attr, + &sensor_dev_attr_curr2_max_alarm.dev_attr.attr, + + NULL, +}; +ATTRIBUTE_GROUPS(ltc4222); + +static struct regmap_config ltc4222_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = LTC4222_ADC_CONTROL, +}; + +static int ltc4222_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device *hwmon_dev; + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(client, <c4222_regmap_config); + if (IS_ERR(regmap)) { + dev_err(dev, "failed to allocate register map\n"); + return PTR_ERR(regmap); + } + + /* Clear faults */ + regmap_write(regmap, LTC4222_FAULT1, 0x00); + regmap_write(regmap, LTC4222_FAULT2, 0x00); + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + regmap, + ltc4222_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct i2c_device_id ltc4222_id[] = { + {"ltc4222", 0}, + { } +}; + +MODULE_DEVICE_TABLE(i2c, ltc4222_id); + +static struct i2c_driver ltc4222_driver = { + .driver = { + .name = "ltc4222", + }, + .probe = ltc4222_probe, + .id_table = ltc4222_id, +}; + +module_i2c_driver(ltc4222_driver); + +MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); +MODULE_DESCRIPTION("LTC4222 driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c index cdc1ecc6734..681b5b7b3c3 100644 --- a/drivers/hwmon/ltc4245.c +++ b/drivers/hwmon/ltc4245.c @@ -51,7 +51,9 @@ enum ltc4245_cmd { }; struct ltc4245_data { - struct device *hwmon_dev; + struct i2c_client *client; + + const struct attribute_group *groups[3]; struct mutex update_lock; bool valid; @@ -77,8 +79,8 @@ struct ltc4245_data { */ static void ltc4245_update_gpios(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ltc4245_data *data = i2c_get_clientdata(client); + struct ltc4245_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; u8 gpio_curr, gpio_next, gpio_reg; int i; @@ -93,7 +95,6 @@ static void ltc4245_update_gpios(struct device *dev) * readings as stale by setting them to -EAGAIN */ if (time_after(jiffies, data->last_updated + 5 * HZ)) { - dev_dbg(&client->dev, "Marking GPIOs invalid\n"); for (i = 0; i < ARRAY_SIZE(data->gpios); i++) data->gpios[i] = -EAGAIN; } @@ -130,8 +131,8 @@ static void ltc4245_update_gpios(struct device *dev) static struct ltc4245_data *ltc4245_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ltc4245_data *data = i2c_get_clientdata(client); + struct ltc4245_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; s32 val; int i; @@ -139,8 +140,6 @@ static struct ltc4245_data *ltc4245_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - dev_dbg(&client->dev, "Starting ltc4245 update\n"); - /* Read control registers -- 0x00 to 0x07 */ for (i = 0; i < ARRAY_SIZE(data->cregs); i++) { val = i2c_smbus_read_byte_data(client, i); @@ -455,59 +454,28 @@ static const struct attribute_group ltc4245_gpio_group = { .attrs = ltc4245_gpio_attributes, }; -static int ltc4245_sysfs_create_groups(struct i2c_client *client) +static void ltc4245_sysfs_add_groups(struct ltc4245_data *data) { - struct ltc4245_data *data = i2c_get_clientdata(client); - struct device *dev = &client->dev; - int ret; - - /* register the standard sysfs attributes */ - ret = sysfs_create_group(&dev->kobj, <c4245_std_group); - if (ret) { - dev_err(dev, "unable to register standard attributes\n"); - return ret; - } + /* standard sysfs attributes */ + data->groups[0] = <c4245_std_group; /* if we're using the extra gpio support, register it's attributes */ - if (data->use_extra_gpios) { - ret = sysfs_create_group(&dev->kobj, <c4245_gpio_group); - if (ret) { - dev_err(dev, "unable to register gpio attributes\n"); - sysfs_remove_group(&dev->kobj, <c4245_std_group); - return ret; - } - } - - return 0; -} - -static void ltc4245_sysfs_remove_groups(struct i2c_client *client) -{ - struct ltc4245_data *data = i2c_get_clientdata(client); - struct device *dev = &client->dev; - if (data->use_extra_gpios) - sysfs_remove_group(&dev->kobj, <c4245_gpio_group); - - sysfs_remove_group(&dev->kobj, <c4245_std_group); + data->groups[1] = <c4245_gpio_group; } static bool ltc4245_use_extra_gpios(struct i2c_client *client) { struct ltc4245_platform_data *pdata = dev_get_platdata(&client->dev); -#ifdef CONFIG_OF struct device_node *np = client->dev.of_node; -#endif /* prefer platform data */ if (pdata) return pdata->use_extra_gpios; -#ifdef CONFIG_OF /* fallback on OF */ if (of_find_property(np, "ltc4245,use-extra-gpios", NULL)) return true; -#endif return false; } @@ -517,7 +485,7 @@ static int ltc4245_probe(struct i2c_client *client, { struct i2c_adapter *adapter = client->adapter; struct ltc4245_data *data; - int ret; + struct device *hwmon_dev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; @@ -526,7 +494,7 @@ static int ltc4245_probe(struct i2c_client *client, if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); data->use_extra_gpios = ltc4245_use_extra_gpios(client); @@ -534,32 +502,13 @@ static int ltc4245_probe(struct i2c_client *client, i2c_smbus_write_byte_data(client, LTC4245_FAULT1, 0x00); i2c_smbus_write_byte_data(client, LTC4245_FAULT2, 0x00); - /* Register sysfs hooks */ - ret = ltc4245_sysfs_create_groups(client); - if (ret) - return ret; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_hwmon_device_register; - } - - return 0; - -out_hwmon_device_register: - ltc4245_sysfs_remove_groups(client); - return ret; -} - -static int ltc4245_remove(struct i2c_client *client) -{ - struct ltc4245_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - ltc4245_sysfs_remove_groups(client); + /* Add sysfs hooks */ + ltc4245_sysfs_add_groups(data); - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id ltc4245_id[] = { @@ -574,7 +523,6 @@ static struct i2c_driver ltc4245_driver = { .name = "ltc4245", }, .probe = ltc4245_probe, - .remove = ltc4245_remove, .id_table = ltc4245_id, }; diff --git a/drivers/hwmon/ltc4260.c b/drivers/hwmon/ltc4260.c new file mode 100644 index 00000000000..453a250d9df --- /dev/null +++ b/drivers/hwmon/ltc4260.c @@ -0,0 +1,200 @@ +/* + * Driver for Linear Technology LTC4260 I2C Positive Voltage Hot Swap Controller + * + * Copyright (c) 2014 Guenter Roeck + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/jiffies.h> +#include <linux/regmap.h> + +/* chip registers */ +#define LTC4260_CONTROL 0x00 +#define LTC4260_ALERT 0x01 +#define LTC4260_STATUS 0x02 +#define LTC4260_FAULT 0x03 +#define LTC4260_SENSE 0x04 +#define LTC4260_SOURCE 0x05 +#define LTC4260_ADIN 0x06 + +/* + * Fault register bits + */ +#define FAULT_OV (1 << 0) +#define FAULT_UV (1 << 1) +#define FAULT_OC (1 << 2) +#define FAULT_POWER_BAD (1 << 3) +#define FAULT_FET_SHORT (1 << 5) + +/* Return the voltage from the given register in mV or mA */ +static int ltc4260_get_value(struct device *dev, u8 reg) +{ + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int val; + int ret; + + ret = regmap_read(regmap, reg, &val); + if (ret < 0) + return ret; + + switch (reg) { + case LTC4260_ADIN: + /* 10 mV resolution. Convert to mV. */ + val = val * 10; + break; + case LTC4260_SOURCE: + /* 400 mV resolution. Convert to mV. */ + val = val * 400; + break; + case LTC4260_SENSE: + /* + * 300 uV resolution. Convert to current as measured with + * an 1 mOhm sense resistor, in mA. If a different sense + * resistor is installed, calculate the actual current by + * dividing the reported current by the sense resistor value + * in mOhm. + */ + val = val * 300; + break; + default: + return -EINVAL; + } + + return val; +} + +static ssize_t ltc4260_show_value(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + int value; + + value = ltc4260_get_value(dev, attr->index); + if (value < 0) + return value; + return snprintf(buf, PAGE_SIZE, "%d\n", value); +} + +static ssize_t ltc4260_show_bool(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct regmap *regmap = dev_get_drvdata(dev); + unsigned int fault; + int ret; + + ret = regmap_read(regmap, LTC4260_FAULT, &fault); + if (ret < 0) + return ret; + + fault &= attr->index; + if (fault) /* Clear reported faults in chip register */ + regmap_update_bits(regmap, LTC4260_FAULT, attr->index, 0); + + return snprintf(buf, PAGE_SIZE, "%d\n", !!fault); +} + +/* Voltages */ +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4260_show_value, NULL, + LTC4260_SOURCE); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4260_show_value, NULL, + LTC4260_ADIN); + +/* + * Voltage alarms + * UV/OV faults are associated with the input voltage, and the POWER BAD and + * FET SHORT faults are associated with the output voltage. + */ +static SENSOR_DEVICE_ATTR(in1_min_alarm, S_IRUGO, ltc4260_show_bool, NULL, + FAULT_UV); +static SENSOR_DEVICE_ATTR(in1_max_alarm, S_IRUGO, ltc4260_show_bool, NULL, + FAULT_OV); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, ltc4260_show_bool, NULL, + FAULT_POWER_BAD | FAULT_FET_SHORT); + +/* Current (via sense resistor) */ +static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4260_show_value, NULL, + LTC4260_SENSE); + +/* Overcurrent alarm */ +static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc4260_show_bool, NULL, + FAULT_OC); + +static struct attribute *ltc4260_attrs[] = { + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_min_alarm.dev_attr.attr, + &sensor_dev_attr_in1_max_alarm.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + + &sensor_dev_attr_curr1_input.dev_attr.attr, + &sensor_dev_attr_curr1_max_alarm.dev_attr.attr, + + NULL, +}; +ATTRIBUTE_GROUPS(ltc4260); + +static struct regmap_config ltc4260_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = LTC4260_ADIN, +}; + +static int ltc4260_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device *hwmon_dev; + struct regmap *regmap; + + regmap = devm_regmap_init_i2c(client, <c4260_regmap_config); + if (IS_ERR(regmap)) { + dev_err(dev, "failed to allocate register map\n"); + return PTR_ERR(regmap); + } + + /* Clear faults */ + regmap_write(regmap, LTC4260_FAULT, 0x00); + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + regmap, + ltc4260_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct i2c_device_id ltc4260_id[] = { + {"ltc4260", 0}, + { } +}; + +MODULE_DEVICE_TABLE(i2c, ltc4260_id); + +static struct i2c_driver ltc4260_driver = { + .driver = { + .name = "ltc4260", + }, + .probe = ltc4260_probe, + .id_table = ltc4260_id, +}; + +module_i2c_driver(ltc4260_driver); + +MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); +MODULE_DESCRIPTION("LTC4260 driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c index 487da58ec86..0becd69842b 100644 --- a/drivers/hwmon/ltc4261.c +++ b/drivers/hwmon/ltc4261.c @@ -55,7 +55,7 @@ #define FAULT_OC (1<<2) struct ltc4261_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; @@ -67,8 +67,8 @@ struct ltc4261_data { static struct ltc4261_data *ltc4261_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ltc4261_data *data = i2c_get_clientdata(client); + struct ltc4261_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct ltc4261_data *ret = data; mutex_lock(&data->update_lock); @@ -150,7 +150,6 @@ static ssize_t ltc4261_show_bool(struct device *dev, struct device_attribute *da, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); struct ltc4261_data *data = ltc4261_update_device(dev); u8 fault; @@ -159,7 +158,7 @@ static ssize_t ltc4261_show_bool(struct device *dev, fault = data->regs[LTC4261_FAULT] & attr->index; if (fault) /* Clear reported faults in chip register */ - i2c_smbus_write_byte_data(client, LTC4261_FAULT, ~fault); + i2c_smbus_write_byte_data(data->client, LTC4261_FAULT, ~fault); return snprintf(buf, PAGE_SIZE, "%d\n", fault ? 1 : 0); } @@ -197,7 +196,7 @@ static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4261_show_value, NULL, static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc4261_show_bool, NULL, FAULT_OC); -static struct attribute *ltc4261_attributes[] = { +static struct attribute *ltc4261_attrs[] = { &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in1_min_alarm.dev_attr.attr, &sensor_dev_attr_in1_max_alarm.dev_attr.attr, @@ -210,62 +209,38 @@ static struct attribute *ltc4261_attributes[] = { NULL, }; - -static const struct attribute_group ltc4261_group = { - .attrs = ltc4261_attributes, -}; +ATTRIBUTE_GROUPS(ltc4261); static int ltc4261_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; + struct device *dev = &client->dev; struct ltc4261_data *data; - int ret; + struct device *hwmon_dev; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; if (i2c_smbus_read_byte_data(client, LTC4261_STATUS) < 0) { - dev_err(&client->dev, "Failed to read status register\n"); + dev_err(dev, "Failed to read status register\n"); return -ENODEV; } - data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* Clear faults */ i2c_smbus_write_byte_data(client, LTC4261_FAULT, 0x00); - /* Register sysfs hooks */ - ret = sysfs_create_group(&client->dev.kobj, <c4261_group); - if (ret) - return ret; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - ret = PTR_ERR(data->hwmon_dev); - goto out_hwmon_device_register; - } - - return 0; - -out_hwmon_device_register: - sysfs_remove_group(&client->dev.kobj, <c4261_group); - return ret; -} - -static int ltc4261_remove(struct i2c_client *client) -{ - struct ltc4261_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, <c4261_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + ltc4261_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id ltc4261_id[] = { @@ -281,7 +256,6 @@ static struct i2c_driver ltc4261_driver = { .name = "ltc4261", }, .probe = ltc4261_probe, - .remove = ltc4261_remove, .id_table = ltc4261_id, }; diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index eda077de8a9..f67d71ee838 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -192,10 +192,8 @@ static int max1111_probe(struct spi_device *spi) return err; data = devm_kzalloc(&spi->dev, sizeof(struct max1111_data), GFP_KERNEL); - if (data == NULL) { - dev_err(&spi->dev, "failed to allocate memory\n"); + if (data == NULL) return -ENOMEM; - } switch (chip) { case max1110: diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 2fa2c02f556..d4efc79d7b9 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -83,7 +83,8 @@ static const bool max16065_have_current[] = { struct max16065_data { enum chips type; - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[4]; struct mutex update_lock; bool valid; unsigned long last_updated; /* in jiffies */ @@ -144,8 +145,8 @@ static int max16065_read_adc(struct i2c_client *client, int reg) static struct max16065_data *max16065_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct max16065_data *data = i2c_get_clientdata(client); + struct max16065_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { @@ -186,7 +187,7 @@ static ssize_t max16065_show_alarm(struct device *dev, val &= (1 << attr2->index); if (val) - i2c_smbus_write_byte_data(to_i2c_client(dev), + i2c_smbus_write_byte_data(data->client, MAX16065_FAULT(attr2->nr), val); return snprintf(buf, PAGE_SIZE, "%d\n", !!val); @@ -223,8 +224,7 @@ static ssize_t max16065_set_limit(struct device *dev, const char *buf, size_t count) { struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da); - struct i2c_client *client = to_i2c_client(dev); - struct max16065_data *data = i2c_get_clientdata(client); + struct max16065_data *data = dev_get_drvdata(dev); unsigned long val; int err; int limit; @@ -238,7 +238,7 @@ static ssize_t max16065_set_limit(struct device *dev, mutex_lock(&data->update_lock); data->limit[attr2->nr][attr2->index] = LIMIT_TO_MV(limit, data->range[attr2->index]); - i2c_smbus_write_byte_data(client, + i2c_smbus_write_byte_data(data->client, MAX16065_LIMIT(attr2->nr, attr2->index), limit); mutex_unlock(&data->update_lock); @@ -250,8 +250,7 @@ static ssize_t max16065_show_limit(struct device *dev, struct device_attribute *da, char *buf) { struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(da); - struct i2c_client *client = to_i2c_client(dev); - struct max16065_data *data = i2c_get_clientdata(client); + struct max16065_data *data = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%d\n", data->limit[attr2->nr][attr2->index]); @@ -516,8 +515,32 @@ static struct attribute *max16065_max_attributes[] = { NULL }; +static umode_t max16065_basic_is_visible(struct kobject *kobj, + struct attribute *a, int n) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct max16065_data *data = dev_get_drvdata(dev); + int index = n / 4; + + if (index >= data->num_adc || !data->range[index]) + return 0; + return a->mode; +} + +static umode_t max16065_secondary_is_visible(struct kobject *kobj, + struct attribute *a, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct max16065_data *data = dev_get_drvdata(dev); + + if (index >= data->num_adc) + return 0; + return a->mode; +} + static const struct attribute_group max16065_basic_group = { .attrs = max16065_basic_attributes, + .is_visible = max16065_basic_is_visible, }; static const struct attribute_group max16065_current_group = { @@ -526,38 +549,35 @@ static const struct attribute_group max16065_current_group = { static const struct attribute_group max16065_min_group = { .attrs = max16065_min_attributes, + .is_visible = max16065_secondary_is_visible, }; static const struct attribute_group max16065_max_group = { .attrs = max16065_max_attributes, + .is_visible = max16065_secondary_is_visible, }; -static void max16065_cleanup(struct i2c_client *client) -{ - sysfs_remove_group(&client->dev.kobj, &max16065_max_group); - sysfs_remove_group(&client->dev.kobj, &max16065_min_group); - sysfs_remove_group(&client->dev.kobj, &max16065_current_group); - sysfs_remove_group(&client->dev.kobj, &max16065_basic_group); -} - static int max16065_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; struct max16065_data *data; - int i, j, val, ret; + struct device *dev = &client->dev; + struct device *hwmon_dev; + int i, j, val; bool have_secondary; /* true if chip has secondary limits */ bool secondary_is_max = false; /* secondary limits reflect max */ + int groups = 0; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_READ_WORD_DATA)) return -ENODEV; - data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (unlikely(!data)) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); data->num_adc = max16065_num_adc[id->driver_data]; @@ -596,38 +616,16 @@ static int max16065_probe(struct i2c_client *client, } } - /* Register sysfs hooks */ - for (i = 0; i < data->num_adc * 4; i++) { - /* Do not create sysfs entry if channel is disabled */ - if (!data->range[i / 4]) - continue; - - ret = sysfs_create_file(&client->dev.kobj, - max16065_basic_attributes[i]); - if (unlikely(ret)) - goto out; - } - - if (have_secondary) { - struct attribute **attr = secondary_is_max ? - max16065_max_attributes : max16065_min_attributes; - - for (i = 0; i < data->num_adc; i++) { - if (!data->range[i]) - continue; - - ret = sysfs_create_file(&client->dev.kobj, attr[i]); - if (unlikely(ret)) - goto out; - } - } + /* sysfs hooks */ + data->groups[groups++] = &max16065_basic_group; + if (have_secondary) + data->groups[groups++] = secondary_is_max ? + &max16065_max_group : &max16065_min_group; if (data->have_current) { val = i2c_smbus_read_byte_data(client, MAX16065_CURR_CONTROL); - if (unlikely(val < 0)) { - ret = val; - goto out; - } + if (unlikely(val < 0)) + return val; if (val & MAX16065_CURR_ENABLE) { /* * Current gain is 6, 12, 24, 48 based on values in @@ -636,33 +634,16 @@ static int max16065_probe(struct i2c_client *client, data->curr_gain = 6 << ((val >> 2) & 0x03); data->range[MAX16065_NUM_ADC] = max16065_csp_adc_range[(val >> 1) & 0x01]; - ret = sysfs_create_group(&client->dev.kobj, - &max16065_current_group); - if (unlikely(ret)) - goto out; + data->groups[groups++] = &max16065_current_group; } else { data->have_current = false; } } - data->hwmon_dev = hwmon_device_register(&client->dev); - if (unlikely(IS_ERR(data->hwmon_dev))) { - ret = PTR_ERR(data->hwmon_dev); - goto out; - } - return 0; - -out: - max16065_cleanup(client); - return ret; -} - -static int max16065_remove(struct i2c_client *client) -{ - struct max16065_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - max16065_cleanup(client); + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, data->groups); + if (unlikely(IS_ERR(hwmon_dev))) + return PTR_ERR(hwmon_dev); return 0; } @@ -685,7 +666,6 @@ static struct i2c_driver max16065_driver = { .name = "max16065", }, .probe = max16065_probe, - .remove = max16065_remove, .id_table = max16065_id, }; diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index 445e5d40ac8..eda9cf59968 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -2,7 +2,7 @@ * max1619.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring * Copyright (C) 2003-2004 Oleksij Rempel <bug-track@fisher-privat.net> - * Jean Delvare <khali@linux-fr.org> + * Jean Delvare <jdelvare@suse.de> * * Based on the lm90 driver. The MAX1619 is a sensor chip made by Maxim. * It reports up to two temperatures (its own plus up to @@ -19,13 +19,8 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> @@ -76,38 +71,14 @@ static int temp_to_reg(int val) return (val < 0 ? val+0x100*1000 : val) / 1000; } -/* - * Functions declaration - */ - -static int max1619_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int max1619_detect(struct i2c_client *client, - struct i2c_board_info *info); -static void max1619_init_client(struct i2c_client *client); -static int max1619_remove(struct i2c_client *client); -static struct max1619_data *max1619_update_device(struct device *dev); - -/* - * Driver data (common to all clients) - */ - -static const struct i2c_device_id max1619_id[] = { - { "max1619", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, max1619_id); - -static struct i2c_driver max1619_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "max1619", - }, - .probe = max1619_probe, - .remove = max1619_remove, - .id_table = max1619_id, - .detect = max1619_detect, - .address_list = normal_i2c, +enum temp_index { + t_input1 = 0, + t_input2, + t_low2, + t_high2, + t_crit2, + t_hyst2, + t_num_regs }; /* @@ -115,60 +86,92 @@ static struct i2c_driver max1619_driver = { */ struct max1619_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ /* registers values */ - u8 temp_input1; /* local */ - u8 temp_input2, temp_low2, temp_high2; /* remote */ - u8 temp_crit2; - u8 temp_hyst2; + u8 temp[t_num_regs]; /* index with enum temp_index */ u8 alarms; }; +static const u8 regs_read[t_num_regs] = { + [t_input1] = MAX1619_REG_R_LOCAL_TEMP, + [t_input2] = MAX1619_REG_R_REMOTE_TEMP, + [t_low2] = MAX1619_REG_R_REMOTE_LOW, + [t_high2] = MAX1619_REG_R_REMOTE_HIGH, + [t_crit2] = MAX1619_REG_R_REMOTE_CRIT, + [t_hyst2] = MAX1619_REG_R_TCRIT_HYST, +}; + +static const u8 regs_write[t_num_regs] = { + [t_low2] = MAX1619_REG_W_REMOTE_LOW, + [t_high2] = MAX1619_REG_W_REMOTE_HIGH, + [t_crit2] = MAX1619_REG_W_REMOTE_CRIT, + [t_hyst2] = MAX1619_REG_W_TCRIT_HYST, +}; + +static struct max1619_data *max1619_update_device(struct device *dev) +{ + struct max1619_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int config, i; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { + dev_dbg(&client->dev, "Updating max1619 data.