diff options
30 files changed, 1808 insertions, 623 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/lm70.txt b/Documentation/devicetree/bindings/hwmon/lm70.txt new file mode 100644 index 000000000000..e7fd921aa4f1 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/lm70.txt @@ -0,0 +1,21 @@ +* LM70/TMP121/LM71/LM74 thermometer. + +Required properties: +- compatible: one of + "ti,lm70" + "ti,tmp121" + "ti,lm71" + "ti,lm74" + +See Documentation/devicetree/bindings/spi/spi-bus.txt for more required and +optional properties. + +Example: + +spi_master { + temperature-sensor@0 { + compatible = "ti,lm70"; + reg = <0>; + spi-max-frequency = <1000000>; + }; +}; diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt index ed2f09dc2483..a7afbf60bb9c 100644 --- a/Documentation/devicetree/bindings/hwmon/ltc2978.txt +++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt @@ -3,10 +3,16 @@ ltc2978 Required properties: - compatible: should contain one of: * "lltc,ltc2974" + * "lltc,ltc2975" * "lltc,ltc2977" * "lltc,ltc2978" + * "lltc,ltc2980" * "lltc,ltc3880" + * "lltc,ltc3882" * "lltc,ltc3883" + * "lltc,ltc3886" + * "lltc,ltc3887" + * "lltc,ltm2987" * "lltc,ltm4676" - reg: I2C slave address @@ -17,10 +23,10 @@ Optional properties: standard binding for regulators; see regulator.txt. Valid names of regulators depend on number of supplies supported per device: - * ltc2974 : vout0 - vout3 - * ltc2977 : vout0 - vout7 + * ltc2974, ltc2975 : vout0 - vout3 + * ltc2977, ltc2980, ltm2987 : vout0 - vout7 * ltc2978 : vout0 - vout7 - * ltc3880 : vout0 - vout1 + * ltc3880, ltc3882, ltc3886 : vout0 - vout1 * ltc3883 : vout0 * ltm4676 : vout0 - vout1 diff --git a/Documentation/hwmon/adm1275 b/Documentation/hwmon/adm1275 index 15b4a20d5062..d697229e3c18 100644 --- a/Documentation/hwmon/adm1275 +++ b/Documentation/hwmon/adm1275 @@ -14,6 +14,10 @@ Supported chips: Prefix: 'adm1276' Addresses scanned: - Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf + * Analog Devices ADM1293/ADM1294 + Prefix: 'adm1293', 'adm1294' + Addresses scanned: - + Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADM1293_1294.pdf Author: Guenter Roeck <linux@roeck-us.net> @@ -22,12 +26,12 @@ Description ----------- This driver supports hardware montoring for Analog Devices ADM1075, ADM1275, -and ADM1276 Hot-Swap Controller and Digital Power Monitor. +ADM1276, ADM1293, and ADM1294 Hot-Swap Controller and Digital Power Monitors. -ADM1075, ADM1275, and ADM1276 are hot-swap controllers that allow a circuit -board to be removed from or inserted into a live backplane. They also feature -current and voltage readback via an integrated 12-bit analog-to-digital -converter (ADC), accessed using a PMBus interface. +ADM1075, ADM1275, ADM1276, ADM1293, and ADM1294 are hot-swap controllers that +allow a circuit board to be removed from or inserted into a live backplane. +They also feature current and voltage readback via an integrated 12 +bit analog-to-digital converter (ADC), accessed using a PMBus interface. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus for details on PMBus client drivers. @@ -58,16 +62,16 @@ Sysfs entries The following attributes are supported. Limits are read-write, history reset attributes are write-only, all other attributes are read-only. -in1_label "vin1" or "vout1" depending on chip variant and - configuration. On ADM1075, vout1 reports the voltage on - the VAUX pin. -in1_input Measured voltage. -in1_min Minimum Voltage. -in1_max Maximum voltage. -in1_min_alarm Voltage low alarm. -in1_max_alarm Voltage high alarm. -in1_highest Historical maximum voltage. -in1_reset_history Write any value to reset history. +inX_label "vin1" or "vout1" depending on chip variant and + configuration. On ADM1075, ADM1293, and ADM1294, + vout1 reports the voltage on the VAUX pin. +inX_input Measured voltage. +inX_min Minimum Voltage. +inX_max Maximum voltage. +inX_min_alarm Voltage low alarm. +inX_max_alarm Voltage high alarm. +inX_highest Historical maximum voltage. +inX_reset_history Write any value to reset history. curr1_label "iout1" curr1_input Measured current. @@ -86,7 +90,9 @@ curr1_reset_history Write any value to reset history. power1_label "pin1" power1_input Input power. +power1_input_lowest Lowest observed input power. ADM1293 and ADM1294 only. +power1_input_highest Highest observed input power. power1_reset_history Write