\n"); + for (i = 0; i < t_num_regs; i++) + data->temp[i] = i2c_smbus_read_byte_data(client, + regs_read[i]); + data->alarms = i2c_smbus_read_byte_data(client, + MAX1619_REG_R_STATUS); + /* If OVERT polarity is low, reverse alarm bit */ + config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG); + if (!(config & 0x20)) + data->alarms ^= 0x02; + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; +} + /* * Sysfs stuff */ -#define show_temp(value) \ -static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \ - char *buf) \ -{ \ - struct max1619_data *data = max1619_update_device(dev); \ - return sprintf(buf, "%d\n", temp_from_reg(data->value)); \ -} -show_temp(temp_input1); -show_temp(temp_input2); -show_temp(temp_low2); -show_temp(temp_high2); -show_temp(temp_crit2); -show_temp(temp_hyst2); - -#define set_temp2(value, reg) \ -static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \ - const char *buf, \ - size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct max1619_data *data = i2c_get_clientdata(client); \ - long val; \ - int err = kstrtol(buf, 10, &val); \ - if (err) \ - return err; \ -\ - mutex_lock(&data->update_lock); \ - data->value = temp_to_reg(val); \ - i2c_smbus_write_byte_data(client, reg, data->value); \ - mutex_unlock(&data->update_lock); \ - return count; \ +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct max1619_data *data = max1619_update_device(dev); + + return sprintf(buf, "%d\n", temp_from_reg(data->temp[attr->index])); } -set_temp2(temp_low2, MAX1619_REG_W_REMOTE_LOW); -set_temp2(temp_high2, MAX1619_REG_W_REMOTE_HIGH); -set_temp2(temp_crit2, MAX1619_REG_W_REMOTE_CRIT); -set_temp2(temp_hyst2, MAX1619_REG_W_TCRIT_HYST); +static ssize_t set_temp(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct max1619_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + long val; + int err = kstrtol(buf, 10, &val); + if (err) + return err; + + mutex_lock(&data->update_lock); + data->temp[attr->index] = temp_to_reg(val); + i2c_smbus_write_byte_data(client, regs_write[attr->index], + data->temp[attr->index]); + mutex_unlock(&data->update_lock); + return count; +} static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) @@ -185,29 +188,30 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); } -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL); -static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL); -static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2, - set_temp_low2); -static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2, - set_temp_high2); -static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2, - set_temp_crit2); -static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst2, - set_temp_hyst2); +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input1); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, t_input2); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_low2); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_high2); +static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp, set_temp, + t_crit2); +static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp, + set_temp, t_hyst2); + static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 1); static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3); static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4); -static struct attribute *max1619_attributes[] = { - &dev_attr_temp1_input.attr, - &dev_attr_temp2_input.attr, - &dev_attr_temp2_min.attr, - &dev_attr_temp2_max.attr, - &dev_attr_temp2_crit.attr, - &dev_attr_temp2_crit_hyst.attr, +static struct attribute *max1619_attrs[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, &dev_attr_alarms.attr, &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, @@ -216,14 +220,7 @@ static struct attribute *max1619_attributes[] = { &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group max1619_group = { - .attrs = max1619_attributes, -}; - -/* - * Real code - */ +ATTRIBUTE_GROUPS(max1619); /* Return 0 if detection is successful, -ENODEV otherwise */ static int max1619_detect(struct i2c_client *client, @@ -261,42 +258,6 @@ static int max1619_detect(struct i2c_client *client, return 0; } -static int max1619_probe(struct i2c_client *new_client, - const struct i2c_device_id *id) -{ - struct max1619_data *data; - int err; - - data = devm_kzalloc(&new_client->dev, sizeof(struct max1619_data), - GFP_KERNEL); - if (!data) - return -ENOMEM; - - i2c_set_clientdata(new_client, data); - data->valid = 0; - mutex_init(&data->update_lock); - - /* Initialize the MAX1619 chip */ - max1619_init_client(new_client); - - /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &max1619_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &max1619_group); - return err; -} - static void max1619_init_client(struct i2c_client *client) { u8 config; @@ -312,52 +273,49 @@ static void max1619_init_client(struct i2c_client *client) config & 0xBF); /* run */ } -static int max1619_remove(struct i2c_client *client) +static int max1619_probe(struct i2c_client *new_client, + const struct i2c_device_id *id) { - struct max1619_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &max1619_group); - - return 0; -} + struct max1619_data *data; + struct device *hwmon_dev; -static struct max1619_data *max1619_update_device(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - struct max1619_data *data = i2c_get_clientdata(client); + data = devm_kzalloc(&new_client->dev, sizeof(struct max1619_data), + GFP_KERNEL); + if (!data) + return -ENOMEM; - mutex_lock(&data->update_lock); + data->client = new_client; + mutex_init(&data->update_lock); - if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { - dev_dbg(&client->dev, "Updating max1619 data.\n"); - data->temp_input1 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_LOCAL_TEMP); - data->temp_input2 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_REMOTE_TEMP); - data->temp_high2 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_REMOTE_HIGH); - data->temp_low2 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_REMOTE_LOW); - data->temp_crit2 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_REMOTE_CRIT); - data->temp_hyst2 = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_TCRIT_HYST); - data->alarms = i2c_smbus_read_byte_data(client, - MAX1619_REG_R_STATUS); + /* Initialize the MAX1619 chip */ + max1619_init_client(new_client); - data->last_updated = jiffies; - data->valid = 1; - } + hwmon_dev = devm_hwmon_device_register_with_groups(&new_client->dev, + new_client->name, + data, + max1619_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); +} - mutex_unlock(&data->update_lock); +static const struct i2c_device_id max1619_id[] = { + { "max1619", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max1619_id); - return data; -} +static struct i2c_driver max1619_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "max1619", + }, + .probe = max1619_probe, + .id_table = max1619_id, + .detect = max1619_detect, + .address_list = normal_i2c, +}; module_i2c_driver(max1619_driver); -MODULE_AUTHOR("Oleksij Rempel <bug-track@fisher-privat.net> and " - "Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Oleksij Rempel <bug-track@fisher-privat.net>, Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("MAX1619 sensor driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c index a7626358c95..e3ed0a5b6d9 100644 --- a/drivers/hwmon/max1668.c +++ b/drivers/hwmon/max1668.c @@ -66,7 +66,8 @@ MODULE_PARM_DESC(read_only, "Don't set any values, read only mode"); enum chips { max1668, max1805, max1989 }; struct max1668_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[3]; enum chips type; struct mutex update_lock; @@ -82,8 +83,8 @@ struct max1668_data { static struct max1668_data *max1668_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct max1668_data *data = i2c_get_clientdata(client); + struct max1668_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct max1668_data *ret = data; s32 val; int i; @@ -205,8 +206,8 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct max1668_data *data = i2c_get_clientdata(client); + struct max1668_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long temp; int ret; @@ -216,10 +217,11 @@ static ssize_t set_temp_max(struct device *dev, mutex_lock(&data->update_lock); data->temp_max[index] = clamp_val(temp/1000, -128, 127); - if (i2c_smbus_write_byte_data(client, + ret = i2c_smbus_write_byte_data(client, MAX1668_REG_LIMH_WR(index), - data->temp_max[index])) - count = -EIO; + data->temp_max[index]); + if (ret < 0) + count = ret; mutex_unlock(&data->update_lock); return count; @@ -230,8 +232,8 @@ static ssize_t set_temp_min(struct device *dev, const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct max1668_data *data = i2c_get_clientdata(client); + struct max1668_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long temp; int ret; @@ -241,10 +243,11 @@ static ssize_t set_temp_min(struct device *dev, mutex_lock(&data->update_lock); data->temp_min[index] = clamp_val(temp/1000, -128, 127); - if (i2c_smbus_write_byte_data(client, + ret = i2c_smbus_write_byte_data(client, MAX1668_REG_LIML_WR(index), - data->temp_max[index])) - count = -EIO; + data->temp_min[index]); + if (ret < 0) + count = ret; mutex_unlock(&data->update_lock); return count; @@ -405,60 +408,29 @@ static int max1668_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = client->adapter; + struct device *dev = &client->dev; + struct device *hwmon_dev; struct max1668_data *data; - int err; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - data = devm_kzalloc(&client->dev, sizeof(struct max1668_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct max1668_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; data->type = id->driver_data; mutex_init(&data->update_lock); - /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &max1668_group_common); - if (err) - return err; - - if (data->type == max1668 || data->type == max1989) { - err = sysfs_create_group(&client->dev.kobj, - &max1668_group_unique); - if (err) - goto error_sysrem0; - } - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error_sysrem1; - } - - return 0; - -error_sysrem1: + /* sysfs hooks */ + data->groups[0] = &max1668_group_common; if (data->type == max1668 || data->type == max1989) - sysfs_remove_group(&client->dev.kobj, &max1668_group_unique); -error_sysrem0: - sysfs_remove_group(&client->dev.kobj, &max1668_group_common); - return err; -} - -static int max1668_remove(struct i2c_client *client) -{ - struct max1668_data *data = i2c_get_clientdata(client); + data->groups[1] = &max1668_group_unique; - hwmon_device_unregister(data->hwmon_dev); - if (data->type == max1668 || data->type == max1989) - sysfs_remove_group(&client->dev.kobj, &max1668_group_unique); - - sysfs_remove_group(&client->dev.kobj, &max1668_group_common); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id max1668_id[] = { @@ -476,7 +448,6 @@ static struct i2c_driver max1668_driver = { .name = "max1668", }, .probe = max1668_probe, - .remove = max1668_remove, .id_table = max1668_id, .detect = max1668_detect, .address_list = max1668_addr_list, diff --git a/drivers/hwmon/max197.c b/drivers/hwmon/max197.c index 96dccaf919d..82128ad79a9 100644 --- a/drivers/hwmon/max197.c +++ b/drivers/hwmon/max197.c @@ -275,10 +275,8 @@ static int max197_probe(struct platform_device *pdev) } data = devm_kzalloc(&pdev->dev, sizeof(struct max197_data), GFP_KERNEL); - if (!data) { - dev_err(&pdev->dev, "devm_kzalloc failed\n"); + if (!data) return -ENOMEM; - } data->pdata = pdata; mutex_init(&data->lock); diff --git a/drivers/hwmon/max6639.c b/drivers/hwmon/max6639.c index 066e587a18a..70650de2cbd 100644 --- a/drivers/hwmon/max6639.c +++ b/drivers/hwmon/max6639.c @@ -80,7 +80,7 @@ static const int rpm_ranges[] = { 2000, 4000, 8000, 16000 }; * Client data (each client gets its own) */ struct max6639_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -104,8 +104,8 @@ struct max6639_data { static struct max6639_data *max6639_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); + struct max6639_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct max6639_data *ret = data; int i; int status_reg; @@ -191,9 +191,8 @@ static ssize_t show_temp_fault(struct device *dev, static ssize_t show_temp_max(struct device *dev, struct device_attribute *dev_attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", (data->temp_therm[attr->index] * 1000)); } @@ -202,9 +201,9 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *dev_attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int res; @@ -224,9 +223,8 @@ static ssize_t set_temp_max(struct device *dev, static ssize_t show_temp_crit(struct device *dev, struct device_attribute *dev_attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", (data->temp_alert[attr->index] * 1000)); } @@ -235,9 +233,9 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *dev_attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int res; @@ -258,9 +256,8 @@ static ssize_t show_temp_emergency(struct device *dev, struct device_attribute *dev_attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", (data->temp_ot[attr->index] * 1000)); } @@ -269,9 +266,9 @@ static ssize_t set_temp_emergency(struct device *dev, struct device_attribute *dev_attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int res; @@ -291,9 +288,8 @@ static ssize_t set_temp_emergency(struct device *dev, static ssize_t show_pwm(struct device *dev, struct device_attribute *dev_attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d\n", data->pwm[attr->index] * 255 / 120); } @@ -302,9 +298,9 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *dev_attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6639_data *data = i2c_get_clientdata(client); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6639_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int res; @@ -378,7 +374,7 @@ static SENSOR_DEVICE_ATTR(temp1_emergency_alarm, S_IRUGO, show_alarm, NULL, 5); static SENSOR_DEVICE_ATTR(temp2_emergency_alarm, S_IRUGO, show_alarm, NULL, 4); -static struct attribute *max6639_attributes[] = { +static struct attribute *max6639_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp1_fault.dev_attr.attr, @@ -403,10 +399,7 @@ static struct attribute *max6639_attributes[] = { &sensor_dev_attr_temp2_emergency_alarm.dev_attr.attr, NULL }; - -static const struct attribute_group max6639_group = { - .attrs = max6639_attributes, -}; +ATTRIBUTE_GROUPS(max6639); /* * returns respective index in rpm_ranges table @@ -424,9 +417,9 @@ static int rpm_range_to_reg(int range) return 1; /* default: 4000 RPM */ } -static int max6639_init_client(struct i2c_client *client) +static int max6639_init_client(struct i2c_client *client, + struct max6639_data *data) { - struct max6639_data *data = i2c_get_clientdata(client); struct max6639_platform_data *max6639_info = dev_get_platdata(&client->dev); int i; @@ -545,50 +538,27 @@ static int max6639_detect(struct i2c_client *client, static int max6639_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct max6639_data *data; + struct device *hwmon_dev; int err; - data = devm_kzalloc(&client->dev, sizeof(struct max6639_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct max6639_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the max6639 chip */ - err = max6639_init_client(client); + err = max6639_init_client(client, data); if (err < 0) return err; - /* Register sysfs hooks */ - err = sysfs_create_group(&client->dev.kobj, &max6639_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error_remove; - } - - dev_info(&client->dev, "temperature sensor and fan control found\n"); - - return 0; - -error_remove: - sysfs_remove_group(&client->dev.kobj, &max6639_group); - return err; -} - -static int max6639_remove(struct i2c_client *client) -{ - struct max6639_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &max6639_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + max6639_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } #ifdef CONFIG_PM_SLEEP @@ -622,9 +592,7 @@ static const struct i2c_device_id max6639_id[] = { MODULE_DEVICE_TABLE(i2c, max6639_id); -static const struct dev_pm_ops max6639_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(max6639_suspend, max6639_resume) -}; +static SIMPLE_DEV_PM_OPS(max6639_pm_ops, max6639_suspend, max6639_resume); static struct i2c_driver max6639_driver = { .class = I2C_CLASS_HWMON, @@ -633,7 +601,6 @@ static struct i2c_driver max6639_driver = { .pm = &max6639_pm_ops, }, .probe = max6639_probe, - .remove = max6639_remove, .id_table = max6639_id, .detect = max6639_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/max6642.c b/drivers/hwmon/max6642.c index 57d58cd3220..6520bc51d02 100644 --- a/drivers/hwmon/max6642.c +++ b/drivers/hwmon/max6642.c @@ -8,7 +8,7 @@ * * Based on the max1619 driver. * Copyright (C) 2003-2004 Oleksij Rempel <bug-track@fisher-privat.net> - * Jean Delvare <khali@linux-fr.org> + * Jean Delvare <jdelvare@suse.de> * * The MAX6642 is a sensor chip made by Maxim. * It reports up to two temperatures (its own plus up to @@ -87,7 +87,7 @@ static int temp_to_reg(int val) */ struct max6642_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; bool valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -102,10 +102,10 @@ struct max6642_data { * Real code */ -static void max6642_init_client(struct i2c_client *client) +static void max6642_init_client(struct max6642_data *data, + struct i2c_client *client) { u8 config; - struct max6642_data *data = i2c_get_clientdata(client); /* * Start the conversions. @@ -168,14 +168,14 @@ static int max6642_detect(struct i2c_client *client, static struct max6642_data *max6642_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct max6642_data *data = i2c_get_clientdata(client); + struct max6642_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; u16 val, tmp; mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - dev_dbg(&client->dev, "Updating max6642 data.\n"); + dev_dbg(dev, "Updating max6642 data.\n"); val = i2c_smbus_read_byte_data(client, MAX6642_REG_R_LOCAL_TEMPL); tmp = (val >> 6) & 3; @@ -209,8 +209,8 @@ static struct max6642_data *max6642_update_device(struct device *dev) static ssize_t show_temp_max10(struct device *dev, struct device_attribute *dev_attr, char *buf) { - struct max6642_data *data = max6642_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(dev_attr); + struct max6642_data *data = max6642_update_device(dev); return sprintf(buf, "%d\n", temp_from_reg10(data->temp_input[attr->index])); @@ -219,8 +219,8 @@ static ssize_t show_temp_max10(struct device *dev, static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, char *buf) { - struct max6642_data *data = max6642_update_device(dev); struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr); + struct max6642_data *data = max6642_update_device(dev); return sprintf(buf, "%d\n", temp_from_reg(data->temp_high[attr2->nr])); } @@ -228,11 +228,10 @@ static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr); + struct max6642_data *data = dev_get_drvdata(dev); unsigned long val; int err; - struct i2c_client *client = to_i2c_client(dev); - struct max6642_data *data = i2c_get_clientdata(client); - struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr); err = kstrtoul(buf, 10, &val); if (err < 0) @@ -240,7 +239,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); data->temp_high[attr2->nr] = clamp_val(temp_to_reg(val), 0, 255); - i2c_smbus_write_byte_data(client, attr2->index, + i2c_smbus_write_byte_data(data->client, attr2->index, data->temp_high[attr2->nr]); mutex_unlock(&data->update_lock); return count; @@ -264,7 +263,7 @@ static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6); static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 4); -static struct attribute *max6642_attributes[] = { +static struct attribute *max6642_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, @@ -275,54 +274,29 @@ static struct attribute *max6642_attributes[] = { &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, NULL }; +ATTRIBUTE_GROUPS(max6642); -static const struct attribute_group max6642_group = { - .attrs = max6642_attributes, -}; - -static int max6642_probe(struct i2c_client *new_client, +static int max6642_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct max6642_data *data; - int err; + struct device *hwmon_dev; - data = devm_kzalloc(&new_client->dev, sizeof(struct max6642_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct max6642_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(new_client, data); + data->client = client; mutex_init(&data->update_lock); /* Initialize the MAX6642 chip */ - max6642_init_client(new_client); + max6642_init_client(data, client); - /* Register sysfs hooks */ - err = sysfs_create_group(&new_client->dev.kobj, &max6642_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove_files; - } - - return 0; - -exit_remove_files: - sysfs_remove_group(&new_client->dev.kobj, &max6642_group); - return err; -} - -static int max6642_remove(struct i2c_client *client) -{ - struct max6642_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &max6642_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev, + client->name, data, + max6642_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } /* @@ -341,7 +315,6 @@ static struct i2c_driver max6642_driver = { .name = "max6642", }, .probe = max6642_probe, - .remove = max6642_remove, .id_table = max6642_id, .detect = max6642_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index 3c16cbd4c00..162a520f4bd 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -105,38 +105,13 @@ module_param(clock, int, S_IRUGO); #define DIV_FROM_REG(reg) (1 << (reg & 7)) -static int max6650_probe(struct i2c_client *client, - const struct i2c_device_id *id); -static int max6650_init_client(struct i2c_client *client); -static int max6650_remove(struct i2c_client *client); -static struct max6650_data *max6650_update_device(struct device *dev); - -/* - * Driver data (common to all clients) - */ - -static const struct i2c_device_id max6650_id[] = { - { "max6650", 1 }, - { "max6651", 4 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, max6650_id); - -static struct i2c_driver max6650_driver = { - .driver = { - .name = "max6650", - }, - .probe = max6650_probe, - .remove = max6650_remove, - .id_table = max6650_id, -}; - /* * Client data (each client gets its own) */ struct max6650_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[3]; struct mutex update_lock; int nr_fans; char valid; /* zero until following fields are valid */ @@ -151,6 +126,51 @@ struct max6650_data { u8 alarm; }; +static const u8 tach_reg[] = { + MAX6650_REG_TACH0, + MAX6650_REG_TACH1, + MAX6650_REG_TACH2, + MAX6650_REG_TACH3, +}; + +static struct max6650_data *max6650_update_device(struct device *dev) +{ + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + int i; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { + data->speed = i2c_smbus_read_byte_data(client, + MAX6650_REG_SPEED); + data->config = i2c_smbus_read_byte_data(client, + MAX6650_REG_CONFIG); + for (i = 0; i < data->nr_fans; i++) { + data->tach[i] = i2c_smbus_read_byte_data(client, + tach_reg[i]); + } + data->count = i2c_smbus_read_byte_data(client, + MAX6650_REG_COUNT); + data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC); + + /* + * Alarms are cleared on read in case the condition that + * caused the alarm is removed. Keep the value latched here + * for providing the register through different alarm files. + */ + data->alarm |= i2c_smbus_read_byte_data(client, + MAX6650_REG_ALARM); + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + + return data; +} + static ssize_t get_fan(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -235,8 +255,8 @@ static ssize_t get_target(struct device *dev, struct device_attribute *devattr, static ssize_t set_target(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6650_data *data = i2c_get_clientdata(client); + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int kscale, ktach; unsigned long rpm; int err; @@ -304,8 +324,8 @@ static ssize_t get_pwm(struct device *dev, struct device_attribute *devattr, static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6650_data *data = i2c_get_clientdata(client); + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long pwm; int err; @@ -350,8 +370,8 @@ static ssize_t get_enable(struct device *dev, struct device_attribute *devattr, static ssize_t set_enable(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6650_data *data = i2c_get_clientdata(client); + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int max6650_modes[3] = {0, 3, 2}; unsigned long mode; int err; @@ -400,8 +420,8 @@ static ssize_t get_div(struct device *dev, struct device_attribute *devattr, static ssize_t set_div(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct max6650_data *data = i2c_get_clientdata(client); + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long div; int err; @@ -446,7 +466,7 @@ static ssize_t get_alarm(struct device *dev, struct device_attribute *devattr, { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct max6650_data *data = max6650_update_device(dev); - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = data->client; int alarm = 0; if (data->alarm & attr->index) { @@ -484,7 +504,8 @@ static umode_t max6650_attrs_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); + struct max6650_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; u8 alarm_en = i2c_smbus_read_byte_data(client, MAX6650_REG_ALARM_EN); struct device_attribute *devattr; @@ -519,7 +540,7 @@ static struct attribute *max6650_attrs[] = { NULL }; -static struct attribute_group max6650_attr_grp = { +static const struct attribute_group max6650_group = { .attrs = max6650_attrs, .is_visible = max6650_attrs_visible, }; @@ -531,7 +552,7 @@ static struct attribute *max6651_attrs[] = { NULL }; -static const struct attribute_group max6651_attr_grp = { +static const struct attribute_group max6651_group = { .attrs = max6651_attrs, }; @@ -539,74 +560,17 @@ static const struct attribute_group max6651_attr_grp = { * Real code */ -static int max6650_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct max6650_data *data; - int err; - - data = devm_kzalloc(&client->dev, sizeof(struct max6650_data), - GFP_KERNEL); - if (!data) { - dev_err(&client->dev, "out of memory.\n"); - return -ENOMEM; - } - - i2c_set_clientdata(client, data); - mutex_init(&data->update_lock); - data->nr_fans = id->driver_data; - - /* - * Initialize the max6650 chip - */ - err = max6650_init_client(client); - if (err) - return err; - - err = sysfs_create_group(&client->dev.kobj, &max6650_attr_grp); - if (err) - return err; - /* 3 additional fan inputs for the MAX6651 */ - if (data->nr_fans == 4) { - err = sysfs_create_group(&client->dev.kobj, &max6651_attr_grp); - if (err) - goto err_remove; - } - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (!IS_ERR(data->hwmon_dev)) - return 0; - - err = PTR_ERR(data->hwmon_dev); - dev_err(&client->dev, "error registering hwmon device.\n"); - if (data->nr_fans == 4) - sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp); -err_remove: - sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp); - return err; -} - -static int max6650_remove(struct i2c_client *client) +static int max6650_init_client(struct max6650_data *data, + struct i2c_client *client) { - struct max6650_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - if (data->nr_fans == 4) - sysfs_remove_group(&client->dev.kobj, &max6651_attr_grp); - sysfs_remove_group(&client->dev.kobj, &max6650_attr_grp); - return 0; -} - -static int max6650_init_client(struct i2c_client *client) -{ - struct max6650_data *data = i2c_get_clientdata(client); + struct device *dev = &client->dev; int config; int err = -EIO; config = i2c_smbus_read_byte_data(client, MAX6650_REG_CONFIG); if (config < 0) { - dev_err(&client->dev, "Error reading config, aborting.\n"); + dev_err(dev, "Error reading config, aborting.\n"); return err; } @@ -620,11 +584,11 @@ static int max6650_init_client(struct i2c_client *client) config |= MAX6650_CFG_V12; break; default: - dev_err(&client->dev, "illegal value for fan_voltage (%d)\n", + dev_err(dev, "illegal value for fan_voltage (%d)\n", fan_voltage); } - dev_info(&client->dev, "Fan voltage is set to %dV.\n", + dev_info(dev, "Fan voltage is set to %dV.\n", (config & MAX6650_CFG_V12) ? 12 : 5); switch (prescaler) { @@ -650,31 +614,30 @@ static int max6650_init_client(struct i2c_client *client) | MAX6650_CFG_PRESCALER_16; break; default: - dev_err(&client->dev, "illegal value for prescaler (%d)\n", - prescaler); + dev_err(dev, "illegal value for prescaler (%d)\n", prescaler); } - dev_info(&client->dev, "Prescaler is set to %d.\n", + dev_info(dev, "Prescaler is set to %d.\n", 1 << (config & MAX6650_CFG_PRESCALER_MASK)); /* * If mode is set to "full off", we change it to "open loop" and * set DAC to 255, which has the same effect. We do this because - * there's no "full off" mode defined in hwmon specifcations. + * there's no "full off" mode defined in hwmon specifications. */ if ((config & MAX6650_CFG_MODE_MASK) == MAX6650_CFG_MODE_OFF) { - dev_dbg(&client->dev, "Change mode to open loop, full off.\n"); + dev_dbg(dev, "Change mode to open loop, full off.\n"); config = (config & ~MAX6650_CFG_MODE_MASK) | MAX6650_CFG_MODE_OPEN_LOOP; if (i2c_smbus_write_byte_data(client, MAX6650_REG_DAC, 255)) { - dev_err(&client->dev, "DAC write error, aborting.\n"); + dev_err(dev, "DAC write error, aborting.\n"); return err; } } if (i2c_smbus_write_byte_data(client, MAX6650_REG_CONFIG, config)) { - dev_err(&client->dev, "Config write error, aborting.\n"); + dev_err(dev, "Config write error, aborting.\n"); return err; } @@ -684,51 +647,55 @@ static int max6650_init_client(struct i2c_client *client) return 0; } -static const u8 tach_reg[] = { - MAX6650_REG_TACH0, - MAX6650_REG_TACH1, - MAX6650_REG_TACH2, - MAX6650_REG_TACH3, -}; - -static struct max6650_data *max6650_update_device(struct device *dev) +static int max6650_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - int i; - struct i2c_client *client = to_i2c_client(dev); - struct max6650_data *data = i2c_get_clientdata(client); - - mutex_lock(&data->update_lock); + struct device *dev = &client->dev; + struct max6650_data *data; + struct device *hwmon_dev; + int err; - if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - data->speed = i2c_smbus_read_byte_data(client, - MAX6650_REG_SPEED); - data->config = i2c_smbus_read_byte_data(client, - MAX6650_REG_CONFIG); - for (i = 0; i < data->nr_fans; i++) { - data->tach[i] = i2c_smbus_read_byte_data(client, - tach_reg[i]); - } - data->count = i2c_smbus_read_byte_data(client, - MAX6650_REG_COUNT); - data->dac = i2c_smbus_read_byte_data(client, MAX6650_REG_DAC); + data = devm_kzalloc(dev, sizeof(struct max6650_data), GFP_KERNEL); + if (!data) + return -ENOMEM; - /* - * Alarms are cleared on read in case the condition that - * caused the alarm is removed. Keep the value latched here - * for providing the register through different alarm files. - */ - data->alarm |= i2c_smbus_read_byte_data(client, - MAX6650_REG_ALARM); + data->client = client; + mutex_init(&data->update_lock); + data->nr_fans = id->driver_data; - data->last_updated = jiffies; - data->valid = 1; - } + /* + * Initialize the max6650 chip + */ + err = max6650_init_client(data, client); + if (err) + return err; - mutex_unlock(&data->update_lock); + data->groups[0] = &max6650_group; + /* 3 additional fan inputs for the MAX6651 */ + if (data->nr_fans == 4) + data->groups[1] = &max6651_group; - return data; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, + client->name, data, + data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } +static const struct i2c_device_id max6650_id[] = { + { "max6650", 1 }, + { "max6651", 4 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max6650_id); + +static struct i2c_driver max6650_driver = { + .driver = { + .name = "max6650", + }, + .probe = max6650_probe, + .id_table = max6650_id, +}; + module_i2c_driver(max6650_driver); MODULE_AUTHOR("Hans J. Koch"); diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c index a41b5f3fc50..7fd3eaf817f 100644 --- a/drivers/hwmon/max6697.c +++ b/drivers/hwmon/max6697.c @@ -77,7 +77,7 @@ struct max6697_chip_data { }; struct max6697_data { - struct device *hwmon_dev; + struct i2c_client *client; enum chips type; const struct max6697_chip_data *chip; @@ -181,8 +181,8 @@ static const struct max6697_chip_data max6697_chip_data[] = { static struct max6697_data *max6697_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct max6697_data *data = i2c_get_clientdata(client); + struct max6697_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct max6697_data *ret = data; int val; int i; @@ -303,8 +303,7 @@ static ssize_t set_temp(struct device *dev, { int nr = to_sensor_dev_attr_2(devattr)->nr; int index = to_sensor_dev_attr_2(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct max6697_data *data = i2c_get_clientdata(client); + struct max6697_data *data = dev_get_drvdata(dev); long temp; int ret; @@ -316,7 +315,7 @@ static ssize_t set_temp(struct device *dev, temp = DIV_ROUND_CLOSEST(temp, 1000) + data->temp_offset; temp = clamp_val(temp, 0, data->type == max6581 ? 255 : 127); data->temp[nr][index] = temp; - ret = i2c_smbus_write_byte_data(client, + ret = i2c_smbus_write_byte_data(data->client, index == 2 ? MAX6697_REG_MAX[nr] : MAX6697_REG_CRIT[nr], temp); @@ -405,8 +404,7 @@ static umode_t max6697_is_visible(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct i2c_client *client = to_i2c_client(dev); - struct max6697_data *data = i2c_get_clientdata(client); + struct max6697_data *data = dev_get_drvdata(dev); const struct max6697_chip_data *chip = data->chip; int channel = index / 6; /* channel number */ int nr = index % 6; /* attribute index within channel */ @@ -489,6 +487,7 @@ static struct attribute *max6697_attributes[] = { static const struct attribute_group max6697_group = { .attrs = max6697_attributes, .is_visible = max6697_is_visible, }; +__ATTRIBUTE_GROUPS(max6697); static void max6697_get_config_of(struct device_node *node, struct max6697_platform_data *pdata) @@ -525,9 +524,9 @@ static void max6697_get_config_of(struct device_node *node, } } -static int max6697_init_chip(struct i2c_client *client) +static int max6697_init_chip(struct max6697_data *data, + struct i2c_client *client) { - struct max6697_data *data = i2c_get_clientdata(client); struct max6697_platform_data *pdata = dev_get_platdata(&client->dev); struct max6697_platform_data p; const struct max6697_chip_data *chip = data->chip; @@ -625,6 +624,7 @@ static int max6697_probe(struct i2c_client *client, struct i2c_adapter *adapter = client->adapter; struct device *dev = &client->dev; struct max6697_data *data; + struct device *hwmon_dev; int err; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -636,39 +636,17 @@ static int max6697_probe(struct i2c_client *client, data->type = id->driver_data; data->chip = &max6697_chip_data[data->type]; - - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); - err = max6697_init_chip(client); - if (err) - return err; - - err = sysfs_create_group(&client->dev.kobj, &max6697_group); + err = max6697_init_chip(data, client); 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; - } - - return 0; - -error: - sysfs_remove_group(&client->dev.kobj, &max6697_group); - return err; -} - -static int max6697_remove(struct i2c_client *client) -{ - struct max6697_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &max6697_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, + max6697_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static const struct i2c_device_id max6697_id[] = { @@ -692,7 +670,6 @@ static struct i2c_driver max6697_driver = { .name = "max6697", }, .probe = max6697_probe, - .remove = max6697_remove, .id_table = max6697_id, }; diff --git a/drivers/hwmon/mc13783-adc.c b/drivers/hwmon/mc13783-adc.c index 982d8622c09..ae00e60d856 100644 --- a/drivers/hwmon/mc13783-adc.c +++ b/drivers/hwmon/mc13783-adc.c @@ -37,7 +37,7 @@ struct mc13783_adc_priv { struct mc13xxx *mc13xxx; struct device *hwmon_dev; - char name[10]; + char name[PLATFORM_NAME_SIZE]; }; static ssize_t mc13783_adc_show_name(struct device *dev, struct device_attribute diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c new file mode 100644 index 00000000000..7710f4694ba --- /dev/null +++ b/drivers/hwmon/nct6683.c @@ -0,0 +1,1457 @@ +/* + * nct6683 - Driver for the hardware monitoring functionality of + * Nuvoton NCT6683D eSIO + * + * Copyright (C) 2013 Guenter Roeck <linux@roeck-us.net> + * + * Derived from nct6775 driver + * Copyright (C) 2012, 2013 Guenter Roeck <linux@roeck-us.net> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Supports the following chips: + * + * Chip #vin #fan #pwm #temp chip ID + * nct6683d 21(1) 16 8 32(1) 0xc730 + * + * Notes: + * (1) Total number of vin and temp inputs is 32. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/acpi.h> +#include <linux/dmi.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/jiffies.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +enum kinds { nct6683 }; + +static bool force; +module_param(force, bool, 0); +MODULE_PARM_DESC(force, "Set to one to enable detection on non-Intel boards"); + +static const char * const nct6683_device_names[] = { + "nct6683", +}; + +static const char * const nct6683_chip_names[] = { + "NCT6683D", +}; + +#define DRVNAME "nct6683" + +/* + * Super-I/O constants and functions + */ + +#define NCT6683_LD_ACPI 0x0a +#define NCT6683_LD_HWM 0x0b +#define NCT6683_LD_VID 0x0d + +#define SIO_REG_LDSEL 0x07 /* Logical device select */ +#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ +#define SIO_REG_ENABLE 0x30 /* Logical device enable */ +#define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ + +#define SIO_NCT6681_ID 0xb270 /* for later */ +#define SIO_NCT6683_ID 0xc730 +#define SIO_ID_MASK 0xFFF0 + +static inline void +superio_outb(int ioreg, int reg, int val) +{ + outb(reg, ioreg); + outb(val, ioreg + 1); +} + +static inline int +superio_inb(int ioreg, int reg) +{ + outb(reg, ioreg); + return inb(ioreg + 1); +} + +static inline void +superio_select(int ioreg, int ld) +{ + outb(SIO_REG_LDSEL, ioreg); + outb(ld, ioreg + 1); +} + +static inline int +superio_enter(int ioreg) +{ + /* + * Try to reserve <ioreg> and <ioreg + 1> for exclusive access. + */ + if (!request_muxed_region(ioreg, 2, DRVNAME)) + return -EBUSY; + + outb(0x87, ioreg); + outb(0x87, ioreg); + + return 0; +} + +static inline void +superio_exit(int ioreg) +{ + outb(0xaa, ioreg); + outb(0x02, ioreg); + outb(0x02, ioreg + 1); + release_region(ioreg, 2); +} + +/* + * ISA constants + */ + +#define IOREGION_ALIGNMENT (~7) +#define IOREGION_OFFSET 4 /* Use EC port 1 */ +#define IOREGION_LENGTH 4 + +#define EC_PAGE_REG 0 +#define EC_INDEX_REG 1 +#define EC_DATA_REG 2 +#define EC_EVENT_REG 3 + +/* Common and NCT6683 specific data */ + +#define NCT6683_NUM_REG_MON 32 +#define NCT6683_NUM_REG_FAN 16 +#define NCT6683_NUM_REG_PWM 8 + +#define NCT6683_REG_MON(x) (0x100 + (x) * 2) +#define NCT6683_REG_FAN_RPM(x) (0x140 + (x) * 2) +#define NCT6683_REG_PWM(x) (0x160 + (x)) + +#define NCT6683_REG_MON_STS(x) (0x174 + (x)) +#define NCT6683_REG_IDLE(x) (0x178 + (x)) + +#define NCT6683_REG_FAN_STS(x) (0x17c + (x)) +#define NCT6683_REG_FAN_ERRSTS 0x17e +#define NCT6683_REG_FAN_INITSTS 0x17f + +#define NCT6683_HWM_CFG 0x180 + +#define NCT6683_REG_MON_CFG(x) (0x1a0 + (x)) +#define NCT6683_REG_FANIN_CFG(x) (0x1c0 + (x)) +#define NCT6683_REG_FANOUT_CFG(x) (0x1d0 + (x)) + +#define NCT6683_REG_INTEL_TEMP_MAX(x) (0x901 + (x) * 16) +#define NCT6683_REG_INTEL_TEMP_CRIT(x) (0x90d + (x) * 16) + +#define NCT6683_REG_TEMP_HYST(x) (0x330 + (x)) /* 8 bit */ +#define NCT6683_REG_TEMP_MAX(x) (0x350 + (x)) /* 8 bit */ +#define NCT6683_REG_MON_HIGH(x) (0x370 + (x) * 2) /* 8 bit */ +#define NCT6683_REG_MON_LOW(x) (0x371 + (x) * 2) /* 8 bit */ + +#define NCT6683_REG_FAN_MIN(x) (0x3b8 + (x) * 2) /* 16 bit */ + +#define NCT6683_REG_CUSTOMER_ID 0x602 +#define NCT6683_CUSTOMER_ID_INTEL 0x805 + +#define NCT6683_REG_BUILD_YEAR 0x604 +#define NCT6683_REG_BUILD_MONTH 0x605 +#define NCT6683_REG_BUILD_DAY 0x606 +#define NCT6683_REG_SERIAL 0x607 +#define NCT6683_REG_VERSION_HI 0x608 +#define NCT6683_REG_VERSION_LO 0x609 + +#define NCT6683_REG_CR_CASEOPEN 0xe8 +#define NCT6683_CR_CASEOPEN_MASK (1 << 7) + +#define NCT6683_REG_CR_BEEP 0xe0 +#define NCT6683_CR_BEEP_MASK (1 << 6) + +static const char *const nct6683_mon_label[] = { + NULL, /* disabled */ + "Local", + "Diode 0 (curr)", + "Diode 1 (curr)", + "Diode 2 (curr)", + "Diode 0 (volt)", + "Diode 1 (volt)", + "Diode 2 (volt)", + "Thermistor 14", + "Thermistor 15", + "Thermistor 16", + "Thermistor 0", + "Thermistor 1", + "Thermistor 2", + "Thermistor 3", + "Thermistor 4", + "Thermistor 5", /* 0x10 */ + "Thermistor 6", + "Thermistor 7", + "Thermistor 8", + "Thermistor 9", + "Thermistor 10", + "Thermistor 11", + "Thermistor 12", + "Thermistor 13", + NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "PECI 0.0", /* 0x20 */ + "PECI 1.0", + "PECI 2.0", + "PECI 3.0", + "PECI 0.1", + "PECI 1.1", + "PECI 2.1", + "PECI 3.1", + "PECI DIMM 0", + "PECI DIMM 1", + "PECI DIMM 2", + "PECI DIMM 3", + NULL, NULL, NULL, NULL, + "PCH CPU", /* 0x30 */ + "PCH CHIP", + "PCH CHIP CPU MAX", + "PCH MCH", + "PCH DIMM 0", + "PCH DIMM 1", + "PCH DIMM 2", + "PCH DIMM 3", + "SMBus 0", + "SMBus 1", + "SMBus 2", + "SMBus 3", + "SMBus 4", + "SMBus 5", + "DIMM 0", + "DIMM 1", + "DIMM 2", /* 0x40 */ + "DIMM 3", + "AMD TSI Addr 90h", + "AMD TSI Addr 92h", + "AMD TSI Addr 94h", + "AMD TSI Addr 96h", + "AMD TSI Addr 98h", + "AMD TSI Addr 9ah", + "AMD TSI Addr 9ch", + "AMD TSI Addr 9dh", + NULL, NULL, NULL, NULL, NULL, NULL, + "Virtual 0", /* 0x50 */ + "Virtual 1", + "Virtual 2", + "Virtual 3", + "Virtual 4", + "Virtual 5", + "Virtual 6", + "Virtual 7", + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, + "VCC", /* 0x60 voltage sensors */ + "VSB", + "AVSB", + "VTT", + "VBAT", + "VREF", + "VIN0", + "VIN1", + "VIN2", + "VIN3", + "VIN4", + "VIN5", + "VIN6", + "VIN7", + "VIN8", + "VIN9", + "VIN10", + "VIN11", + "VIN12", + "VIN13", + "VIN14", + "VIN15", + "VIN16", +}; + +#define NUM_MON_LABELS ARRAY_SIZE(nct6683_mon_label) +#define MON_VOLTAGE_START 0x60 + +/* ------------------------------------------------------- */ + +struct nct6683_data { + int addr; /* IO base of EC space */ + int sioreg; /* SIO register */ + enum kinds kind; + u16 customer_id; + + struct device *hwmon_dev; + const struct attribute_group *groups[6]; + + int temp_num; /* number of temperature attributes */ + u8 temp_index[NCT6683_NUM_REG_MON]; + u8 temp_src[NCT6683_NUM_REG_MON]; + + u8 in_num; /* number of voltage attributes */ + u8 in_index[NCT6683_NUM_REG_MON]; + u8 in_src[NCT6683_NUM_REG_MON]; + + struct mutex update_lock; /* used to protect sensor updates */ + bool valid; /* true if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + /* Voltage attribute values */ + u8 in[3][NCT6683_NUM_REG_MON]; /* [0]=in, [1]=in_max, [2]=in_min */ + + /* Temperature attribute values */ + s16 temp_in[NCT6683_NUM_REG_MON]; + s8 temp[4][NCT6683_NUM_REG_MON];/* [0]=min, [1]=max, [2]=hyst, + * [3]=crit + */ + + /* Fan attribute values */ + unsigned int rpm[NCT6683_NUM_REG_FAN]; + u16 fan_min[NCT6683_NUM_REG_FAN]; + u8 fanin_cfg[NCT6683_NUM_REG_FAN]; + u8 fanout_cfg[NCT6683_NUM_REG_FAN]; + u16 have_fan; /* some fan inputs can be disabled */ + + u8 have_pwm; + u8 pwm[NCT6683_NUM_REG_PWM]; + +#ifdef CONFIG_PM + /* Remember extra register values over suspend/resume */ + u8 hwm_cfg; +#endif +}; + +struct nct6683_sio_data { + int sioreg; + enum kinds kind; +}; + +struct sensor_device_template { + struct device_attribute dev_attr; + union { + struct { + u8 nr; + u8 index; + } s; + int index; + } u; + bool s2; /* true if both index and nr are used */ +}; + +struct sensor_device_attr_u { + union { + struct sensor_device_attribute a1; + struct sensor_device_attribute_2 a2; + } u; + char name[32]; +}; + +#define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \ + .attr = {.name = _template, .mode = _mode }, \ + .show = _show, \ + .store = _store, \ +} + +#define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \ + { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ + .u.index = _index, \ + .s2 = false } + +#define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ + _nr, _index) \ + { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ + .u.s.index = _index, \ + .u.s.nr = _nr, \ + .s2 = true } + +#define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \ +static struct sensor_device_template sensor_dev_template_##_name \ + = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \ + _index) + +#define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ + _nr, _index) \ +static struct sensor_device_template sensor_dev_template_##_name \ + = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ + _nr, _index) + +struct sensor_template_group { + struct sensor_device_template **templates; + umode_t (*is_visible)(struct kobject *, struct attribute *, int); + int base; +}; + +static struct attribute_group * +nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg, + int repeat) +{ + struct sensor_device_attribute_2 *a2; + struct sensor_device_attribute *a; + struct sensor_device_template **t; + struct sensor_device_attr_u *su; + struct attribute_group *group; + struct attribute **attrs; + int i, j, count; + + if (repeat <= 0) + return ERR_PTR(-EINVAL); + + t = tg->templates; + for (count = 0; *t; t++, count++) + ; + + if (count == 0) + return ERR_PTR(-EINVAL); + + group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); + if (group == NULL) + return ERR_PTR(-ENOMEM); + + attrs = devm_kzalloc(dev, sizeof(*attrs) * (repeat * count + 1), + GFP_KERNEL); + if (attrs == NULL) + return ERR_PTR(-ENOMEM); + + su = devm_kzalloc(dev, sizeof(*su) * repeat * count, + GFP_KERNEL); + if (su == NULL) + return ERR_PTR(-ENOMEM); + + group->attrs = attrs; + group->is_visible = tg->is_visible; + + for (i = 0; i < repeat; i++) { + t = tg->templates; + for (j = 0; *t != NULL; j++) { + snprintf(su->name, sizeof(su->name), + (*t)->dev_attr.attr.name, tg->base + i); + if ((*t)->s2) { + a2 = &su->u.a2; + a2->dev_attr.attr.name = su->name; + a2->nr = (*t)->u.s.nr + i; + a2->index = (*t)->u.s.index; + a2->dev_attr.attr.mode = + (*t)->dev_attr.attr.mode; + a2->dev_attr.show = (*t)->dev_attr.show; + a2->dev_attr.store = (*t)->dev_attr.store; + *attrs = &a2->dev_attr.attr; + } else { + a = &su->u.a1; + a->dev_attr.attr.name = su->name; + a->index = (*t)->u.index + i; + a->dev_attr.attr.mode = + (*t)->dev_attr.attr.mode; + a->dev_attr.show = (*t)->dev_attr.show; + a->dev_attr.store = (*t)->dev_attr.store; + *attrs = &a->dev_attr.attr; + } + attrs++; + su++; + t++; + } + } + + return group; +} + +/* LSB is 16 mV, except for the following sources, where it is 32 mV */ +#define MON_SRC_VCC 0x60 +#define MON_SRC_VSB 0x61 +#define MON_SRC_AVSB 0x62 +#define MON_SRC_VBAT 0x64 + +static inline long in_from_reg(u16 reg, u8 src) +{ + int scale = 16; + + if (src == MON_SRC_VCC || src == MON_SRC_VSB || src == MON_SRC_AVSB || + src == MON_SRC_VBAT) + scale <<= 1; + return reg * scale; +} + +static inline u16 in_to_reg(u32 val, u8 src) +{ + int scale = 16; + + if (src == MON_SRC_VCC || src == MON_SRC_VSB || src == MON_SRC_AVSB || + src == MON_SRC_VBAT) + scale <<= 1; + + return clamp_val(DIV_ROUND_CLOSEST(val, scale), 0, 127); +} + +static u16 nct6683_read(struct nct6683_data *data, u16 reg) +{ + int res; + + outb_p(0xff, data->addr + EC_PAGE_REG); /* unlock */ + outb_p(reg >> 8, data->addr + EC_PAGE_REG); + outb_p(reg & 0xff, data->addr + EC_INDEX_REG); + res = inb_p(data->addr + EC_DATA_REG); + return res; +} + +static u16 nct6683_read16(struct nct6683_data *data, u16 reg) +{ + return (nct6683_read(data, reg) << 8) | nct6683_read(data, reg + 1); +} + +static void nct6683_write(struct nct6683_data *data, u16 reg, u16 value) +{ + outb_p(0xff, data->addr + EC_PAGE_REG); /* unlock */ + outb_p(reg >> 8, data->addr + EC_PAGE_REG); + outb_p(reg & 0xff, data->addr + EC_INDEX_REG); + outb_p(value & 0xff, data->addr + EC_DATA_REG); +} + +static int get_in_reg(struct nct6683_data *data, int nr, int index) +{ + int ch = data->in_index[index]; + int reg = -EINVAL; + + switch (nr) { + case 0: + reg = NCT6683_REG_MON(ch); + break; + case 1: + if (data->customer_id != NCT6683_CUSTOMER_ID_INTEL) + reg = NCT6683_REG_MON_LOW(ch); + break; + case 2: + if (data->customer_id != NCT6683_CUSTOMER_ID_INTEL) + reg = NCT6683_REG_MON_HIGH(ch); + break; + default: + break; + } + return reg; +} + +static int get_temp_reg(struct nct6683_data *data, int nr, int index) +{ + int ch = data->temp_index[index]; + int reg = -EINVAL; + + switch (data->customer_id) { + case NCT6683_CUSTOMER_ID_INTEL: + switch (nr) { + default: + case 1: /* max */ + reg = NCT6683_REG_INTEL_TEMP_MAX(ch); + break; + case 3: /* crit */ + reg = NCT6683_REG_INTEL_TEMP_CRIT(ch); + break; + } + break; + default: + switch (nr) { + default: + case 0: /* min */ + reg = NCT6683_REG_MON_LOW(ch); + break; + case 1: /* max */ + reg = NCT6683_REG_TEMP_MAX(ch); + break; + case 2: /* hyst */ + reg = NCT6683_REG_TEMP_HYST(ch); + break; + case 3: /* crit */ + reg = NCT6683_REG_MON_HIGH(ch); + break; + } + break; + } + return reg; +} + +static void nct6683_update_pwm(struct device *dev) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + int i; + + for (i = 0; i < NCT6683_NUM_REG_PWM; i++) { + if (!(data->have_pwm & (1 << i))) + continue; + data->pwm[i] = nct6683_read(data, NCT6683_REG_PWM(i)); + } +} + +static struct nct6683_data *nct6683_update_device(struct device *dev) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + int i, j; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { + /* Measured voltages and limits */ + for (i = 0; i < data->in_num; i++) { + for (j = 0; j < 3; j++) { + int reg = get_in_reg(data, j, i); + + if (reg >= 0) + data->in[j][i] = + nct6683_read(data, reg); + } + } + + /* Measured temperatures and limits */ + for (i = 0; i < data->temp_num; i++) { + u8 ch = data->temp_index[i]; + + data->temp_in[i] = nct6683_read16(data, + NCT6683_REG_MON(ch)); + for (j = 0; j < 4; j++) { + int reg = get_temp_reg(data, j, i); + + if (reg >= 0) + data->temp[j][i] = + nct6683_read(data, reg); + } + } + + /* Measured fan speeds and limits */ + for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { + if (!(data->have_fan & (1 << i))) + continue; + + data->rpm[i] = nct6683_read16(data, + NCT6683_REG_FAN_RPM(i)); + data->fan_min[i] = nct6683_read16(data, + NCT6683_REG_FAN_MIN(i)); + } + + nct6683_update_pwm(dev); + + data->last_updated = jiffies; + data->valid = true; + } + + mutex_unlock(&data->update_lock); + return data; +} + +/* + * Sysfs callback functions + */ +static ssize_t +show_in_label(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int nr = sattr->index; + + return sprintf(buf, "%s\n", nct6683_mon_label[data->in_src[nr]]); +} + +static ssize_t +show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int index = sattr->index; + int nr = sattr->nr; + + return sprintf(buf, "%ld\n", + in_from_reg(data->in[index][nr], data->in_index[index])); +} + +static umode_t nct6683_in_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct nct6683_data *data = dev_get_drvdata(dev); + int nr = index % 4; /* attribute */ + + /* + * Voltage limits exist for Intel boards, + * but register location and encoding is unknown + */ + if ((nr == 2 || nr == 3) && + data->customer_id == NCT6683_CUSTOMER_ID_INTEL) + return 0; + + return attr->mode; +} + +SENSOR_TEMPLATE(in_label, "in%d_label", S_IRUGO, show_in_label, NULL, 0); +SENSOR_TEMPLATE_2(in_input, "in%d_input", S_IRUGO, show_in_reg, NULL, 0, 0); +SENSOR_TEMPLATE_2(in_min, "in%d_min", S_IRUGO, show_in_reg, NULL, 0, 1); +SENSOR_TEMPLATE_2(in_max, "in%d_max", S_IRUGO, show_in_reg, NULL, 0, 2); + +static struct sensor_device_template *nct6683_attributes_in_template[] = { + &sensor_dev_template_in_label, + &sensor_dev_template_in_input, + &sensor_dev_template_in_min, + &sensor_dev_template_in_max, + NULL +}; + +static struct sensor_template_group nct6683_in_template_group = { + .templates = nct6683_attributes_in_template, + .is_visible = nct6683_in_is_visible, +}; + +static ssize_t +show_fan(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + + return sprintf(buf, "%d\n", data->rpm[sattr->index]); +} + +static ssize_t +show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6683_data *data = nct6683_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + + return sprintf(buf, "%d\n", data->fan_min[nr]); +} + +static ssize_t +show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + + return sprintf(buf, "%d\n", + ((data->fanin_cfg[sattr->index] >> 5) & 0x03) + 1); +} + +static umode_t nct6683_fan_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct nct6683_data *data = dev_get_drvdata(dev); + int fan = index / 3; /* fan index */ + int nr = index % 3; /* attribute index */ + + if (!(data->have_fan & (1 << fan))) + return 0; + + /* + * Intel may have minimum fan speed limits, + * but register location and encoding are unknown. + */ + if (nr == 2 && data->customer_id == NCT6683_CUSTOMER_ID_INTEL) + return 0; + + return attr->mode; +} + +SENSOR_TEMPLATE(fan_input, "fan%d_input", S_IRUGO, show_fan, NULL, 0); +SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", S_IRUGO, show_fan_pulses, NULL, 0); +SENSOR_TEMPLATE(fan_min, "fan%d_min", S_IRUGO, show_fan_min, NULL, 0); + +/* + * nct6683_fan_is_visible uses the index into the following array + * to determine if attributes should be created or not. + * Any change in order or content must be matched. + */ +static struct sensor_device_template *nct6683_attributes_fan_template[] = { + &sensor_dev_template_fan_input, + &sensor_dev_template_fan_pulses, + &sensor_dev_template_fan_min, + NULL +}; + +static struct sensor_template_group nct6683_fan_template_group = { + .templates = nct6683_attributes_fan_template, + .is_visible = nct6683_fan_is_visible, + .base = 1, +}; + +static ssize_t +show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int nr = sattr->index; + + return sprintf(buf, "%s\n", nct6683_mon_label[data->temp_src[nr]]); +} + +static ssize_t +show_temp8(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int index = sattr->index; + int nr = sattr->nr; + + return sprintf(buf, "%d\n", data->temp[index][nr] * 1000); +} + +static ssize_t +show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int nr = sattr->index; + int temp = data->temp[1][nr] - data->temp[2][nr]; + + return sprintf(buf, "%d\n", temp * 1000); +} + +static ssize_t +show_temp16(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6683_data *data = nct6683_update_device(dev); + int index = sattr->index; + + return sprintf(buf, "%d\n", (data->temp_in[index] / 128) * 500); +} + +/* + * Temperature sensor type is determined by temperature source + * and can not be modified. + * 0x02..0x07: Thermal diode + * 0x08..0x18: Thermistor + * 0x20..0x2b: Intel PECI + * 0x42..0x49: AMD TSI + * Others are unspecified (not visible) + */ + +static int get_temp_type(u8 src) +{ + if (src >= 0x02 && src <= 0x07) + return 3; /* thermal diode */ + else if (src >= 0x08 && src <= 0x18) + return 4; /* thermistor */ + else if (src >= 0x20 && src <= 0x2b) + return 6; /* PECI */ + else if (src >= 0x42 && src <= 0x49) + return 5; + + return 0; +} + +static ssize_t +show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6683_data *data = nct6683_update_device(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + int nr = sattr->index; + return sprintf(buf, "%d\n", get_temp_type(data->temp_src[nr])); +} + +static umode_t nct6683_temp_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct nct6683_data *data = dev_get_drvdata(dev); + int temp = index / 7; /* temp index */ + int nr = index % 7; /* attribute index */ + + /* + * Intel does not have low temperature limits or temperature hysteresis + * registers, or at least register location and encoding is unknown. + */ + if ((nr == 2 || nr == 4) && + data->customer_id == NCT6683_CUSTOMER_ID_INTEL) + return 0; + + if (nr == 6 && get_temp_type(data->temp_src[temp]) == 0) + return 0; /* type */ + + return attr->mode; +} + +SENSOR_TEMPLATE(temp_input, "temp%d_input", S_IRUGO, show_temp16, NULL, 0); +SENSOR_TEMPLATE(temp_label, "temp%d_label", S_IRUGO, show_temp_label, NULL, 0); +SENSOR_TEMPLATE_2(temp_min, "temp%d_min", S_IRUGO, show_temp8, NULL, 0, 0); +SENSOR_TEMPLATE_2(temp_max, "temp%d_max", S_IRUGO, show_temp8, NULL, 0, 1); +SENSOR_TEMPLATE(temp_max_hyst, "temp%d_max_hyst", S_IRUGO, show_temp_hyst, NULL, + 0); +SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", S_IRUGO, show_temp8, NULL, 0, 3); +SENSOR_TEMPLATE(temp_type, "temp%d_type", S_IRUGO, show_temp_type, NULL, 0); + +/* + * nct6683_temp_is_visible uses the index into the following array + * to determine if attributes should be created or not. + * Any change in order or content must be matched. + */ +static struct sensor_device_template *nct6683_attributes_temp_template[] = { + &sensor_dev_template_temp_input, + &sensor_dev_template_temp_label, + &sensor_dev_template_temp_min, /* 2 */ + &sensor_dev_template_temp_max, /* 3 */ + &sensor_dev_template_temp_max_hyst, /* 4 */ + &sensor_dev_template_temp_crit, /* 5 */ + &sensor_dev_template_temp_type, /* 6 */ + NULL +}; + +static struct sensor_template_group nct6683_temp_template_group = { + .templates = nct6683_attributes_temp_template, + .is_visible = nct6683_temp_is_visible, + .base = 1, +}; + +static ssize_t +show_pwm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6683_data *data = nct6683_update_device(dev); + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int index = sattr->index; + + return sprintf(buf, "%d\n", data->pwm[index]); +} + +SENSOR_TEMPLATE(pwm, "pwm%d", S_IRUGO, show_pwm, NULL, 0); + +static umode_t nct6683_pwm_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct nct6683_data *data = dev_get_drvdata(dev); + int pwm = index; /* pwm index */ + + if (!(data->have_pwm & (1 << pwm))) + return 0; + + return attr->mode; +} + +static struct sensor_device_template *nct6683_attributes_pwm_template[] = { + &sensor_dev_template_pwm, + NULL +}; + +static struct sensor_template_group nct6683_pwm_template_group = { + .templates = nct6683_attributes_pwm_template, + .is_visible = nct6683_pwm_is_visible, + .base = 1, +}; + +static ssize_t +show_global_beep(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + int ret; + u8 reg; + + mutex_lock(&data->update_lock); + + ret = superio_enter(data->sioreg); + if (ret) + goto error; + superio_select(data->sioreg, NCT6683_LD_HWM); + reg = superio_inb(data->sioreg, NCT6683_REG_CR_BEEP); + superio_exit(data->sioreg); + + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%u\n", !!(reg & NCT6683_CR_BEEP_MASK)); + +error: + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t +store_global_beep(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + unsigned long val; + u8 reg; + int ret; + + if (kstrtoul(buf, 10, &val) || (val != 0 && val != 1)) + return -EINVAL; + + mutex_lock(&data->update_lock); + + ret = superio_enter(data->sioreg); + if (ret) { + count = ret; + goto error; + } + + superio_select(data->sioreg, NCT6683_LD_HWM); + reg = superio_inb(data->sioreg, NCT6683_REG_CR_BEEP); + if (val) + reg |= NCT6683_CR_BEEP_MASK; + else + reg &= ~NCT6683_CR_BEEP_MASK; + superio_outb(data->sioreg, NCT6683_REG_CR_BEEP, reg); + superio_exit(data->sioreg); +error: + mutex_unlock(&data->update_lock); + return count; +} + +/* Case open detection */ + +static ssize_t +show_caseopen(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + int ret; + u8 reg; + + mutex_lock(&data->update_lock); + + ret = superio_enter(data->sioreg); + if (ret) + goto error; + superio_select(data->sioreg, NCT6683_LD_ACPI); + reg = superio_inb(data->sioreg, NCT6683_REG_CR_CASEOPEN); + superio_exit(data->sioreg); + + mutex_unlock(&data->update_lock); + + return sprintf(buf, "%u\n", !(reg & NCT6683_CR_CASEOPEN_MASK)); + +error: + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t +clear_caseopen(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + unsigned long val; + u8 reg; + int ret; + + if (kstrtoul(buf, 10, &val) || val != 0) + return -EINVAL; + + mutex_lock(&data->update_lock); + + /* + * Use CR registers to clear caseopen status. + * Caseopen is activ low, clear by writing 1 into the register. + */ + + ret = superio_enter(data->sioreg); + if (ret) { + count = ret; + goto error; + } + + superio_select(data->sioreg, NCT6683_LD_ACPI); + reg = superio_inb(data->sioreg, NCT6683_REG_CR_CASEOPEN); + reg |= NCT6683_CR_CASEOPEN_MASK; + superio_outb(data->sioreg, NCT6683_REG_CR_CASEOPEN, reg); + reg &= ~NCT6683_CR_CASEOPEN_MASK; + superio_outb(data->sioreg, NCT6683_REG_CR_CASEOPEN, reg); + superio_exit(data->sioreg); + + data->valid = false; /* Force cache refresh */ +error: + mutex_unlock(&data->update_lock); + return count; +} + +static DEVICE_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen, + clear_caseopen); +static DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_global_beep, + store_global_beep); + +static struct attribute *nct6683_attributes_other[] = { + &dev_attr_intrusion0_alarm.attr, + &dev_attr_beep_enable.attr, + NULL +}; + +static const struct attribute_group nct6683_group_other = { + .attrs = nct6683_attributes_other, +}; + +/* Get the monitoring functions started */ +static inline void nct6683_init_device(struct nct6683_data *data) +{ + u8 tmp; + + /* Start hardware monitoring if needed */ + tmp = nct6683_read(data, NCT6683_HWM_CFG); + if (!(tmp & 0x80)) + nct6683_write(data, NCT6683_HWM_CFG, tmp | 0x80); +} + +/* + * There are a total of 24 fan inputs. Each can be configured as input + * or as output. A maximum of 16 inputs and 8 outputs is configurable. + */ +static void +nct6683_setup_fans(struct nct6683_data *data) +{ + int i; + u8 reg; + + for (i = 0; i < NCT6683_NUM_REG_FAN; i++) { + reg = nct6683_read(data, NCT6683_REG_FANIN_CFG(i)); + if (reg & 0x80) + data->have_fan |= 1 << i; + data->fanin_cfg[i] = reg; + } + for (i = 0; i < NCT6683_NUM_REG_PWM; i++) { + reg = nct6683_read(data, NCT6683_REG_FANOUT_CFG(i)); + if (reg & 0x80) + data->have_pwm |= 1 << i; + data->fanout_cfg[i] = reg; + } +} + +/* + * Translation from monitoring register to temperature and voltage attributes + * ========================================================================== + * + * There are a total of 32 monitoring registers. Each can be assigned to either + * a temperature or voltage monitoring source. + * NCT6683_REG_MON_CFG(x) defines assignment for each monitoring source. + * + * Temperature and voltage attribute mapping is determined by walking through + * the NCT6683_REG_MON_CFG registers. If the assigned source is + * a temperature, temp_index[n] is set to the monitor register index, and + * temp_src[n] is set to the temperature source. If the assigned source is + * a voltage, the respective values are stored in in_index[] and in_src[], + * respectively. + */ + +static void nct6683_setup_sensors(struct nct6683_data *data) +{ + u8 reg; + int i; + + data->temp_num = 0; + data->in_num = 0; + for (i = 0; i < NCT6683_NUM_REG_MON; i++) { + reg = nct6683_read(data, NCT6683_REG_MON_CFG(i)) & 0x7f; + /* Ignore invalid assignments */ + if (reg >= NUM_MON_LABELS) + continue; + /* Skip if disabled or reserved */ + if (nct6683_mon_label[reg] == NULL) + continue; + if (reg < MON_VOLTAGE_START) { + data->temp_index[data->temp_num] = i; + data->temp_src[data->temp_num] = reg; + data->temp_num++; + } else { + data->in_index[data->in_num] = i; + data->in_src[data->in_num] = reg; + data->in_num++; + } + } +} + +static int nct6683_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct nct6683_sio_data *sio_data = dev->platform_data; + struct attribute_group *group; + struct nct6683_data *data; + struct device *hwmon_dev; + struct resource *res; + int groups = 0; + + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (!devm_request_region(dev, res->start, IOREGION_LENGTH, DRVNAME)) + return -EBUSY; + + data = devm_kzalloc(dev, sizeof(struct nct6683_data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->kind = sio_data->kind; + data->sioreg = sio_data->sioreg; + data->addr = res->start; + mutex_init(&data->update_lock); + platform_set_drvdata(pdev, data); + + data->customer_id = nct6683_read16(data, NCT6683_REG_CUSTOMER_ID); + + nct6683_init_device(data); + nct6683_setup_fans(data); + nct6683_setup_sensors(data); + + /* Register sysfs hooks */ + + if (data->have_pwm) { + group = nct6683_create_attr_group(dev, + &nct6683_pwm_template_group, + fls(data->have_pwm)); + if (IS_ERR(group)) + return PTR_ERR(group); + data->groups[groups++] = group; + } + + if (data->in_num) { + group = nct6683_create_attr_group(dev, + &nct6683_in_template_group, + data->in_num); + if (IS_ERR(group)) + return PTR_ERR(group); + data->groups[groups++] = group; + } + + if (data->have_fan) { + group = nct6683_create_attr_group(dev, + &nct6683_fan_template_group, + fls(data->have_fan)); + if (IS_ERR(group)) + return PTR_ERR(group); + data->groups[groups++] = group; + } + + if (data->temp_num) { + group = nct6683_create_attr_group(dev, + &nct6683_temp_template_group, + data->temp_num); + if (IS_ERR(group)) + return PTR_ERR(group); + data->groups[groups++] = group; + } + data->groups[groups++] = &nct6683_group_other; + + dev_info(dev, "%s EC firmware version %d.