any value to reset history. - Power attributes are supported on ADM1075 and ADM1276 - only. + Power attributes are supported on ADM1075, ADM1276, + ADM1293, and ADM1294. diff --git a/Documentation/hwmon/fam15h_power b/Documentation/hwmon/fam15h_power index 80654813d04a..e2b1b69eebea 100644 --- a/Documentation/hwmon/fam15h_power +++ b/Documentation/hwmon/fam15h_power @@ -3,12 +3,13 @@ Kernel driver fam15h_power Supported chips: * AMD Family 15h Processors +* AMD Family 16h Processors Prefix: 'fam15h_power' Addresses scanned: PCI space Datasheets: BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors - (not yet published) + BIOS and Kernel Developer's Guide (BKDG) For AMD Family 16h Processors Author: Andreas Herrmann <herrmann.der.user@googlemail.com> @@ -16,10 +17,11 @@ Description ----------- This driver permits reading of registers providing power information -of AMD Family 15h processors. +of AMD Family 15h and 16h processors. -For AMD Family 15h processors the following power values can be -calculated using different processor northbridge function registers: +For AMD Family 15h and 16h processors the following power values can +be calculated using different processor northbridge function +registers: * BasePwrWatts: Specifies in watts the maximum amount of power consumed by the processor for NB and logic external to the core. diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index e87294878334..733296d65449 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -38,6 +38,10 @@ Supported chips: Prefix: 'it8728' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8732F + Prefix: 'it8732' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * IT8771E Prefix: 'it8771' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -111,9 +115,9 @@ Description ----------- This driver implements support for the IT8603E, IT8620E, IT8623E, IT8705F, -IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, -IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and SiS950 -chips. +IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8732F, +IT8758E, IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and +SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -137,10 +141,10 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions have support for 2 additional fans. The additional fans are supported by the driver. -The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8781F, IT8782F, IT8783E/F, -and late IT8712F and IT8705F also have optional 16-bit tachometer counters -for fans 1 to 3. This is better (no more fan clock divider mess) but not -compatible with the older chips and revisions. The 16-bit tachometer mode +The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8732F, IT8781F, IT8782F, +IT8783E/F, and late IT8712F and IT8705F also have optional 16-bit tachometer +counters for fans 1 to 3. This is better (no more fan clock divider mess) but +not compatible with the older chips and revisions. The 16-bit tachometer mode is enabled by the driver when one of the above chips is detected. The IT8726F is just bit enhanced IT8716F with additional hardware @@ -159,6 +163,9 @@ IT8728F. It only supports 16-bit fan mode. The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled. +The IT8732F supports a closed-loop mode for fan control, but this is not +currently implemented by the driver. + Temperatures are measured in degrees Celsius. An alarm is triggered once when the Overtemperature Shutdown limit is crossed. @@ -173,12 +180,14 @@ is done. Voltage sensors (also known as IN sensors) report their values in volts. An alarm is triggered if the voltage has crossed a programmable minimum or maximum limit. Note that minimum in this case always means 'closest to -zero'; this is important for negative voltage measurements. All voltage -inputs can measure voltages between 0 and 4.08 volts, with a resolution of -0.016 volt (except IT8603E, IT8721F/IT8758E and IT8728F: 0.012 volt.) The -battery voltage in8 does not have limit registers. - -On the IT8603E, IT8721F/IT8758E, IT8781F, IT8782F, and IT8783E/F, some +zero'; this is important for negative voltage measurements. On most chips, all +voltage inputs can measure voltages between 0 and 4.08 volts, with a resolution +of 0.016 volt. IT8603E, IT8721F/IT8758E and IT8728F can measure between 0 and +3.06 volts, with a resolution of 0.012 volt. IT8732F can measure