%d build %02x/%02x/%02x\n", + nct6683_chip_names[data->kind], + nct6683_read(data, NCT6683_REG_VERSION_HI), + nct6683_read(data, NCT6683_REG_VERSION_LO), + nct6683_read(data, NCT6683_REG_BUILD_MONTH), + nct6683_read(data, NCT6683_REG_BUILD_DAY), + nct6683_read(data, NCT6683_REG_BUILD_YEAR)); + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, + nct6683_device_names[data->kind], data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +#ifdef CONFIG_PM +static int nct6683_suspend(struct device *dev) +{ + struct nct6683_data *data = nct6683_update_device(dev); + + mutex_lock(&data->update_lock); + data->hwm_cfg = nct6683_read(data, NCT6683_HWM_CFG); + mutex_unlock(&data->update_lock); + + return 0; +} + +static int nct6683_resume(struct device *dev) +{ + struct nct6683_data *data = dev_get_drvdata(dev); + + mutex_lock(&data->update_lock); + + nct6683_write(data, NCT6683_HWM_CFG, data->hwm_cfg); + + /* Force re-reading all values */ + data->valid = false; + mutex_unlock(&data->update_lock); + + return 0; +} + +static const struct dev_pm_ops nct6683_dev_pm_ops = { + .suspend = nct6683_suspend, + .resume = nct6683_resume, + .freeze = nct6683_suspend, + .restore = nct6683_resume, +}; + +#define NCT6683_DEV_PM_OPS (&nct6683_dev_pm_ops) +#else +#define NCT6683_DEV_PM_OPS NULL +#endif /* CONFIG_PM */ + +static struct platform_driver nct6683_driver = { + .driver = { + .owner = THIS_MODULE, + .name = DRVNAME, + .pm = NCT6683_DEV_PM_OPS, + }, + .probe = nct6683_probe, +}; + +static int __init nct6683_find(int sioaddr, struct nct6683_sio_data *sio_data) +{ + const char *board_vendor; + int addr; + u16 val; + int err; + + /* + * Only run on Intel boards unless the 'force' module parameter is set + */ + if (!force) { + board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); + if (!board_vendor || strcmp(board_vendor, "Intel Corporation")) + return -ENODEV; + } + + err = superio_enter(sioaddr); + if (err) + return err; + + val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) + | superio_inb(sioaddr, SIO_REG_DEVID + 1); + + switch (val & SIO_ID_MASK) { + case SIO_NCT6683_ID: + sio_data->kind = nct6683; + break; + default: + if (val != 0xffff) + pr_debug("unsupported chip ID: 0x%04x\n", val); + goto fail; + } + + /* We have a known chip, find the HWM I/O address */ + superio_select(sioaddr, NCT6683_LD_HWM); + val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) + | superio_inb(sioaddr, SIO_REG_ADDR + 1); + addr = val & IOREGION_ALIGNMENT; + if (addr == 0) { + pr_err("EC base I/O port unconfigured\n"); + goto fail; + } + + /* Activate logical device if needed */ + val = superio_inb(sioaddr, SIO_REG_ENABLE); + if (!(val & 0x01)) { + pr_err("EC is disabled\n"); + goto fail; + } + + superio_exit(sioaddr); + pr_info("Found %s or compatible chip at %#x:%#x\n", + nct6683_chip_names[sio_data->kind], sioaddr, addr); + sio_data->sioreg = sioaddr; + + return addr; + +fail: + superio_exit(sioaddr); + return -ENODEV; +} + +/* + * when Super-I/O functions move to a separate file, the Super-I/O + * bus will manage the lifetime of the device and this module will only keep + * track of the nct6683 driver. But since we use platform_device_alloc(), we + * must keep track of the device + */ +static struct platform_device *pdev[2]; + +static int __init sensors_nct6683_init(void) +{ + struct nct6683_sio_data sio_data; + int sioaddr[2] = { 0x2e, 0x4e }; + struct resource res; + bool found = false; + int address; + int i, err; + + err = platform_driver_register(&nct6683_driver); + if (err) + return err; + + /* + * initialize sio_data->kind and sio_data->sioreg. + * + * when Super-I/O functions move to a separate file, the Super-I/O + * driver will probe 0x2e and 0x4e and auto-detect the presence of a + * nct6683 hardware monitor, and call probe() + */ + for (i = 0; i < ARRAY_SIZE(pdev); i++) { + address = nct6683_find(sioaddr[i], &sio_data); + if (address <= 0) + continue; + + found = true; + + pdev[i] = platform_device_alloc(DRVNAME, address); + if (!pdev[i]) { + err = -ENOMEM; + goto exit_device_unregister; + } + + err = platform_device_add_data(pdev[i], &sio_data, + sizeof(struct nct6683_sio_data)); + if (err) + goto exit_device_put; + + memset(&res, 0, sizeof(res)); + res.name = DRVNAME; + res.start = address + IOREGION_OFFSET; + res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; + res.flags = IORESOURCE_IO; + + err = acpi_check_resource_conflict(&res); + if (err) { + platform_device_put(pdev[i]); + pdev[i] = NULL; + continue; + } + + err = platform_device_add_resources(pdev[i], &res, 1); + if (err) + goto exit_device_put; + + /* platform_device_add calls probe() */ + err = platform_device_add(pdev[i]); + if (err) + goto exit_device_put; + } + if (!found) { + err = -ENODEV; + goto exit_unregister; + } + + return 0; + +exit_device_put: + platform_device_put(pdev[i]); +exit_device_unregister: + while (--i >= 0) { + if (pdev[i]) + platform_device_unregister(pdev[i]); + } +exit_unregister: + platform_driver_unregister(&nct6683_driver); + return err; +} + +static void __exit sensors_nct6683_exit(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(pdev); i++) { + if (pdev[i]) + platform_device_unregister(pdev[i]); + } + platform_driver_unregister(&nct6683_driver); +} + +MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); +MODULE_DESCRIPTION("NCT6683D driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_nct6683_init); +module_exit(sensors_nct6683_exit); diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 6eb03ce2cff..59d9a3fc96b 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -5,7 +5,7 @@ * Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net> * * Derived from w83627ehf driver - * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de> * Copyright (C) 2006 Yuan Mu (Winbond), * Rudolf Marek <r.marek@assembler.cz> * David Hubbard <david.c.hubbard@gmail.com> @@ -274,6 +274,8 @@ static const u16 NCT6775_FAN_PULSE_SHIFT[] = { 0, 0, 0, 0, 0, 0 }; static const u16 NCT6775_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; +static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 }; + static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { @@ -454,6 +456,7 @@ static const u16 NCT6779_REG_CRITICAL_PWM[] = { 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37 }; static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; +static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b }; static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { 0x18, 0x152 }; static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { @@ -507,6 +510,13 @@ static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1] #define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28 +static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[6] = { 0, 0x239 }; +static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[6] = { 0, 0x23a }; +static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[6] = { 0, 0x23b }; +static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[6] = { 0, 0x23c }; +static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[6] = { 0, 0x23d }; +static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[6] = { 0, 0x23e }; + static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B, 0x568, 0x45D }; @@ -534,6 +544,7 @@ static const u16 NCT6106_REG_IN[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; +static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a }; static const u16 NCT6106_REG_TEMP_HYST[] = { 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; static const u16 NCT6106_REG_TEMP_OVER[] = { @@ -724,11 +735,8 @@ struct nct6775_data { enum kinds kind; const char *name; - struct device *hwmon_dev; - struct attribute_group *group_in; - struct attribute_group *group_fan; - struct attribute_group *group_temp; - struct attribute_group *group_pwm; + int num_attr_groups; + const struct attribute_group *groups[6]; u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, * 3=temp_crit, 4=temp_lcrit @@ -942,7 +950,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, struct sensor_device_attribute_2 *a2; struct attribute **attrs; struct sensor_device_template **t; - int err, i, j, count; + int i, count; if (repeat <= 0) return ERR_PTR(-EINVAL); @@ -973,7 +981,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, for (i = 0; i < repeat; i++) { t = tg->templates; - for (j = 0; *t != NULL; j++) { + while (*t != NULL) { snprintf(su->name, sizeof(su->name), (*t)->dev_attr.attr.name, tg->base + i); if ((*t)->s2) { @@ -1002,10 +1010,6 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, } } - err = sysfs_create_group(&dev->kobj, group); - if (err) - return ERR_PTR(-ENOMEM); - return group; } @@ -1314,6 +1318,9 @@ static void nct6775_update_pwm(struct device *dev) if (reg & 0x80) data->pwm[2][i] = 0; + if (!data->REG_WEIGHT_TEMP_SEL[i]) + continue; + reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); data->pwm_weight_temp_sel[i] = reg & 0x1f; /* If weight is disabled, report weight source as 0 */ @@ -1457,7 +1464,8 @@ static struct nct6775_data *nct6775_update_device(struct device *dev) = nct6775_read_temp(data, data->reg_temp[j][i]); } - if (!(data->have_temp_fixed & (1 << i))) + if (i >= NUM_TEMP_FIXED || + !(data->have_temp_fixed & (1 << i))) continue; data->temp_offset[i] = nct6775_read_value(data, data->REG_TEMP_OFFSET[i]); @@ -1545,7 +1553,7 @@ static int find_temp_source(struct nct6775_data *data, int index, int count) if (src == source) return nr; } - return -1; + return -ENODEV; } static ssize_t @@ -1644,7 +1652,7 @@ store_temp_beep(struct device *dev, struct device_attribute *attr, nr = find_temp_source(data, sattr->index, data->num_temp_beeps); if (nr < 0) - return -ENODEV; + return nr; bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; regindex = bit >> 3; @@ -2726,16 +2734,6 @@ store_fan_time(struct device *dev, struct device_attribute *attr, } static ssize_t -show_name(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", data->name); -} - -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - -static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) { struct nct6775_data *data = nct6775_update_device(dev); @@ -2868,6 +2866,9 @@ static umode_t nct6775_pwm_is_visible(struct kobject *kobj, if (!(data->has_pwm & (1 << pwm))) return 0; + if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */ + if (!data->REG_WEIGHT_TEMP_SEL[pwm]) + return 0; if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ return 0; if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ @@ -2961,11 +2962,11 @@ static struct sensor_device_template *nct6775_attributes_pwm_template[] = { &sensor_dev_template_pwm_step_down_time, &sensor_dev_template_pwm_start, &sensor_dev_template_pwm_floor, - &sensor_dev_template_pwm_weight_temp_sel, + &sensor_dev_template_pwm_weight_temp_sel, /* 14 */ &sensor_dev_template_pwm_weight_temp_step, &sensor_dev_template_pwm_weight_temp_step_tol, &sensor_dev_template_pwm_weight_temp_step_base, - &sensor_dev_template_pwm_weight_duty_step, + &sensor_dev_template_pwm_weight_duty_step, /* 18 */ &sensor_dev_template_pwm_max, /* 19 */ &sensor_dev_template_pwm_step, /* 20 */ &sensor_dev_template_pwm_weight_duty_base, /* 21 */ @@ -3061,16 +3062,16 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj, struct device *dev = container_of(kobj, struct device, kobj); struct nct6775_data *data = dev_get_drvdata(dev); - if (index == 1 && !data->have_vid) + if (index == 0 && !data->have_vid) return 0; - if (index == 2 || index == 3) { - if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 2] < 0) + if (index == 1 || index == 2) { + if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0) return 0; } - if (index == 4 || index == 5) { - if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0) + if (index == 3 || index == 4) { + if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0) return 0; } @@ -3083,13 +3084,12 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj, * Any change in order or content must be matched. */ static struct attribute *nct6775_attributes_other[] = { - &dev_attr_name.attr, - &dev_attr_cpu0_vid.attr, /* 1 */ - &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 2 */ - &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 3 */ - &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 4 */ - &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 5 */ - &sensor_dev_attr_beep_enable.dev_attr.attr, /* 6 */ + &dev_attr_cpu0_vid.attr, /* 0 */ + &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 1 */ + &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 2 */ + &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 3 */ + &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 4 */ + &sensor_dev_attr_beep_enable.dev_attr.attr, /* 5 */ NULL }; @@ -3099,27 +3099,6 @@ static const struct attribute_group nct6775_group_other = { .is_visible = nct6775_other_is_visible, }; -/* - * Driver and device management - */ - -static void nct6775_device_remove_files(struct device *dev) -{ - struct nct6775_data *data = dev_get_drvdata(dev); - - if (data->group_pwm) - sysfs_remove_group(&dev->kobj, data->group_pwm); - if (data->group_in) - sysfs_remove_group(&dev->kobj, data->group_in); - if (data->group_fan) - sysfs_remove_group(&dev->kobj, data->group_fan); - if (data->group_temp) - sysfs_remove_group(&dev->kobj, data->group_temp); - - sysfs_remove_group(&dev->kobj, &nct6775_group_other); -} - -/* Get the monitoring functions started */ static inline void nct6775_init_device(struct nct6775_data *data) { int i; @@ -3291,11 +3270,12 @@ static int nct6775_probe(struct platform_device *pdev) int i, s, err = 0; int src, mask, available; const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; - const u16 *reg_temp_alternate, *reg_temp_crit; + const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; - int num_reg_temp; + int num_reg_temp, num_reg_temp_mon; u8 cr2a; struct attribute_group *group; + struct device *hwmon_dev; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, @@ -3375,7 +3355,9 @@ static int nct6775_probe(struct platform_device *pdev) data->BEEP_BITS = NCT6106_BEEP_BITS; reg_temp = NCT6106_REG_TEMP; + reg_temp_mon = NCT6106_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); reg_temp_over = NCT6106_REG_TEMP_OVER; reg_temp_hyst = NCT6106_REG_TEMP_HYST; reg_temp_config = NCT6106_REG_TEMP_CONFIG; @@ -3447,7 +3429,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6775_REG_BEEP; reg_temp = NCT6775_REG_TEMP; + reg_temp_mon = NCT6775_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6775_REG_TEMP_CONFIG; @@ -3517,7 +3501,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6775_REG_TEMP; + reg_temp_mon = NCT6775_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); reg_temp_over = NCT6775_REG_TEMP_OVER; reg_temp_hyst = NCT6775_REG_TEMP_HYST; reg_temp_config = NCT6776_REG_TEMP_CONFIG; @@ -3591,7 +3577,9 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6779_REG_TEMP; + reg_temp_mon = NCT6779_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; @@ -3640,8 +3628,8 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_PWM[0] = NCT6775_REG_PWM; data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; - data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; - data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; + data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; + data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; @@ -3657,15 +3645,17 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; - data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; - data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; - data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; - data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; + data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; + data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; + data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; + data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6791_REG_ALARM; data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6779_REG_TEMP; + reg_temp_mon = NCT6779_REG_TEMP_MON; num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); + num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); reg_temp_over = NCT6779_REG_TEMP_OVER; reg_temp_hyst = NCT6779_REG_TEMP_HYST; reg_temp_config = NCT6779_REG_TEMP_CONFIG; @@ -3766,6 +3756,50 @@ static int nct6775_probe(struct platform_device *pdev) s++; } + /* + * Repeat with temperatures used for fan control. + * This set of registers does not support limits. + */ + for (i = 0; i < num_reg_temp_mon; i++) { + if (reg_temp_mon[i] == 0) + continue; + + src = nct6775_read_value(data, data->REG_TEMP_SEL[i]) & 0x1f; + if (!src || (mask & (1 << src))) + continue; + + if (src >= data->temp_label_num || + !strlen(data->temp_label[src])) { + dev_info(dev, + "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", + src, i, data->REG_TEMP_SEL[i], + reg_temp_mon[i]); + continue; + } + + mask |= 1 << src; + + /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ + if (src <= data->temp_fixed_num) { + if (data->have_temp & (1 << (src - 1))) + continue; + data->have_temp |= 1 << (src - 1); + data->have_temp_fixed |= 1 << (src - 1); + data->reg_temp[0][src - 1] = reg_temp_mon[i]; + data->temp_src[src - 1] = src; + continue; + } + + if (s >= NUM_TEMP) + continue; + + /* Use dynamic index for other sources */ + data->have_temp |= 1 << s; + data->reg_temp[0][s] = reg_temp_mon[i]; + data->temp_src[s] = src; + s++; + } + #ifdef USE_ALTERNATE /* * Go through the list of alternate temp registers and enable @@ -3870,61 +3904,48 @@ static int nct6775_probe(struct platform_device *pdev) /* Register sysfs hooks */ group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group, data->pwm_num); - if (IS_ERR(group)) { - err = PTR_ERR(group); - goto exit_remove; - } - data->group_pwm = group; + if (IS_ERR(group)) + return PTR_ERR(group); + + data->groups[data->num_attr_groups++] = group; group = nct6775_create_attr_group(dev, &nct6775_in_template_group, fls(data->have_in)); - if (IS_ERR(group)) { - err = PTR_ERR(group); - goto exit_remove; - } - data->group_in = group; + if (IS_ERR(group)) + return PTR_ERR(group); + + data->groups[data->num_attr_groups++] = group; group = nct6775_create_attr_group(dev, &nct6775_fan_template_group, fls(data->has_fan)); - if (IS_ERR(group)) { - err = PTR_ERR(group); - goto exit_remove; - } - data->group_fan = group; + if (IS_ERR(group)) + return PTR_ERR(group); + + data->groups[data->num_attr_groups++] = group; group = nct6775_create_attr_group(dev, &nct6775_temp_template_group, fls(data->have_temp)); - if (IS_ERR(group)) { - err = PTR_ERR(group); - goto exit_remove; - } - data->group_temp = group; - - err = sysfs_create_group(&dev->kobj, &nct6775_group_other); - if (err) - goto exit_remove; + if (IS_ERR(group)) + return PTR_ERR(group); - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } - - return 0; + data->groups[data->num_attr_groups++] = group; + data->groups[data->num_attr_groups++] = &nct6775_group_other; -exit_remove: - nct6775_device_remove_files(dev); - return err; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name, + data, data->groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } -static int nct6775_remove(struct platform_device *pdev) +static void nct6791_enable_io_mapping(int sioaddr) { - struct nct6775_data *data = platform_get_drvdata(pdev); - - hwmon_device_unregister(data->hwmon_dev); - nct6775_device_remove_files(&pdev->dev); + int val; - return 0; + val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); + if (val & 0x10) { + pr_info("Enabling hardware monitor logical device mappings.\n"); + superio_outb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, + val & ~0x10); + } } #ifdef CONFIG_PM @@ -3946,11 +3967,20 @@ static int nct6775_suspend(struct device *dev) static int nct6775_resume(struct device *dev) { struct nct6775_data *data = dev_get_drvdata(dev); - int i, j; + int i, j, err = 0; mutex_lock(&data->update_lock); data->bank = 0xff; /* Force initial bank selection */ + if (data->kind == nct6791) { + err = superio_enter(data->sioreg); + if (err) + goto abort; + + nct6791_enable_io_mapping(data->sioreg); + superio_exit(data->sioreg); + } + /* Restore limits */ for (i = 0; i < data->in_num; i++) { if (!(data->have_in & (1 << i))) @@ -3987,11 +4017,12 @@ static int nct6775_resume(struct device *dev) nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); } +abort: /* Force re-reading all values */ data->valid = false; mutex_unlock(&data->update_lock); - return 0; + return err; } static const struct dev_pm_ops nct6775_dev_pm_ops = { @@ -4013,7 +4044,6 @@ static struct platform_driver nct6775_driver = { .pm = NCT6775_DEV_PM_OPS, }, .probe = nct6775_probe, - .remove = nct6775_remove, }; static const char * const nct6775_sio_names[] __initconst = { @@ -4080,15 +4110,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); } - if (sio_data->kind == nct6791) { - val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); - if (val & 0x10) { - pr_info("Enabling hardware monitor logical device mappings.\n"); - superio_outb(sioaddr, - NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, - val & ~0x10); - } - } + + if (sio_data->kind == nct6791) + nct6791_enable_io_mapping(sioaddr); superio_exit(sioaddr); pr_info("Found %s or compatible chip at %#x:%#x\n", @@ -4101,7 +4125,7 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) /* * when Super-I/O functions move to a separate file, the Super-I/O * bus will manage the lifetime of the device and this module will only keep - * track of the nct6775 driver. But since we platform_device_alloc(), we + * track of the nct6775 driver. But since we use platform_device_alloc(), we * must keep track of the device */ static struct platform_device *pdev[2]; @@ -4136,7 +4160,7 @@ static int __init sensors_nct6775_init(void) pdev[i] = platform_device_alloc(DRVNAME, address); if (!pdev[i]) { err = -ENOMEM; - goto exit_device_put; + goto exit_device_unregister; } err = platform_device_add_data(pdev[i], &sio_data, @@ -4174,9 +4198,11 @@ static int __init sensors_nct6775_init(void) return 0; exit_device_put: - for (i = 0; i < ARRAY_SIZE(pdev); i++) { + platform_device_put(pdev[i]); +exit_device_unregister: + while (--i >= 0) { if (pdev[i]) - platform_device_put(pdev[i]); + platform_device_unregister(pdev[i]); } exit_unregister: platform_driver_unregister(&nct6775_driver); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8c23203915a..ae66f42c4d6 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -44,6 +44,7 @@ struct ntc_compensation { unsigned int ohm; }; +/* Order matters, ntc_match references the entries by index */ static const struct platform_device_id ntc_thermistor_id[] = { { "ncp15wb473", TYPE_NCPXXWB473 }, { "ncp18wb473", TYPE_NCPXXWB473 }, @@ -141,11 +142,11 @@ struct ntc_data { char name[PLATFORM_NAME_SIZE]; }; -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO) static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; - unsigned int result; + s64 result; int val, ret; ret = iio_read_channel_raw(channel, &val); @@ -155,23 +156,35 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) } /* unit: mV */ - result = pdata->pullup_uv * val; + result = pdata->pullup_uv * (s64) val; result >>= 12; - return result; + return (int)result; } static const struct of_device_id ntc_match[] = { + { .compatible = "murata,ncp15wb473", + .data = &ntc_thermistor_id[0] }, + { .compatible = "murata,ncp18wb473", + .data = &ntc_thermistor_id[1] }, + { .compatible = "murata,ncp21wb473", + .data = &ntc_thermistor_id[2] }, + { .compatible = "murata,ncp03wb473", + .data = &ntc_thermistor_id[3] }, + { .compatible = "murata,ncp15wl333", + .data = &ntc_thermistor_id[4] }, + + /* Usage of vendor name "ntc" is deprecated */ { .compatible = "ntc,ncp15wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[0] }, { .compatible = "ntc,ncp18wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[1] }, { .compatible = "ntc,ncp21wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[2] }, { .compatible = "ntc,ncp03wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[3] }, { .compatible = "ntc,ncp15wl333", - .data = &ntc_thermistor_id[TYPE_NCPXXWL333] }, + .data = &ntc_thermistor_id[4] }, { }, }; MODULE_DEVICE_TABLE(of, ntc_match); @@ -223,6 +236,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev) return NULL; } +#define ntc_match NULL + static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata) { } #endif @@ -497,7 +512,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", - pdev->name); + pdev_id->name); return 0; err_after_sysfs: @@ -531,7 +546,7 @@ static struct platform_driver ntc_thermistor_driver = { module_platform_driver(ntc_thermistor_driver); -MODULE_DESCRIPTION("NTC Thermistor Driver"); +MODULE_DESCRIPTION("NTC Thermistor Driver from Murata"); MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:ntc-thermistor"); diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index aa615ba73d4..988181e4cfc 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -1,7 +1,7 @@ /* * pc87360.c - Part of lm_sensors, Linux kernel modules * for hardware monitoring - * Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004, 2007 Jean Delvare <jdelvare@suse.de> * * Copied from smsc47m1.c: * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> @@ -1225,7 +1225,7 @@ static int pc87360_probe(struct platform_device *pdev) int i; struct pc87360_data *data; int err = 0; - const char *name = "pc87360"; + const char *name; int use_thermistors = 0; struct device *dev = &pdev->dev; @@ -1233,13 +1233,14 @@ static int pc87360_probe(struct platform_device *pdev) if (!data) return -ENOMEM; - data->fannr = 2; - data->innr = 0; - data->tempnr = 0; - switch (devid) { + default: + name = "pc87360"; + data->fannr = 2; + break; case 0xe8: name = "pc87363"; + data->fannr = 2; break; case 0xe4: name = "pc87364"; @@ -1260,7 +1261,6 @@ static int pc87360_probe(struct platform_device *pdev) } data->name = name; - data->valid = 0; mutex_init(&data->lock); mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); @@ -1808,7 +1808,7 @@ static void __exit pc87360_exit(void) } -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("PC8736x hardware monitor"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c index 6e6ea4437bb..9e4684e747e 100644 --- a/drivers/hwmon/pc87427.c +++ b/drivers/hwmon/pc87427.c @@ -1,7 +1,7 @@ /* * pc87427.c - hardware monitoring driver for the * National Semiconductor PC87427 Super-I/O chip - * Copyright (C) 2006, 2008, 2010 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2006, 2008, 2010 Jean Delvare <jdelvare@suse.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -1081,10 +1081,8 @@ static int pc87427_probe(struct platform_device *pdev) data = devm_kzalloc(&pdev->dev, sizeof(struct pc87427_data), GFP_KERNEL); - if (!data) { - pr_err("Out of memory\n"); + if (!data) return -ENOMEM; - } data->address[0] = sio_data->address[0]; data->address[1] = sio_data->address[1]; @@ -1347,7 +1345,7 @@ static void __exit pc87427_exit(void) platform_driver_unregister(&pc87427_driver); } -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("PC87427 hardware monitoring driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c index 825883d2900..5740888c624 100644 --- a/drivers/hwmon/pcf8591.c +++ b/drivers/hwmon/pcf8591.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net> * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with - * the help of Jean Delvare <khali@linux-fr.org> + * the help of Jean Delvare <jdelvare@suse.de> * * 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 diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index 6a9d6edaacb..a26b1d1d951 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -1,5 +1,5 @@ /* - * Hardware monitoring driver for LM25056 / LM25066 / LM5064 / LM5066 + * Hardware monitoring driver for LM25056 / LM25063 / LM25066 / LM5064 / LM5066 * * Copyright (c) 2011 Ericsson AB. * Copyright (c) 2013 Guenter Roeck @@ -27,7 +27,7 @@ #include <linux/i2c.h> #include "pmbus.h" -enum chips { lm25056, lm25066, lm5064, lm5066 }; +enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; #define LM25066_READ_VAUX 0xd0 #define LM25066_MFR_READ_IIN 0xd1 @@ -52,6 +52,11 @@ enum chips { lm25056, lm25066, lm5064, lm5066 }; #define LM25056_MFR_STS_VAUX_OV_WARN (1 << 1) #define LM25056_MFR_STS_VAUX_UV_WARN (1 << 0) +/* LM25063 only */ + +#define LM25063_READ_VOUT_MAX 0xe5 +#define LM25063_READ_VOUT_MIN 0xe6 + struct __coeff { short m, b, R; }; @@ -59,7 +64,7 @@ struct __coeff { #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) #define PSC_POWER_L (PSC_NUM_CLASSES + 1) -static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { +static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { [lm25056] = { [PSC_VOLTAGE_IN] = { .m = 16296, @@ -116,6 +121,36 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { .m = 16, }, }, + [lm25063] = { + [PSC_VOLTAGE_IN] = { + .m = 16000, + .R = -2, + }, + [PSC_VOLTAGE_OUT] = { + .m = 16000, + .R = -2, + }, + [PSC_CURRENT_IN] = { + .m = 10000, + .R = -2, + }, + [PSC_CURRENT_IN_L] = { + .m = 10000, + .R = -2, + }, + [PSC_POWER] = { + .m = 5000, + .R = -3, + }, + [PSC_POWER_L] = { + .m = 5000, + .R = -3, + }, + [PSC_TEMPERATURE] = { + .m = 15596, + .R = -3, + }, + }, [lm5064] = { [PSC_VOLTAGE_IN] = { .m = 4611, @@ -178,6 +213,7 @@ static struct __coeff lm25066_coeff[4][PSC_NUM_CLASSES + 2] = { struct lm25066_data { int id; + u16 rlimit; /* Maximum register value */ struct pmbus_driver_info info; }; @@ -200,6 +236,10 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) /* VIN: 6.14 mV VAUX: 293 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 293, 6140); break; + case lm25063: + /* VIN: 6.25 mV VAUX: 200.0 uV LSB */ + ret = DIV_ROUND_CLOSEST(ret * 20, 625); + break; case lm25066: /* VIN: 4.54 mV VAUX: 283.2 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 2832, 45400); @@ -253,6 +293,24 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) return ret; } +static int lm25063_read_word_data(struct i2c_client *client, int page, int reg) +{ + int ret; + + switch (reg) { + case PMBUS_VIRT_READ_VOUT_MAX: + ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MAX); + break; + case PMBUS_VIRT_READ_VOUT_MIN: + ret = pmbus_read_word_data(client, 0, LM25063_READ_VOUT_MIN); + break; + default: + ret = lm25066_read_word_data(client, page, reg); + break; + } + return ret; +} + static int lm25056_read_word_data(struct i2c_client *client, int page, int reg) { int ret; @@ -308,27 +366,34 @@ static int lm25056_read_byte_data(struct i2c_client *client, int page, int reg) static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, u16 word) { + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + const struct lm25066_data *data = to_lm25066_data(info); int ret; switch (reg) { + case PMBUS_POUT_OP_FAULT_LIMIT: + case PMBUS_POUT_OP_WARN_LIMIT: case PMBUS_VOUT_UV_WARN_LIMIT: case PMBUS_OT_FAULT_LIMIT: case PMBUS_OT_WARN_LIMIT: + case PMBUS_IIN_OC_FAULT_LIMIT: case PMBUS_VIN_UV_WARN_LIMIT: + case PMBUS_VIN_UV_FAULT_LIMIT: + case PMBUS_VIN_OV_FAULT_LIMIT: case PMBUS_VIN_OV_WARN_LIMIT: - word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); + word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, reg, word); pmbus_clear_cache(client); break; case PMBUS_IIN_OC_WARN_LIMIT: - word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); + word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_IIN_OC_WARN_LIMIT, word); pmbus_clear_cache(client); break; case PMBUS_PIN_OP_WARN_LIMIT: - word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); + word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25066_MFR_PIN_OP_WARN_LIMIT, word); @@ -337,7 +402,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_UV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); - word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); + word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_UV_WARN_LIMIT, word); pmbus_clear_cache(client); @@ -345,7 +410,7 @@ static int lm25066_write_word_data(struct i2c_client *client, int page, int reg, case PMBUS_VIRT_VMON_OV_WARN_LIMIT: /* Adjust from VIN coefficients (for LM25056) */ word = DIV_ROUND_CLOSEST((int)word * 6140, 293); - word = ((s16)word < 0) ? 0 : clamp_val(word, 0, 0x0fff); + word = ((s16)word < 0) ? 0 : clamp_val(word, 0, data->rlimit); ret = pmbus_write_word_data(client, 0, LM25056_VAUX_OV_WARN_LIMIT, word); pmbus_clear_cache(client); @@ -399,9 +464,16 @@ static int lm25066_probe(struct i2c_client *client, info->func[0] |= PMBUS_HAVE_STATUS_VMON; info->read_word_data = lm25056_read_word_data; info->read_byte_data = lm25056_read_byte_data; + data->rlimit = 0x0fff; + } else if (data->id == lm25063) { + info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_POUT; + info->read_word_data = lm25063_read_word_data; + data->rlimit = 0xffff; } else { info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; info->read_word_data = lm25066_read_word_data; + data->rlimit = 0x0fff; } info->write_word_data = lm25066_write_word_data; @@ -432,6 +504,7 @@ static int lm25066_probe(struct i2c_client *client, static const struct i2c_device_id lm25066_id[] = { {"lm25056", lm25056}, + {"lm25063", lm25063}, {"lm25066", lm25066}, {"lm5064", lm5064}, {"lm5066", lm5066}, @@ -453,5 +526,5 @@ static struct i2c_driver lm25066_driver = { module_i2c_driver(lm25066_driver); MODULE_AUTHOR("Guenter Roeck"); -MODULE_DESCRIPTION("PMBus driver for LM25056/LM25066/LM5064/LM5066"); +MODULE_DESCRIPTION("PMBus driver for LM25066 and compatible chips"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 586a89ef9e0..e24ed521051 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -1,8 +1,9 @@ /* - * Hardware monitoring driver for LTC2974, LTC2978, LTC3880, and LTC3883 + * Hardware monitoring driver for LTC2974, LTC2977, LTC2978, LTC3880, + * LTC3883, and LTM4676 * * Copyright (c) 2011 Ericsson AB. - * Copyright (c) 2013 Guenter Roeck + * Copyright (c) 2013, 2014 Guenter Roeck * * 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 @@ -13,10 +14,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> @@ -27,7 +24,7 @@ #include <linux/i2c.h> #include "pmbus.h" -enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; +enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883, ltm4676 }; /* Common for all chips */ #define LTC2978_MFR_VOUT_PEAK 0xdd @@ -35,7 +32,7 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #define LTC2978_MFR_TEMPERATURE_PEAK 0xdf #define LTC2978_MFR_SPECIAL_ID 0xe7 -/* LTC2974 and LTC2978 */ +/* LTC2974, LCT2977, and LTC2978 */ #define LTC2978_MFR_VOUT_MIN 0xfb #define LTC2978_MFR_VIN_MIN 0xfc #define LTC2978_MFR_TEMPERATURE_MIN 0xfd @@ -44,7 +41,7 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; #define LTC2974_MFR_IOUT_PEAK 0xd7 #define LTC2974_MFR_IOUT_MIN 0xd8 -/* LTC3880 and LTC3883 */ +/* LTC3880, LTC3883, and LTM4676 */ #define LTC3880_MFR_IOUT_PEAK 0xd7 #define LTC3880_MFR_CLEAR_PEAKS 0xe3 #define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4 @@ -52,13 +49,18 @@ enum chips { ltc2974, ltc2978, ltc3880, ltc3883 }; /* LTC3883 only */ #define LTC3883_MFR_IIN_PEAK 0xe1 -#define LTC2974_ID 0x0212 +#define LTC2974_ID_REV1 0x0212 +#define LTC2974_ID_REV2 0x0213 +#define LTC2977_ID 0x0130 #define LTC2978_ID_REV1 0x0121 #define LTC2978_ID_REV2 0x0122 +#define LTC2978A_ID 0x0124 #define LTC3880_ID 0x4000 #define LTC3880_ID_MASK 0xff00 #define LTC3883_ID 0x4300 #define LTC3883_ID_MASK 0xff00 +#define LTM4676_ID 0x4480 /* datasheet claims 0x440X */ +#define LTM4676_ID_MASK 0xfff0 #define LTC2974_NUM_PAGES 4 #define LTC2978_NUM_PAGES 8 @@ -363,9 +365,11 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, static const struct i2c_device_id ltc2978_id[] = { {"ltc2974", ltc2974}, + {"ltc2977", ltc2977}, {"ltc2978", ltc2978}, {"ltc3880", ltc3880}, {"ltc3883", ltc3883}, + {"ltm4676", ltm4676}, {} }; MODULE_DEVICE_TABLE(i2c, ltc2978_id); @@ -390,14 +394,19 @@ static int ltc2978_probe(struct i2c_client *client, if (chip_id < 0) return chip_id; - if (chip_id == LTC2974_ID) { + if (chip_id == LTC2974_ID_REV1 || chip_id == LTC2974_ID_REV2) { data->id = ltc2974; - } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) { + } else if (chip_id == LTC2977_ID) { + data->id = ltc2977; + } else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2 || + chip_id == LTC2978A_ID) { data->id = ltc2978; } else if ((chip_id & LTC3880_ID_MASK) == LTC3880_ID) { data->id = ltc3880; } else if ((chip_id & LTC3883_ID_MASK) == LTC3883_ID) { data->id = ltc3883; + } else if ((chip_id & LTM4676_ID_MASK) == LTM4676_ID) { + data->id = ltm4676; } else { dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id); return -ENODEV; @@ -438,6 +447,7 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; } break; + case ltc2977: case ltc2978: info->read_word_data = ltc2978_read_word_data; info->pages = LTC2978_NUM_PAGES; @@ -450,6 +460,7 @@ static int ltc2978_probe(struct i2c_client *client, } break; case ltc3880: + case ltm4676: info->read_word_data = ltc3880_read_word_data; info->pages = LTC3880_NUM_PAGES; info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN @@ -492,5 +503,5 @@ static struct i2c_driver ltc2978_driver = { module_i2c_driver(ltc2978_driver); MODULE_AUTHOR("Guenter Roeck"); -MODULE_DESCRIPTION("PMBus driver for LTC2974, LTC2978, LTC3880, and LTC3883"); +MODULE_DESCRIPTION("PMBus driver for LTC2974, LTC2978, LTC3880, LTC3883, and LTM4676"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 9319fcf142d..291d11fe93e 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -90,13 +90,15 @@ struct pmbus_data { u32 flags; /* from platform data */ - int exponent; /* linear mode: exponent for output voltages */ + int exponent[PMBUS_PAGES]; + /* linear mode: exponent for output voltages */ const struct pmbus_driver_info *info; int max_attributes; int num_attributes; struct attribute_group group; + const struct attribute_group *groups[2]; struct pmbus_sensor *sensors; @@ -156,7 +158,7 @@ EXPORT_SYMBOL_GPL(pmbus_write_byte); /* * _pmbus_write_byte() is similar to pmbus_write_byte(), but checks if - * a device specific mapping funcion exists and calls it if necessary. + * a device specific mapping function exists and calls it if necessary. */ static int _pmbus_write_byte(struct i2c_client *client, int page, u8 value) { @@ -348,7 +350,7 @@ static struct _pmbus_status { static struct pmbus_data *pmbus_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = to_i2c_client(dev->parent); struct pmbus_data *data = i2c_get_clientdata(client); const struct pmbus_driver_info *info = data->info; struct pmbus_sensor *sensor; @@ -409,7 +411,7 @@ static long pmbus_reg2data_linear(struct pmbus_data *data, long val; if (sensor->class == PSC_VOLTAGE_OUT) { /* LINEAR16 */ - exponent = data->exponent; + exponent = data->exponent[sensor->page]; mantissa = (u16) sensor->data; } else { /* LINEAR11 */ exponent = ((s16)sensor->data) >> 11; @@ -515,7 +517,7 @@ static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor) #define MIN_MANTISSA (511 * 1000) static u16 pmbus_data2reg_linear(struct pmbus_data *data, - enum pmbus_sensor_classes class, long val) + struct pmbus_sensor *sensor, long val) { s16 exponent = 0, mantissa; bool negative = false; @@ -524,7 +526,7 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, if (val == 0) return 0; - if (class == PSC_VOLTAGE_OUT) { + if (sensor->class == PSC_VOLTAGE_OUT) { /* LINEAR16 does not support negative voltages */ if (val < 0) return 0; @@ -533,10 +535,10 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, * For a static exponents, we don't have a choice * but to adjust the value to it. */ - if (data->exponent < 0) - val <<= -data->exponent; + if (data->exponent[sensor->page] < 0) + val <<= -data->exponent[sensor->page]; else - val >>= data->exponent; + val >>= data->exponent[sensor->page]; val = DIV_ROUND_CLOSEST(val, 1000); return val & 0xffff; } @@ -547,14 +549,14 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, } /* Power is in uW. Convert to mW before converting. */ - if (class == PSC_POWER) + if (sensor->class == PSC_POWER) val = DIV_ROUND_CLOSEST(val, 1000L); /* * For simplicity, convert fan data to milli-units * before calculating the exponent. */ - if (class == PSC_FAN) + if (sensor->class == PSC_FAN) val = val * 1000; /* Reduce large mantissa until it fits into 10 bit */ @@ -584,22 +586,22 @@ static u16 pmbus_data2reg_linear(struct pmbus_data *data, } static u16 pmbus_data2reg_direct(struct pmbus_data *data, - enum pmbus_sensor_classes class, long val) + struct pmbus_sensor *sensor, long val) { long m, b, R; - m = data->info->m[class]; - b = data->info->b[class]; - R = data->info->R[class]; + m = data->info->m[sensor->class]; + b = data->info->b[sensor->class]; + R = data->info->R[sensor->class]; /* Power is in uW. Adjust R and b. */ - if (class == PSC_POWER) { + if (sensor->class == PSC_POWER) { R -= 3; b *= 1000; } /* Calculate Y = (m * X + b) * 10^R */ - if (class != PSC_FAN) { + if (sensor->class != PSC_FAN) { R -= 3; /* Adjust R and b for data in milli-units */ b *= 1000; } @@ -618,7 +620,7 @@ static u16 pmbus_data2reg_direct(struct pmbus_data *data, } static u16 pmbus_data2reg_vid(struct pmbus_data *data, - enum pmbus_sensor_classes class, long val) + struct pmbus_sensor *sensor, long val) { val = clamp_val(val, 500, 1600); @@ -626,20 +628,20 @@ static u16 pmbus_data2reg_vid(struct pmbus_data *data, } static u16 pmbus_data2reg(struct pmbus_data *data, - enum pmbus_sensor_classes class, long val) + struct pmbus_sensor *sensor, long val) { u16 regval; - switch (data->info->format[class]) { + switch (data->info->format[sensor->class]) { case direct: - regval = pmbus_data2reg_direct(data, class, val); + regval = pmbus_data2reg_direct(data, sensor, val); break; case vid: - regval = pmbus_data2reg_vid(data, class, val); + regval = pmbus_data2reg_vid(data, sensor, val); break; case linear: default: - regval = pmbus_data2reg_linear(data, class, val); + regval = pmbus_data2reg_linear(data, sensor, val); break; } return regval; @@ -686,7 +688,7 @@ static int pmbus_get_boolean(struct pmbus_data *data, struct pmbus_boolean *b, if (!s1 && !s2) { ret = !!regval; } else if (!s1 || !s2) { - BUG(); + WARN(1, "Bad boolean descriptor %p: s1=%p, s2=%p\n", b, s1, s2); return 0; } else { long v1, v2; @@ -733,7 +735,7 @@ static ssize_t pmbus_set_sensor(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = to_i2c_client(dev->parent); struct pmbus_data *data = i2c_get_clientdata(client); struct pmbus_sensor *sensor = to_pmbus_sensor(devattr); ssize_t rv = count; @@ -745,7 +747,7 @@ static ssize_t pmbus_set_sensor(struct device *dev, return -EINVAL; mutex_lock(&data->update_lock); - regval = pmbus_data2reg(data, sensor->class, val); + regval = pmbus_data2reg(data, sensor, val); ret = _pmbus_write_word_data(client, sensor->page, sensor->reg, regval); if (ret < 0) rv = ret; @@ -1642,12 +1644,13 @@ static int pmbus_find_attributes(struct i2c_client *client, * This function is called for all chips. */ static int pmbus_identify_common(struct i2c_client *client, - struct pmbus_data *data) + struct pmbus_data *data, int page) { int vout_mode = -1; - if (pmbus_check_byte_register(client, 0, PMBUS_VOUT_MODE)) - vout_mode = _pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE); + if (pmbus_check_byte_register(client, page, PMBUS_VOUT_MODE)) + vout_mode = _pmbus_read_byte_data(client, page, + PMBUS_VOUT_MODE); if (vout_mode >= 0 && vout_mode != 0xff) { /* * Not all chips support the VOUT_MODE command, @@ -1658,7 +1661,7 @@ static int pmbus_identify_common(struct i2c_client *client, if (data->info->format[PSC_VOLTAGE_OUT] != linear) return -ENODEV; - data->exponent = ((s8)(vout_mode << 3)) >> 3; + data->exponent[page] = ((s8)(vout_mode << 3)) >> 3; break; case 1: /* VID mode */ if (data->info->format[PSC_VOLTAGE_OUT] != vid) @@ -1673,7 +1676,7 @@ static int pmbus_identify_common(struct i2c_client *client, } } - pmbus_clear_fault_page(client, 0); + pmbus_clear_fault_page(client, page); return 0; } @@ -1681,7 +1684,7 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, struct pmbus_driver_info *info) { struct device *dev = &client->dev; - int ret; + int page, ret; /* * Some PMBus chips don't support PMBUS_STATUS_BYTE, so try @@ -1714,10 +1717,12 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, return -ENODEV; } - ret = pmbus_identify_common(client, data); - if (ret < 0) { - dev_err(dev, "Failed to identify chip capabilities\n"); - return ret; + for (page = 0; page < info->pages; page++) { + ret = pmbus_identify_common(client, data, page); + if (ret < 0) { + dev_err(dev, "Failed to identify chip capabilities\n"); + return ret; + } } return 0; } @@ -1768,22 +1773,16 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id, goto out_kfree; } - /* Register sysfs hooks */ - ret = sysfs_create_group(&dev->kobj, &data->group); - if (ret) { - dev_err(dev, "Failed to create sysfs entries\n"); - goto out_kfree; - } - data->hwmon_dev = hwmon_device_register(dev); + data->groups[0] = &data->group; + data->hwmon_dev = hwmon_device_register_with_groups(dev, client->name, + data, data->groups); if (IS_ERR(data->hwmon_dev)) { ret = PTR_ERR(data->hwmon_dev); dev_err(dev, "Failed to register hwmon device\n"); - goto out_hwmon_device_register; + goto out_kfree; } return 0; -out_hwmon_device_register: - sysfs_remove_group(&dev->kobj, &data->group); out_kfree: kfree(data->group.attrs); return ret; @@ -1794,7 +1793,6 @@ int pmbus_do_remove(struct i2c_client *client) { struct pmbus_data *data = i2c_get_clientdata(client); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &data->group); kfree(data->group.attrs); return 0; } diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c index 73bd64e8c30..0674c13bbd4 100644 --- a/drivers/hwmon/s3c-hwmon.c +++ b/drivers/hwmon/s3c-hwmon.c @@ -285,10 +285,8 @@ static int s3c_hwmon_probe(struct platform_device *dev) } hwmon = devm_kzalloc(&dev->dev, sizeof(struct s3c_hwmon), GFP_KERNEL); - if (hwmon == NULL) { - dev_err(&dev->dev, "no memory\n"); + if (hwmon == NULL) return -ENOMEM; - } platform_set_drvdata(dev, hwmon); diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c new file mode 100644 index 00000000000..decd7df995a --- /dev/null +++ b/drivers/hwmon/shtc1.c @@ -0,0 +1,251 @@ +/* Sensirion SHTC1 humidity and temperature sensor driver + * + * Copyright (C) 2014 Sensirion AG, Switzerland + * Author: Johannes Winkelmann <johannes.winkelmann@sensirion.