between 0 and +2.8 volts with a resolution of 0.0109 volt. The battery voltage in8 does not +have limit registers. + +On the IT8603E, IT8721F/IT8758E, IT8732F, IT8781F, IT8782F, and IT8783E/F, some voltage inputs are internal and scaled inside the chip: * in3 (optional) * in7 (optional for IT8781F, IT8782F, and IT8783E/F) diff --git a/Documentation/hwmon/ltc2978 b/Documentation/hwmon/ltc2978 index 686c078bb0e0..9a49d3c90cd1 100644 --- a/Documentation/hwmon/ltc2978 +++ b/Documentation/hwmon/ltc2978 @@ -6,6 +6,10 @@ Supported chips: Prefix: 'ltc2974' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc2974 + * Linear Technology LTC2975 + Prefix: 'ltc2975' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc2975 * Linear Technology LTC2977 Prefix: 'ltc2977' Addresses scanned: - @@ -15,14 +19,38 @@ Supported chips: Addresses scanned: - Datasheet: http://www.linear.com/product/ltc2978 http://www.linear.com/product/ltc2978a + * Linear Technology LTC2980 + Prefix: 'ltc2980' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc2980 * Linear Technology LTC3880 Prefix: 'ltc3880' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc3880 + * Linear Technology LTC3882 + Prefix: 'ltc3882' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc3882 * Linear Technology LTC3883 Prefix: 'ltc3883' Addresses scanned: - Datasheet: http://www.linear.com/product/ltc3883 + * Linear Technology LTC3886 + Prefix: 'ltc3886' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc3886 + * Linear Technology LTC3887 + Prefix: 'ltc3887' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltc3887 + * Linear Technology LTM2987 + Prefix: 'ltm2987' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltm2987 + * Linear Technology LTM4675 + Prefix: 'ltm4675' + Addresses scanned: - + Datasheet: http://www.linear.com/product/ltm4675 * Linear Technology LTM4676 Prefix: 'ltm4676' Addresses scanned: - @@ -34,11 +62,20 @@ Author: Guenter Roeck <linux@roeck-us.net> Description ----------- -LTC2974 is a quad digital power supply manager. LTC2978 is an octal power supply -monitor. LTC2977 is a pin compatible replacement for LTC2978. LTC3880 is a dual -output poly-phase step-down DC/DC controller. LTC3883 is a single phase -step-down DC/DC controller. LTM4676 is a dual 13A or single 26A uModule -regulator. +LTC2974 and LTC2975 are quad digital power supply managers. +LTC2978 is an octal power supply monitor. +LTC2977 is a pin compatible replacement for LTC2978. +LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977 +in a single die. The chip is instantiated and reported as two separate chips +on two different I2C bus addresses. +LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down +DC/DC controllers. +LTC3883 is a single phase step-down DC/DC controller. +LTM2987 is a 16-channel Power System Manager with two LTC2977 plus +additional components on a single die. The chip is instantiated and reported +as two separate chips on two different I2C bus addresses. +LTM4675 is a dual 9A or single 18A μModule regulator +LTM4676 is a dual 13A or single 26A uModule regulator. Usage Notes @@ -61,26 +98,32 @@ in1_label "vin" in1_input Measured input voltage. in1_min Minimum input voltage. in1_max Maximum input voltage. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_lcrit Critical minimum input voltage. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_crit Critical maximum input voltage. in1_min_alarm Input voltage low alarm. in1_max_alarm Input voltage high alarm. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_lcrit_alarm Input voltage critical low alarm. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_crit_alarm Input voltage critical high alarm. in1_lowest Lowest input voltage. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTM2987 only. in1_highest Highest input voltage. in1_reset_history Reset input voltage history. in[N]_label "vout[1-8]". - LTC2974: N=2-5 - LTC2977: N=2-9 + LTC2974, LTC2975: N=2-5 + LTC2977, LTC2980, LTM2987: N=2-9 LTC2978: N=2-9 - LTC3880, LTM4676: N=2-3 + LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: + N=2-3 LTC3883: N=2 in[N]_input Measured output voltage. in[N]_min Minimum output voltage. @@ -91,67 +134,78 @@ in[N]_min_alarm Output voltage low alarm. in[N]_max_alarm Output voltage high alarm. in[N]_lcrit_alarm Output voltage critical low alarm. in[N]_crit_alarm Output voltage critical high