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/platform_data/shtc1.h> + +/* commands (high precision mode) */ +static const unsigned char shtc1_cmd_measure_blocking_hpm[] = { 0x7C, 0xA2 }; +static const unsigned char shtc1_cmd_measure_nonblocking_hpm[] = { 0x78, 0x66 }; + +/* commands (low precision mode) */ +static const unsigned char shtc1_cmd_measure_blocking_lpm[] = { 0x64, 0x58 }; +static const unsigned char shtc1_cmd_measure_nonblocking_lpm[] = { 0x60, 0x9c }; + +/* command for reading the ID register */ +static const unsigned char shtc1_cmd_read_id_reg[] = { 0xef, 0xc8 }; + +/* constants for reading the ID register */ +#define SHTC1_ID 0x07 +#define SHTC1_ID_REG_MASK 0x1f + +/* delays for non-blocking i2c commands, both in us */ +#define SHTC1_NONBLOCKING_WAIT_TIME_HPM 14400 +#define SHTC1_NONBLOCKING_WAIT_TIME_LPM 1000 + +#define SHTC1_CMD_LENGTH 2 +#define SHTC1_RESPONSE_LENGTH 6 + +struct shtc1_data { + struct i2c_client *client; + struct mutex update_lock; + bool valid; + unsigned long last_updated; /* in jiffies */ + + const unsigned char *command; + unsigned int nonblocking_wait_time; /* in us */ + + struct shtc1_platform_data setup; + + int temperature; /* 1000 * temperature in dgr C */ + int humidity; /* 1000 * relative humidity in %RH */ +}; + +static int shtc1_update_values(struct i2c_client *client, + struct shtc1_data *data, + char *buf, int bufsize) +{ + int ret = i2c_master_send(client, data->command, SHTC1_CMD_LENGTH); + if (ret != SHTC1_CMD_LENGTH) { + dev_err(&client->dev, "failed to send command: %d\n", ret); + return ret < 0 ? ret : -EIO; + } + + /* + * In blocking mode (clock stretching mode) the I2C bus + * is blocked for other traffic, thus the call to i2c_master_recv() + * will wait until the data is ready. For non blocking mode, we + * have to wait ourselves. + */ + if (!data->setup.blocking_io) + usleep_range(data->nonblocking_wait_time, + data->nonblocking_wait_time + 1000); + + ret = i2c_master_recv(client, buf, bufsize); + if (ret != bufsize) { + dev_err(&client->dev, "failed to read values: %d\n", ret); + return ret < 0 ? ret : -EIO; + } + + return 0; +} + +/* sysfs attributes */ +static struct shtc1_data *shtc1_update_client(struct device *dev) +{ + struct shtc1_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; + unsigned char buf[SHTC1_RESPONSE_LENGTH]; + int val; + int ret = 0; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ / 10) || !data->valid) { + ret = shtc1_update_values(client, data, buf, sizeof(buf)); + if (ret) + goto out; + + /* + * From datasheet: + * T = -45 + 175 * ST / 2^16 + * RH = 100 * SRH / 2^16 + * + * Adapted for integer fixed point (3 digit) arithmetic. + */ + val = be16_to_cpup((__be16 *)buf); + data->temperature = ((21875 * val) >> 13) - 45000; + val = be16_to_cpup((__be16 *)(buf + 3)); + data->humidity = ((12500 * val) >> 13); + + data->last_updated = jiffies; + data->valid = true; + } + +out: + mutex_unlock(&data->update_lock); + + return ret == 0 ? data : ERR_PTR(ret); +} + +static ssize_t temp1_input_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct shtc1_data *data = shtc1_update_client(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + + return sprintf(buf, "%d\n", data->temperature); +} + +static ssize_t humidity1_input_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct shtc1_data *data = shtc1_update_client(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + + return sprintf(buf, "%d\n", data->humidity); +} + +static DEVICE_ATTR_RO(temp1_input); +static DEVICE_ATTR_RO(humidity1_input); + +static struct attribute *shtc1_attrs[] = { + &dev_attr_temp1_input.attr, + &dev_attr_humidity1_input.attr, + NULL +}; + +ATTRIBUTE_GROUPS(shtc1); + +static void shtc1_select_command(struct shtc1_data *data) +{ + if (data->setup.high_precision) { + data->command = data->setup.blocking_io ? + shtc1_cmd_measure_blocking_hpm : + shtc1_cmd_measure_nonblocking_hpm; + data->nonblocking_wait_time = SHTC1_NONBLOCKING_WAIT_TIME_HPM; + + } else { + data->command = data->setup.blocking_io ? + shtc1_cmd_measure_blocking_lpm : + shtc1_cmd_measure_nonblocking_lpm; + data->nonblocking_wait_time = SHTC1_NONBLOCKING_WAIT_TIME_LPM; + } +} + +static int shtc1_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret; + char id_reg[2]; + struct shtc1_data *data; + struct device *hwmon_dev; + struct i2c_adapter *adap = client->adapter; + struct device *dev = &client->dev; + + if (!i2c_check_functionality(adap, I2C_FUNC_I2C)) { + dev_err(dev, "plain i2c transactions not supported\n"); + return -ENODEV; + } + + ret = i2c_master_send(client, shtc1_cmd_read_id_reg, SHTC1_CMD_LENGTH); + if (ret != SHTC1_CMD_LENGTH) { + dev_err(dev, "could not send read_id_reg command: %d\n", ret); + return ret < 0 ? ret : -ENODEV; + } + ret = i2c_master_recv(client, id_reg, sizeof(id_reg)); + if (ret != sizeof(id_reg)) { + dev_err(dev, "could not read ID register: %d\n", ret); + return -ENODEV; + } + if ((id_reg[1] & SHTC1_ID_REG_MASK) != SHTC1_ID) { + dev_err(dev, "ID register doesn't match\n"); + return -ENODEV; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->setup.blocking_io = false; + data->setup.high_precision = true; + data->client = client; + + if (client->dev.platform_data) + data->setup = *(struct shtc1_platform_data *)dev->platform_data; + shtc1_select_command(data); + mutex_init(&data->update_lock); + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, + client->name, + data, + shtc1_groups); + if (IS_ERR(hwmon_dev)) + dev_dbg(dev, "unable to register hwmon device\n"); + + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +/* device ID table */ +static const struct i2c_device_id shtc1_id[] = { + { "shtc1", 0 }, + { "shtw1", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, shtc1_id); + +static struct i2c_driver shtc1_i2c_driver = { + .driver.name = "shtc1", + .probe = shtc1_probe, + .id_table = shtc1_id, +}; + +module_i2c_driver(shtc1_i2c_driver); + +MODULE_AUTHOR("Johannes Winkelmann <johannes.winkelmann@sensirion.com>"); +MODULE_DESCRIPTION("Sensirion SHTC1 humidity and temperature sensor driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c index 1404e6319de..3532026e25d 100644 --- a/drivers/hwmon/sis5595.c +++ b/drivers/hwmon/sis5595.c @@ -6,7 +6,7 @@ * Kyösti Mälkki <kmalkki@cc.hut.fi>, and * Mark D. Studebaker <mdsxyz123@yahoo.com> * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with - * the help of Jean Delvare <khali@linux-fr.org> + * the help of Jean Delvare <jdelvare@suse.de> * * 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 @@ -141,6 +141,8 @@ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm <= 0) return 255; + if (rpm > 1350000) + return 1; return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); } @@ -752,7 +754,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev) return data; } -static DEFINE_PCI_DEVICE_TABLE(sis5595_pci_ids) = { +static const struct pci_device_id sis5595_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) }, { 0, } }; diff --git a/drivers/hwmon/smm665.c b/drivers/hwmon/smm665.c index d9e1b7de78d..4ef5802df6d 100644 --- a/drivers/hwmon/smm665.c +++ b/drivers/hwmon/smm665.c @@ -222,7 +222,7 @@ static int smm665_read_adc(struct smm665_data *data, int adc) rv = i2c_smbus_read_word_swapped(client, 0); if (rv < 0) { dev_dbg(&client->dev, "Failed to read ADC value: error %d", rv); - return -1; + return rv; } /* * Validate/verify readback adc channel (in bit 11..14). diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c index 81348fadf3b..bd89e87bd6a 100644 --- a/drivers/hwmon/smsc47b397.c +++ b/drivers/hwmon/smsc47b397.c @@ -9,7 +9,7 @@ * * derived in part from smsc47m1.c: * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> - * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004 Jean Delvare <jdelvare@suse.de> * * 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 diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 05cb814539c..23a22c4eee5 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -7,7 +7,7 @@ * Super-I/O chips. * * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> - * Copyright (C) 2004-2007 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2004-2007 Jean Delvare <jdelvare@suse.de> * Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com> * and Jean Delvare * diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c index efee4c59239..34b9a601ad0 100644 --- a/drivers/hwmon/smsc47m192.c +++ b/drivers/hwmon/smsc47m192.c @@ -86,7 +86,7 @@ static inline u8 IN_TO_REG(unsigned long val, int n) */ static inline s8 TEMP_TO_REG(int val) { - return clamp_val(SCALE(val, 1, 1000), -128000, 127000); + return SCALE(clamp_val(val, -128000, 127000), 1, 1000); } static inline int TEMP_FROM_REG(s8 val) @@ -384,6 +384,8 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, err = kstrtoul(buf, 10, &val); if (err) return err; + if (val > 255) + return -EINVAL; data->vrm = val; return count; diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c index d7b47abf37f..51719956cc0 100644 --- a/drivers/hwmon/tmp102.c +++ b/drivers/hwmon/tmp102.c @@ -27,6 +27,8 @@ #include <linux/mutex.h> #include <linux/device.h> #include <linux/jiffies.h> +#include <linux/thermal.h> +#include <linux/of.h> #define DRIVER_NAME "tmp102" @@ -49,7 +51,9 @@ #define TMP102_THIGH_REG 0x03 struct tmp102 { + struct i2c_client *client; struct device *hwmon_dev; + struct thermal_zone_device *tz; struct mutex lock; u16 config_orig; unsigned long last_update; @@ -74,9 +78,10 @@ static const u8 tmp102_reg[] = { TMP102_THIGH_REG, }; -static struct tmp102 *tmp102_update_device(struct i2c_client *client) +static struct tmp102 *tmp102_update_device(struct device *dev) { - struct tmp102 *tmp102 = i2c_get_clientdata(client); + struct tmp102 *tmp102 = dev_get_drvdata(dev); + struct i2c_client *client = tmp102->client; mutex_lock(&tmp102->lock); if (time_after(jiffies, tmp102->last_update + HZ / 3)) { @@ -93,12 +98,21 @@ static struct tmp102 *tmp102_update_device(struct i2c_client *client) return tmp102; } +static int tmp102_read_temp(void *dev, long *temp) +{ + struct tmp102 *tmp102 = tmp102_update_device(dev); + + *temp = tmp102->temp[0]; + + return 0; +} + static ssize_t tmp102_show_temp(struct device *dev, struct device_attribute *attr, char *buf) { struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); - struct tmp102 *tmp102 = tmp102_update_device(to_i2c_client(dev)); + struct tmp102 *tmp102 = tmp102_update_device(dev); return sprintf(buf, "%d\n", tmp102->temp[sda->index]); } @@ -108,8 +122,8 @@ static ssize_t tmp102_set_temp(struct device *dev, const char *buf, size_t count) { struct sensor_device_attribute *sda = to_sensor_dev_attr(attr); - struct i2c_client *client = to_i2c_client(dev); - struct tmp102 *tmp102 = i2c_get_clientdata(client); + struct tmp102 *tmp102 = dev_get_drvdata(dev); + struct i2c_client *client = tmp102->client; long val; int status; @@ -133,16 +147,13 @@ static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, tmp102_show_temp, static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, tmp102_show_temp, tmp102_set_temp, 2); -static struct attribute *tmp102_attributes[] = { +static struct attribute *tmp102_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, NULL }; - -static const struct attribute_group tmp102_attr_group = { - .attrs = tmp102_attributes, -}; +ATTRIBUTE_GROUPS(tmp102); #define TMP102_CONFIG (TMP102_CONF_TM | TMP102_CONF_EM | TMP102_CONF_CR1) #define TMP102_CONFIG_RD_ONLY (TMP102_CONF_R0 | TMP102_CONF_R1 | TMP102_CONF_AL) @@ -150,66 +161,68 @@ static const struct attribute_group tmp102_attr_group = { static int tmp102_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; + struct device *hwmon_dev; struct tmp102 *tmp102; int status; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) { - dev_err(&client->dev, + dev_err(dev, "adapter doesn't support SMBus word transactions\n"); return -ENODEV; } - tmp102 = devm_kzalloc(&client->dev, sizeof(*tmp102), GFP_KERNEL); + tmp102 = devm_kzalloc(dev, sizeof(*tmp102), GFP_KERNEL); if (!tmp102) return -ENOMEM; i2c_set_clientdata(client, tmp102); + tmp102->client = client; status = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG); if (status < 0) { - dev_err(&client->dev, "error reading config register\n"); + dev_err(dev, "error reading config register\n"); return status; } tmp102->config_orig = status; status = i2c_smbus_write_word_swapped(client, TMP102_CONF_REG, TMP102_CONFIG); if (status < 0) { - dev_err(&client->dev, "error writing config register\n"); + dev_err(dev, "error writing config register\n"); goto fail_restore_config; } status = i2c_smbus_read_word_swapped(client, TMP102_CONF_REG); if (status < 0) { - dev_err(&client->dev, "error reading config register\n"); + dev_err(dev, "error reading config register\n"); goto fail_restore_config; } status &= ~TMP102_CONFIG_RD_ONLY; if (status != TMP102_CONFIG) { - dev_err(&client->dev, "config settings did not stick\n"); + dev_err(dev, "config settings did not stick\n"); status = -ENODEV; goto fail_restore_config; } tmp102->last_update = jiffies - HZ; mutex_init(&tmp102->lock); - status = sysfs_create_group(&client->dev.kobj, &tmp102_attr_group); - if (status) { - dev_dbg(&client->dev, "could not create sysfs files\n"); + hwmon_dev = hwmon_device_register_with_groups(dev, client->name, + tmp102, tmp102_groups); + if (IS_ERR(hwmon_dev)) { + dev_dbg(dev, "unable to register hwmon device\n"); + status = PTR_ERR(hwmon_dev); goto fail_restore_config; } - tmp102->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(tmp102->hwmon_dev)) { - dev_dbg(&client->dev, "unable to register hwmon device\n"); - status = PTR_ERR(tmp102->hwmon_dev); - goto fail_remove_sysfs; - } + tmp102->hwmon_dev = hwmon_dev; + tmp102->tz = thermal_zone_of_sensor_register(hwmon_dev, 0, hwmon_dev, + tmp102_read_temp, NULL); + if (IS_ERR(tmp102->tz)) + tmp102->tz = NULL; - dev_info(&client->dev, "initialized\n"); + dev_info(dev, "initialized\n"); return 0; -fail_remove_sysfs: - sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group); fail_restore_config: i2c_smbus_write_word_swapped(client, TMP102_CONF_REG, tmp102->config_orig); @@ -220,8 +233,8 @@ static int tmp102_remove(struct i2c_client *client) { struct tmp102 *tmp102 = i2c_get_clientdata(client); + thermal_zone_of_sensor_unregister(tmp102->hwmon_dev, tmp102->tz); hwmon_device_unregister(tmp102->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &tmp102_attr_group); /* Stop monitoring if device was stopped originally */ if (tmp102->config_orig & TMP102_CONF_SD) { diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c index dfe6d9527ef..7fa6e7d0b9b 100644 --- a/drivers/hwmon/tmp401.c +++ b/drivers/hwmon/tmp401.c @@ -155,7 +155,8 @@ MODULE_DEVICE_TABLE(i2c, tmp401_id); */ struct tmp401_data { - struct device *hwmon_dev; + struct i2c_client *client; + const struct attribute_group *groups[3]; struct mutex update_lock; char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ @@ -231,8 +232,8 @@ static int tmp401_update_device_reg16(struct i2c_client *client, static struct tmp401_data *tmp401_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct tmp401_data *data = i2c_get_clientdata(client); + struct tmp401_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; struct tmp401_data *ret = data; int i, val; unsigned long next_update; @@ -350,15 +351,12 @@ static ssize_t store_temp(struct device *dev, struct device_attribute *devattr, { int nr = to_sensor_dev_attr_2(devattr)->nr; int index = to_sensor_dev_attr_2(devattr)->index; - struct i2c_client *client = to_i2c_client(dev); - struct tmp401_data *data = tmp401_update_device(dev); + struct tmp401_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; u16 reg; u8 regaddr; - if (IS_ERR(data)) - return PTR_ERR(data); - if (kstrtol(buf, 10, &val)) return -EINVAL; @@ -405,7 +403,7 @@ static ssize_t store_temp_crit_hyst(struct device *dev, struct device_attribute val = clamp_val(val, temp - 255000, temp); reg = ((temp - val) + 500) / 1000; - i2c_smbus_write_byte_data(to_i2c_client(dev), TMP401_TEMP_CRIT_HYST, + i2c_smbus_write_byte_data(data->client, TMP401_TEMP_CRIT_HYST, reg); data->temp_crit_hyst = reg; @@ -423,8 +421,8 @@ static ssize_t store_temp_crit_hyst(struct device *dev, struct device_attribute static ssize_t reset_temp_history(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct tmp401_data *data = i2c_get_clientdata(client); + struct tmp401_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; long val; if (kstrtol(buf, 10, &val)) @@ -447,8 +445,7 @@ static ssize_t reset_temp_history(struct device *dev, static ssize_t show_update_interval(struct device *dev, struct device_attribute *attr, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct tmp401_data *data = i2c_get_clientdata(client); + struct tmp401_data *data = dev_get_drvdata(dev); return sprintf(buf, "%u\n", data->update_interval); } @@ -457,8 +454,8 @@ static ssize_t set_update_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct i2c_client *client = to_i2c_client(dev); - struct tmp401_data *data = i2c_get_clientdata(client); + struct tmp401_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; unsigned long val; int err, rate; @@ -616,10 +613,10 @@ static const struct attribute_group tmp432_group = { * Begin non sysfs callback code (aka Real code) */ -static void tmp401_init_client(struct i2c_client *client) +static void tmp401_init_client(struct tmp401_data *data, + struct i2c_client *client) { int config, config_orig; - struct tmp401_data *data = i2c_get_clientdata(client); /* Set the conversion rate to 2 Hz */ i2c_smbus_write_byte_data(client, TMP401_CONVERSION_RATE_WRITE, 5); @@ -705,77 +702,45 @@ static int tmp401_detect(struct i2c_client *client, return 0; } -static int tmp401_remove(struct i2c_client *client) -{ - struct device *dev = &client->dev; - struct tmp401_data *data = i2c_get_clientdata(client); - - if (data->hwmon_dev) - hwmon_device_unregister(data->hwmon_dev); - - sysfs_remove_group(&dev->kobj, &tmp401_group); - - if (data->kind == tmp411) - sysfs_remove_group(&dev->kobj, &tmp411_group); - - if (data->kind == tmp432) - sysfs_remove_group(&dev->kobj, &tmp432_group); - - return 0; -} - static int tmp401_probe(struct i2c_client *client, const struct i2c_device_id *id) { + const char *names[] = { "TMP401", "TMP411", "TMP431", "TMP432" }; struct device *dev = &client->dev; - int err; + struct device *hwmon_dev; struct tmp401_data *data; - const char *names[] = { "TMP401", "TMP411", "TMP431", "TMP432" }; + int groups = 0; data = devm_kzalloc(dev, sizeof(struct tmp401_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); + data->client = client; mutex_init(&data->update_lock); data->kind = id->driver_data; /* Initialize the TMP401 chip */ - tmp401_init_client(client); + tmp401_init_client(data, client); /* Register sysfs hooks */ - err = sysfs_create_group(&dev->kobj, &tmp401_group); - if (err) - return err; + data->groups[groups++] = &tmp401_group; /* Register additional tmp411 sysfs hooks */ - if (data->kind == tmp411) { - err = sysfs_create_group(&dev->kobj, &tmp411_group); - if (err) - goto exit_remove; - } + if (data->kind == tmp411) + data->groups[groups++] = &tmp411_group; /* Register additional tmp432 sysfs hooks */ - if (data->kind == tmp432) { - err = sysfs_create_group(&dev->kobj, &tmp432_group); - if (err) - goto exit_remove; - } + if (data->kind == tmp432) + data->groups[groups++] = &tmp432_group; - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - data->hwmon_dev = NULL; - goto exit_remove; - } + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, data->groups); + if (IS_ERR(hwmon_dev)) + return PTR_ERR(hwmon_dev); dev_info(dev, "Detected TI %s chip\n", names[data->kind]); return 0; - -exit_remove: - tmp401_remove(client); - return err; } static struct i2c_driver tmp401_driver = { @@ -784,7 +749,6 @@ static struct i2c_driver tmp401_driver = { .name = "tmp401", }, .probe = tmp401_probe, - .remove = tmp401_remove, .id_table = tmp401_id, .detect = tmp401_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index ae26b06fa81..7bab7a9bedc 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -69,7 +69,7 @@ static const struct i2c_device_id tmp421_id[] = { MODULE_DEVICE_TABLE(i2c, tmp421_id); struct tmp421_data { - struct device *hwmon_dev; + struct i2c_client *client; struct mutex update_lock; char valid; unsigned long last_updated; @@ -99,8 +99,8 @@ static int temp_from_u16(u16 reg) static struct tmp421_data *tmp421_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct tmp421_data *data = i2c_get_clientdata(client); + struct tmp421_data *data = dev_get_drvdata(dev); + struct i2c_client *client = data->client; int i; mutex_lock(&data->update_lock); @@ -198,6 +198,11 @@ static const struct attribute_group tmp421_group = { .is_visible = tmp421_is_visible, }; +static const struct attribute_group *tmp421_groups[] = { + &tmp421_group, + NULL +}; + static int tmp421_init_client(struct i2c_client *client) { int config, config_orig; @@ -264,47 +269,26 @@ static int tmp421_detect(struct i2c_client *client, static int tmp421_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; + struct device *hwmon_dev; struct tmp421_data *data; int err; - data = devm_kzalloc(&client->dev, sizeof(struct tmp421_data), - GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct tmp421_data), GFP_KERNEL); if (!data) return -ENOMEM; - i2c_set_clientdata(client, data); mutex_init(&data->update_lock); data->channels = id->driver_data; + data->client = client; err = tmp421_init_client(client); if (err) return err; - err = sysfs_create_group(&client->dev.kobj, &tmp421_group); - if (err) - return err; - - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - data->hwmon_dev = NULL; - goto exit_remove; - } - return 0; - -exit_remove: - sysfs_remove_group(&client->dev.kobj, &tmp421_group); - return err; -} - -static int tmp421_remove(struct i2c_client *client) -{ - struct tmp421_data *data = i2c_get_clientdata(client); - - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &tmp421_group); - - return 0; + hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, + data, tmp421_groups); + return PTR_ERR_OR_ZERO(hwmon_dev); } static struct i2c_driver tmp421_driver = { @@ -313,7 +297,6 @@ static struct i2c_driver tmp421_driver = { .name = "tmp421", }, .probe = tmp421_probe, - .remove = tmp421_remove, .id_table = tmp421_id, .detect = tmp421_detect, .address_list = normal_i2c, diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c index fb3e69341c1..7d465863606 100644 --- a/drivers/hwmon/ultra45_env.c +++ b/drivers/hwmon/ultra45_env.c @@ -252,7 +252,7 @@ static const struct attribute_group env_group = { static int env_probe(struct platform_device *op) { - struct env *p = kzalloc(sizeof(*p), GFP_KERNEL); + struct env *p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL); int err = -ENOMEM; if (!p) @@ -262,7 +262,7 @@ static int env_probe(struct platform_device *op) p->regs = of_ioremap(&op->resource[0], 0, REG_SIZE, "pic16f747"); if (!p->regs) - goto out_free; + goto out; err = sysfs_create_group(&op->dev.kobj, &env_group); if (err) @@ -286,8 +286,6 @@ out_sysfs_remove_group: out_iounmap: of_iounmap(&op->resource[0], p->regs, REG_SIZE); -out_free: - kfree(p); goto out; } @@ -299,7 +297,6 @@ static int env_remove(struct platform_device *op) sysfs_remove_group(&op->dev.kobj, &env_group); hwmon_device_unregister(p->hwmon_dev); of_iounmap(&op->resource[0], p->regs, REG_SIZE); - kfree(p); } return 0; diff --git a/drivers/hwmon/vexpress.c b/drivers/hwmon/vexpress.c index d867e6bb2be..c53619086f3 100644 --- a/drivers/hwmon/vexpress.c +++ b/drivers/hwmon/vexpress.c @@ -26,26 +26,14 @@ struct vexpress_hwmon_data { struct device *hwmon_dev; - struct vexpress_config_func *func; + struct regmap *reg; }; -static ssize_t vexpress_hwmon_name_show(struct device *dev, - struct device_attribute *dev_attr, char *buffer) -{ - const char *compatible = of_get_property(dev->of_node, "compatible", - NULL); - - return sprintf(buffer, "%s\n", compatible); -} - static ssize_t vexpress_hwmon_label_show(struct device *dev, struct device_attribute *dev_attr, char *buffer) { const char *label = of_get_property(dev->of_node, "label", NULL); - if (!label) - return -ENOENT; - return snprintf(buffer, PAGE_SIZE, "%s\n", label); } @@ -56,7 +44,7 @@ static ssize_t vexpress_hwmon_u32_show(struct device *dev, int err; u32 value; - err = vexpress_config_read(data->func, 0, &value); + err = regmap_read(data->reg, 0, &value); if (err) return err; @@ -71,11 +59,11 @@ static ssize_t vexpress_hwmon_u64_show(struct device *dev, int err; u32 value_hi, value_lo; - err = vexpress_config_read(data->func, 0, &value_lo); + err = regmap_read(data->reg, 0, &value_lo); if (err) return err; - err = vexpress_config_read(data->func, 1, &value_hi); + err = regmap_read(data->reg, 1, &value_hi); if (err) return err; @@ -84,77 +72,146 @@ static ssize_t vexpress_hwmon_u64_show(struct device *dev, to_sensor_dev_attr(dev_attr)->index)); } -static DEVICE_ATTR(name, S_IRUGO, vexpress_hwmon_name_show, NULL); +static umode_t vexpress_hwmon_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int index) +{ + struct device *dev = kobj_to_dev(kobj); + struct device_attribute *dev_attr = container_of(attr, + struct device_attribute, attr); + + if (dev_attr->show == vexpress_hwmon_label_show && + !of_get_property(dev->of_node, "label", NULL)) + return 0; -#define VEXPRESS_HWMON_ATTRS(_name, _label_attr, _input_attr) \ -struct attribute *vexpress_hwmon_attrs_##_name[] = { \ - &dev_attr_name.attr, \ - &dev_attr_##_label_attr.attr, \ - &sensor_dev_attr_##_input_attr.dev_attr.attr, \ - NULL \ + return attr->mode; } +struct vexpress_hwmon_type { + const char *name; + const struct attribute_group **attr_groups; +}; + #if !defined(CONFIG_REGULATOR_VEXPRESS) static DEVICE_ATTR(in1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); -static VEXPRESS_HWMON_ATTRS(volt, in1_label, in1_input); +static struct attribute *vexpress_hwmon_attrs_volt[] = { + &dev_attr_in1_label.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + NULL +}; static struct attribute_group vexpress_hwmon_group_volt = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_volt, }; +static struct vexpress_hwmon_type vexpress_hwmon_volt = { + .name = "vexpress_volt", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_volt, + NULL, + }, +}; #endif static DEVICE_ATTR(curr1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); -static VEXPRESS_HWMON_ATTRS(amp, curr1_label, curr1_input); +static struct attribute *vexpress_hwmon_attrs_amp[] = { + &dev_attr_curr1_label.attr, + &sensor_dev_attr_curr1_input.dev_attr.attr, + NULL +}; static struct attribute_group vexpress_hwmon_group_amp = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_amp, }; +static struct vexpress_hwmon_type vexpress_hwmon_amp = { + .name = "vexpress_amp", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_amp, + NULL + }, +}; static DEVICE_ATTR(temp1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1000); -static VEXPRESS_HWMON_ATTRS(temp, temp1_label, temp1_input); +static struct attribute *vexpress_hwmon_attrs_temp[] = { + &dev_attr_temp1_label.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + NULL +}; static struct attribute_group vexpress_hwmon_group_temp = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_temp, }; +static struct vexpress_hwmon_type vexpress_hwmon_temp = { + .name = "vexpress_temp", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_temp, + NULL + }, +}; static DEVICE_ATTR(power1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, vexpress_hwmon_u32_show, NULL, 1); -static VEXPRESS_HWMON_ATTRS(power, power1_label, power1_input); +static struct attribute *vexpress_hwmon_attrs_power[] = { + &dev_attr_power1_label.attr, + &sensor_dev_attr_power1_input.dev_attr.attr, + NULL +}; static struct attribute_group vexpress_hwmon_group_power = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_power, }; +static struct vexpress_hwmon_type vexpress_hwmon_power = { + .name = "vexpress_power", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_power, + NULL + }, +}; static DEVICE_ATTR(energy1_label, S_IRUGO, vexpress_hwmon_label_show, NULL); static SENSOR_DEVICE_ATTR(energy1_input, S_IRUGO, vexpress_hwmon_u64_show, NULL, 1); -static VEXPRESS_HWMON_ATTRS(energy, energy1_label, energy1_input); +static struct attribute *vexpress_hwmon_attrs_energy[] = { + &dev_attr_energy1_label.attr, + &sensor_dev_attr_energy1_input.dev_attr.attr, + NULL +}; static struct attribute_group vexpress_hwmon_group_energy = { + .is_visible = vexpress_hwmon_attr_is_visible, .attrs = vexpress_hwmon_attrs_energy, }; +static struct vexpress_hwmon_type vexpress_hwmon_energy = { + .name = "vexpress_energy", + .attr_groups = (const struct attribute_group *[]) { + &vexpress_hwmon_group_energy, + NULL + }, +}; static struct of_device_id vexpress_hwmon_of_match[] = { #if !defined(CONFIG_REGULATOR_VEXPRESS) { .compatible = "arm,vexpress-volt", - .data = &vexpress_hwmon_group_volt, + .data = &vexpress_hwmon_volt, }, #endif { .compatible = "arm,vexpress-amp", - .data = &vexpress_hwmon_group_amp, + .data = &vexpress_hwmon_amp, }, { .compatible = "arm,vexpress-temp", - .data = &vexpress_hwmon_group_temp, + .data = &vexpress_hwmon_temp, }, { .compatible = "arm,vexpress-power", - .data = &vexpress_hwmon_group_power, + .data = &vexpress_hwmon_power, }, { .compatible = "arm,vexpress-energy", - .data = &vexpress_hwmon_group_energy, + .data = &vexpress_hwmon_energy, }, {} }; @@ -162,9 +219,9 @@ MODULE_DEVICE_TABLE(of, vexpress_hwmon_of_match); static int vexpress_hwmon_probe(struct platform_device *pdev) { - int err; const struct of_device_id *match; struct vexpress_hwmon_data *data; + const struct vexpress_hwmon_type *type; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -174,47 +231,20 @@ static int vexpress_hwmon_probe(struct platform_device *pdev) match = of_match_device(vexpress_hwmon_of_match, &pdev->dev); if (!match) return -ENODEV; + type = match->data; - data->func = vexpress_config_func_get_by_dev(&pdev->dev); - if (!data->func) - return -ENODEV; - - err = sysfs_create_group(&pdev->dev.kobj, match->data); - if (err) - goto error; - - data->hwmon_dev = hwmon_device_register(&pdev->dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto error; - } - - return 0; - -error: - sysfs_remove_group(&pdev->dev.kobj, match->data); - vexpress_config_func_put(data->func); - return err; -} - -static int vexpress_hwmon_remove(struct platform_device *pdev) -{ - struct vexpress_hwmon_data *data = platform_get_drvdata(pdev); - const struct of_device_id *match; - - hwmon_device_unregister(data->hwmon_dev); - - match = of_match_device(vexpress_hwmon_of_match, &pdev->dev); - sysfs_remove_group(&pdev->dev.kobj, match->data); + data->reg = devm_regmap_init_vexpress_config(&pdev->dev); + if (IS_ERR(data->reg)) + return PTR_ERR(data->reg); - vexpress_config_func_put(data->func); + data->hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, + type->name, data, type->attr_groups); - return 0; + return PTR_ERR_OR_ZERO(data->hwmon_dev); } static struct platform_driver vexpress_hwmon_driver = { .probe = vexpress_hwmon_probe, - .remove = vexpress_hwmon_remove, .driver = { .name = DRVNAME, .owner = THIS_MODULE, diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c index 38944e94f65..8df43c51de2 100644 --- a/drivers/hwmon/via-cputemp.c +++ b/drivers/hwmon/via-cputemp.c @@ -319,7 +319,7 @@ static int __init via_cputemp_init(void) if (err) goto exit; - get_online_cpus(); + cpu_notifier_register_begin(); for_each_online_cpu(i) { struct cpuinfo_x86 *c = &cpu_data(i); @@ -339,14 +339,14 @@ static int __init via_cputemp_init(void) #ifndef CONFIG_HOTPLUG_CPU if (list_empty(&pdev_list)) { - put_online_cpus(); + cpu_notifier_register_done(); err = -ENODEV; goto exit_driver_unreg; } #endif - register_hotcpu_notifier(&via_cputemp_cpu_notifier); - put_online_cpus(); + __register_hotcpu_notifier(&via_cputemp_cpu_notifier); + cpu_notifier_register_done(); return 0; #ifndef CONFIG_HOTPLUG_CPU @@ -361,8 +361,8 @@ static void __exit via_cputemp_exit(void) { struct pdev_entry *p, *n; - get_online_cpus(); - unregister_hotcpu_notifier(&via_cputemp_cpu_notifier); + cpu_notifier_register_begin(); + __unregister_hotcpu_notifier(&via_cputemp_cpu_notifier); mutex_lock(&pdev_list_mutex); list_for_each_entry_safe(p, n, &pdev_list, list) { platform_device_unregister(p->pdev); @@ -370,7 +370,7 @@ static void __exit via_cputemp_exit(void) kfree(p); } mutex_unlock(&pdev_list_mutex); - put_online_cpus(); + cpu_notifier_register_done(); platform_driver_unregister(&via_cputemp_driver); } diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c index c9dcce8c3dc..babd732b4e1 100644 --- a/drivers/hwmon/via686a.c +++ b/drivers/hwmon/via686a.c @@ -824,7 +824,7 @@ static struct via686a_data *via686a_update_device(struct device *dev) return data; } -static DEFINE_PCI_DEVICE_TABLE(via686a_pci_ids) = { +static const struct pci_device_id via686a_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) }, { } }; diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 6b2f1a42b3f..344b22ec255 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -1152,10 +1152,8 @@ static int vt1211_probe(struct platform_device *pdev) int i, err; data = devm_kzalloc(dev, sizeof(struct vt1211_data), GFP_KERNEL); - if (!data) { - dev_err(dev, "Out of memory\n"); + if (!data) return -ENOMEM; - } res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(dev, res->start, resource_size(res), diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c index 0e7017841f7..b3babe3326f 100644 --- a/drivers/hwmon/vt8231.c +++ b/drivers/hwmon/vt8231.c @@ -145,7 +145,7 @@ static const u8 regtempmin[] = { 0x3a, 0x3e, 0x2c, 0x2e, 0x30, 0x32 }; */ static inline u8 FAN_TO_REG(long rpm, int div) { - if (rpm == 0) + if (rpm <= 0 || rpm > 1310720) return 0; return clamp_val(1310720 / (rpm * div), 1, 255); } @@ -766,7 +766,7 @@ static struct platform_driver vt8231_driver = { .remove = vt8231_remove, }; -static DEFINE_PCI_DEVICE_TABLE(vt8231_pci_ids) = { +static const struct pci_device_id vt8231_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4) }, { 0, } }; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 23ff210513d..f0ab61db7a0 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1,7 +1,7 @@ /* * w83627ehf - Driver for the hardware monitoring functionality of * the Winbond W83627EHF Super-I/O chip - * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de> * Copyright (C) 2006 Yuan Mu (Winbond), * Rudolf Marek <r.marek@assembler.cz> * David Hubbard <david.c.hubbard@gmail.com> @@ -2889,7 +2889,7 @@ static void __exit sensors_w83627ehf_exit(void) platform_driver_unregister(&w83627ehf_driver); } -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("W83627EHF driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index cb9cd326ecb..c1726be3654 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -5,7 +5,7 @@ * Philip Edelbrock <phil@netroedge.com>, * and Mark Studebaker <mdsxyz123@yahoo.com> * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> - * Copyright (c) 2007 - 1012 Jean Delvare <khali@linux-fr.org> + * Copyright (c) 2007 - 1012 Jean Delvare <jdelvare@suse.de> * * 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 diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index f9d513949a3..84911616d8c 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -4,7 +4,7 @@ * Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, * Philip Edelbrock <phil@netroedge.com>, * and Mark Studebaker <mdsxyz123@yahoo.com> - * Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org> + * Copyright (c) 2007 - 2008 Jean Delvare <jdelvare@suse.de> * * 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 diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index a3feee332e2..bdcf2dce5ec 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -1043,7 +1043,7 @@ static struct sensor_device_attribute sda_temp_alarm[] = { SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), }; -/* get reatime status of all sensors items: voltage, temp, fan */ +/* get realtime status of all sensors items: voltage, temp, fan */ static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 5febb43cb4c..4068db4d958 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -579,7 +579,7 @@ static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, return count; } -/* get reatime status of all sensors items: voltage, temp, fan */ +/* get realtime status of all sensors items: voltage, temp, fan */ static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { @@ -1376,7 +1376,6 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) return -ENOMEM; i2c_set_clientdata(client, data); - data->valid = 0; mutex_init(&data->update_lock); err = w83792d_detect_subclients(client); diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index b0c30a546ff..9d63d71214c 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -808,7 +808,7 @@ show_sf_ctrl(struct device *dev, struct device_attribute *attr, char *buf) if (nr == TEMP_FAN_MAP) { val = data->temp_fan_map[index]; } else if (nr == TEMP_PWM_ENABLE) { - /* +2 to transfrom into 2 and 3 to conform with sysfs intf */ + /* +2 to transform into 2 and 3 to conform with sysfs intf */ val = ((data->pwm_enable >> index) & 0x01) + 2; } else if (nr == TEMP_CRUISE) { val = TEMP_FROM_REG(data->temp_cruise[index] & 0x7f); @@ -1199,7 +1199,8 @@ static void w83793_init_client(struct i2c_client *client) static int watchdog_set_timeout(struct w83793_data *data, int timeout) { - int ret, mtimeout; + unsigned int mtimeout; + int ret; mtimeout = DIV_ROUND_UP(timeout, 60); diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 908209d2466..21894131190 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -2,7 +2,7 @@ * w83795.c - Linux kernel driver for hardware monitoring * Copyright (C) 2008 Nuvoton Technology Corp. * Wei Song - * Copyright (C) 2010 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2010 Jean Delvare <jdelvare@suse.de> * * 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 @@ -2282,6 +2282,6 @@ static struct i2c_driver w83795_driver = { module_i2c_driver(w83795_driver); -MODULE_AUTHOR("Wei Song, Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Wei Song, Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c index 39dbe990dc1..ac304312201 100644 --- a/drivers/hwmon/w83l785ts.c +++ b/drivers/hwmon/w83l785ts.c @@ -1,7 +1,7 @@ /* * w83l785ts.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2009 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2003-2009 Jean Delvare <jdelvare@suse.de> * * Inspired from the lm83 driver. The W83L785TS-S is a sensor chip made * by Winbond. It reports a single external temperature with a 1 deg @@ -10,7 +10,7 @@ * http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L785TS-S.pdf * * Ported to Linux 2.6 by Wolfgang Ziegler <nuppla@gmx.at> and Jean Delvare - * <khali@linux-fr.org>. + * <jdelvare@suse.de>. * * Thanks to James Bolt <james@evilpenguin.com> for benchmarking the read * error handling mechanism. @@ -188,12 +188,8 @@ static int w83l785ts_probe(struct i2c_client *client, return -ENOMEM; i2c_set_clientdata(client, data); - data->valid = 0; mutex_init(&data->update_lock); - /* Default values in case the first read fails (unlikely). */ - data->temp[1] = data->temp[0] = 0; - /* * Initialize the W83L785TS chip * Nothing yet, assume it is already started. @@ -299,6 +295,6 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev) module_i2c_driver(w83l785ts_driver); -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_DESCRIPTION("W83L785TS-S driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index edb06cda5a6..32487c19cbf 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -249,7 +249,7 @@ static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ int nr = to_sensor_dev_attr(attr)->index; \ struct w83l786ng_data *data = w83l786ng_update_device(dev); \ return sprintf(buf, "%d\n", \ - FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \ + FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ } show_fan_reg(fan); @@ -481,9 +481,11 @@ store_pwm(struct device *dev, struct device_attribute *attr, if (err) return err; val = clamp_val(val, 0, 255); + val = DIV_ROUND_CLOSEST(val, 0x11); mutex_lock(&data->update_lock); - data->pwm[nr] = val; + data->pwm[nr] = val * 0x11; + val |= w83l786ng_read_value(client, W83L786NG_REG_PWM[nr]) & 0xf0; w83l786ng_write_value(client, W83L786NG_REG_PWM[nr], val); mutex_unlock(&data->update_lock); return count; @@ -510,7 +512,7 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr, mutex_lock(&data->update_lock); reg = w83l786ng_read_value(client, W83L786NG_REG_FAN_CFG); data->pwm_enable[nr] = val; - reg &= ~(0x02 << W83L786NG_PWM_ENABLE_SHIFT[nr]); + reg &= ~(0x03 << W83L786NG_PWM_ENABLE_SHIFT[nr]); reg |= (val - 1) << W83L786NG_PWM_ENABLE_SHIFT[nr]; w83l786ng_write_value(client, W83L786NG_REG_FAN_CFG, reg); mutex_unlock(&data->update_lock); @@ -776,9 +778,10 @@ static struct w83l786ng_data *w83l786ng_update_device(struct device *dev) ((pwmcfg >> W83L786NG_PWM_MODE_SHIFT[i]) & 1) ? 0 : 1; data->pwm_enable[i] = - ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 2) + 1; - data->pwm[i] = w83l786ng_read_value(client, - W83L786NG_REG_PWM[i]); + ((pwmcfg >> W83L786NG_PWM_ENABLE_SHIFT[i]) & 3) + 1; + data->pwm[i] = + (w83l786ng_read_value(client, W83L786NG_REG_PWM[i]) + & 0x0f) * 0x11; } |