alarm. -in[N]_lowest Lowest output voltage. LTC2974 and LTC2978 only. +in[N]_lowest Lowest output voltage. LTC2974, LTC2975, + and LTC2978 only. in[N]_highest Highest output voltage. in[N]_reset_history Reset output voltage history. temp[N]_input Measured temperature. - On LTC2974, temp[1-4] report external temperatures, - and temp5 reports the chip temperature. - On LTC2977 and LTC2978, only one temperature measurement - is supported and reports the chip temperature. - On LTC3880 and LTM4676, temp1 and temp2 report external - temperatures, and temp3 reports the chip temperature. + On LTC2974 and LTC2975, temp[1-4] report external + temperatures, and temp5 reports the chip temperature. + On LTC2977, LTC2980, LTC2978, and LTM2987, only one + temperature measurement is supported and reports + the chip temperature. + On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676, + temp1 and temp2 report external temperatures, and temp3 + reports the chip temperature. On LTC3883, temp1 reports an external temperature, and temp2 reports the chip temperature. -temp[N]_min Mimimum temperature. LTC2974, LCT2977, and LTC2978 only. +temp[N]_min Mimimum temperature. LTC2974, LCT2977, LTM2980, LTC2978, + and LTM2987 only. temp[N]_max Maximum temperature. temp[N]_lcrit Critical low temperature. temp[N]_crit Critical high temperature. temp[N]_min_alarm Temperature low alarm. - LTC2974, LTC2977, and LTC2978 only. + LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and + LTM2987 only. temp[N]_max_alarm Temperature high alarm. temp[N]_lcrit_alarm Temperature critical low alarm. temp[N]_crit_alarm Temperature critical high alarm. temp[N]_lowest Lowest measured temperature. - LTC2974, LTC2977, and LTC2978 only. - Not supported for chip temperature sensor on LTC2974. + LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and + LTM2987 only. + Not supported for chip temperature sensor on LTC2974 and + LTC2975. temp[N]_highest Highest measured temperature. Not supported for chip - temperature sensor on LTC2974. + temperature sensor on LTC2974 and LTC2975. temp[N]_reset_history Reset temperature history. Not supported for chip - temperature sensor on LTC2974. + temperature sensor on LTC2974 and LTC2975. -power1_label "pin". LTC3883 only. +power1_label "pin". LTC3883 and LTC3886 only. power1_input Measured input power. power[N]_label "pout[1-4]". - LTC2974: N=1-4 - LTC2977: Not supported + LTC2974, LTC2975: N=1-4 + LTC2977, LTC2980, LTM2987: Not supported LTC2978: Not supported - LTC3880, LTM4676: N=1-2 + LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: + N=1-2 LTC3883: N=2 power[N]_input Measured output power. -curr1_label "iin". LTC3880, LTC3883, and LTM4676 only. +curr1_label "iin". LTC3880, LTC3883, LTC3886, LTC3887, LTM4675, + and LTM4676 only. curr1_input Measured input current. curr1_max Maximum input current. curr1_max_alarm Input current high alarm. -curr1_highest Highest input current. LTC3883 only. -curr1_reset_history Reset input current history. LTC3883 only. +curr1_highest Highest input current. LTC3883 and LTC3886 only. +curr1_reset_history Reset input current history. LTC3883 and LTC3886 only. curr[N]_label "iout[1-4]". - LTC2974: N=1-4 - LTC2977: not supported + LTC2974, LTC2975: N=1-4 + LTC2977, LTC2980, LTM2987: not supported LTC2978: not supported - LTC3880, LTM4676: N=2-3 + LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: + N=2-3 LTC3883: N=2 curr[N]_input Measured output current. curr[N]_max Maximum output current. curr[N]_crit Critical high output current. -curr[N]_lcrit Critical low output current. LTC2974 only. +curr[N]_lcrit Critical low output current. LTC2974 and LTC2975 only. curr[N]_max_alarm Output current high alarm. curr[N]_crit_alarm Output current critical high alarm. -curr[N]_lcrit_alarm Output current critical low alarm. LTC2974 only. -curr[N]_lowest Lowest output current. LTC2974 only. +curr[N]_lcrit_alarm Output current critical low alarm. + LTC2974 and LTC2975 only. +curr[N]_lowest Lowest output current. LTC2974 and LTC2975 only. curr[N]_highest Highest output current. curr[N]_reset_history Reset output current history. diff --git a/Documentation/hwmon/max20751 b/Documentation/hwmon/max20751 new file mode 100644 index 000000000000..f9fa25ebb521 --- /dev/null +++ b/Documentation/hwmon/max20751 @@ -0,0 +1,77 @@ +Kernel driver max20751 +====================== + +Supported chips: + * maxim MAX20751 + Prefix: 'max20751' + Addresses scanned: - + Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX20751.pdf + Application note: http://pdfserv.maximintegrated.com/en/an/AN5941.pdf + +Author: Guenter Roeck <linux@roeck-us.net> + + +Description +----------- + +This driver supports MAX20751 Multiphase Master with PMBus Interface +and Internal Buck Converter. + +The driver is a client driver to the core PMBus driver. +Please see Documentation/hwmon/pmbus for details on PMBus client drivers. + + +Usage Notes +----------- + +This driver does not auto-detect devices. You will have to instantiate the +devices explicitly. Please see Documentation/i2c/instantiating-devices for +details. + + +Platform data support +--------------------- + +The driver supports standard PMBus driver platform data. + + +Sysfs entries +------------- + +The following attributes are supported. + +in1_label "vin1" +in1_input Measured voltage. +in1_min Minimum input voltage. +in1_max Maximum input voltage. +in1_lcrit Critical minimum input voltage. +in1_crit Critical maximum input voltage. +in1_min_alarm Input voltage low alarm. +in1_lcrit_alarm Input voltage critical low alarm. +in1_min_alarm Input voltage low alarm. +in1_max_alarm Input voltage high alarm. + +in2_label "vout1" +in2_input Measured voltage. +in2_min Minimum output voltage. +in2_max Maximum output voltage. +in2_lcrit Critical minimum output voltage. +in2_crit Critical maximum output voltage. +in2_min_alarm Output voltage low alarm. +in2_lcrit_alarm Output voltage critical low alarm. +in2_min_alarm Output voltage low alarm. +in2_max_alarm Output voltage high alarm. + +curr1_input Measured output current. +curr1_label "iout1" +curr1_max Maximum output current. +curr1_alarm Current high alarm. + +temp1_input Measured temperature. +temp1_max Maximum temperature. +temp1_crit Critical high temperature. +temp1_max_alarm Chip temperature high alarm. +temp1_crit_alarm Chip temperature critical high alarm. + +power1_input Output power. +power1_label "pout1" diff --git a/Documentation/hwmon/nct7802 b/Documentation/hwmon/nct7802 index 2e00f5e344bc..5438deb6be02 100644 --- a/Documentation/hwmon/nct7802 +++ b/Documentation/hwmon/nct7802 @@ -17,8 +17,7 @@ This driver implements support for the Nuvoton NCT7802Y hardware monitoring chip. NCT7802Y supports 6 temperature sensors, 5 voltage sensors, and 3 fan speed sensors. -The chip also supports intelligent fan speed control. This functionality is -not currently supported by the driver. +Smart Fan™ speed control is available via pwmX_auto_point attributes. Tested Boards and BIOS Versions ------------------------------- diff --git a/Documentation/hwmon/pmbus b/Documentation/hwmon/pmbus index a3557da8f5b4..b397675e876d 100644 --- a/Documentation/hwmon/pmbus +++ b/Documentation/hwmon/pmbus @@ -23,11 +23,15 @@ Supported chips: http://www.lineagepower.com/oem/pdf/PDT012A0X.pdf http://www.lineagepower.com/oem/pdf/UDT020A0X.pdf http://www.lineagepower.com/oem/pdf/MDT040A0X.pdf - * Texas Instruments TPS40400 - Prefixes: 'tps40400' + * Texas Instruments TPS40400, TPS544B20, TPS544B25, TPS544C20, TPS544C25 + Prefixes: 'tps40400', 'tps544b20', 'tps544b25', 'tps544c20', 'tps544c25' Addresses scanned: - Datasheets: http://www.ti.com/lit/gpn/tps40400 + http://www.ti.com/lit/gpn/tps544b20 + http://www.ti.com/lit/gpn/tps544b25 + http://www.ti.com/lit/gpn/tps544c20 + http://www.ti.com/lit/gpn/tps544c25 * Generic PMBus devices Prefix: 'pmbus' Addresses scanned: - diff --git a/MAINTAINERS b/MAINTAINERS index d53955790f7e..111e42dedeb8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6549,6 +6549,13 @@ S: Maintained F: Documentation/hwmon/max16065 F: drivers/hwmon/max16065.c +MAX20751 HARDWARE MONITOR DRIVER +M: Guenter Roeck <linux@roeck-us.net> +L: lm-sensors@lm-sensors.org +S: Maintained +F: Documentation/hwmon/max20751 +F: drivers/hwmon/max20751.c + MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER M: "Hans J. Koch" <hjk@hansjkoch.de> L: lm-sensors@lm-sensors.org diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 7c65b7334738..500b262b89bb 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -609,8 +609,8 @@ config SENSORS_IT87 depends on !PPC select HWMON_VID help - If you say yes here you get support for ITE IT8705F, IT8712F, - IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, + If you say yes here you get support for ITE IT8705F, IT8712F, IT8716F, + IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8732F, IT8758E, IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, IT8603E, IT8620E, and IT8623E sensor chips, and the SiS950 clone. diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 2e5c6f46e442..cb28e4b4fb10 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -51,6 +51,7 @@ #define SIO_F71808A_ID 0x1001 /* Chipset ID */ #define SIO_F71858_ID 0x0507 /* Chipset ID */ #define SIO_F71862_ID 0x0601 /* Chipset ID */ +#define SIO_F71868_ID 0x1106 /* Chipset ID */ #define SIO_F71869_ID 0x0814 /* Chipset ID */ #define SIO_F71869A_ID 0x1007 /* Chipset ID */ #define SIO_F71882_ID 0x0541 /* Chipset ID */ @@ -58,7 +59,9 @@ #define SIO_F71889E_ID 0x0909 /* Chipset ID */ #define SIO_F71889A_ID 0x1005 /* Chipset ID */ #define SIO_F8000_ID 0x0581 /* Chipset ID */ +#define SIO_F81768D_ID 0x1210 /* Chipset ID */ #define SIO_F81865_ID 0x0704 /* Chipset ID */ +#define SIO_F81866_ID 0x1010 /* Chipset ID */ #define REGION_LENGTH 8 #define ADDR_REG_OFFSET 5 @@ -69,6 +72,10 @@ #define F71882FG_REG_IN(nr) (0x20 + (nr)) #define F71882FG_REG_IN1_HIGH 0x32 /* f7188x only */ +#define F81866_REG_IN_STATUS 0x16 /* F81866 only */ +#define F81866_REG_IN_BEEP 0x17 /* F81866 only */ +#define F81866_REG_IN1_HIGH 0x3a /* F81866 only */ + #define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr))) #define F71882FG_REG_FAN_TARGET(nr) (0xA2 + (16 * (nr))) #define F71882FG_REG_FAN_FULL_SPEED(nr) (0xA4 + (16 * (nr))) @@ -101,7 +108,7 @@ #define F71882FG_REG_START 0x01 -#define F71882FG_MAX_INS 9 +#define F71882FG_MAX_INS 11 #define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */ @@ -109,14 +116,16 @@ static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); -enum chips { f71808e, f71808a, f71858fg, f71862fg, f71869, f71869a, f71882fg, - f71889fg, f71889ed, f71889a, f8000, f81865f }; +enum chips { f71808e, f71808a, f71858fg, f71862fg, f71868a, f71869, f71869a, + f71882fg, f71889fg, f71889ed, f71889a, f8000, f81768d, f81865f, + f81866a}; static const char *const f71882fg_names[] = { "f71808e", "f71808a", "f71858fg", "f71862fg", + "f71868a", "f71869", /* Both f71869f and f71869e, reg. compatible and same id */ "f71869a", "f71882fg", @@ -124,22 +133,27 @@ static const char *const f71882fg_names[] = { "f71889ed", "f71889a", "f8000", + "f81768d", "f81865f", + "f81866a", }; static const char f71882fg_has_in[][F71882FG_MAX_INS] = { - [f71808e] = { 1, 1, 1, 1, 1, 1, 0, 1, 1 }, - [f71808a] = { 1, 1, 1, 1, 0, 0, 0, 1, 1 }, - [f71858fg] = { 1, 1, 1, 0, 0, 0, 0, 0, 0 }, - [f71862fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71869] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71869a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71882fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71889fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71889ed] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f71889a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1 }, - [f8000] = { 1, 1, 1, 0, 0, 0, 0, 0, 0 }, - [f81865f] = { 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71808e] = { 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0 }, + [f71808a] = { 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0 }, + [f71858fg] = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, + [f71862fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71868a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 }, + [f71869] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71869a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71882fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71889fg] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71889ed] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f71889a] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 }, + [f8000] = { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, + [f81768d] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }, + [f81865f] = { 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0 }, + [f81866a] = { 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 }, }; static const char f71882fg_has_in1_alarm[] = { @@ -147,6 +161,7 @@ static const char f71882fg_has_in1_alarm[] = { [f71808a] = 0, [f71858fg] = 0, [f71862fg] = 0, + [f71868a] = 0, [f71869] = 0, [f71869a] = 0, [f71882fg] = 1, @@ -154,7 +169,9 @@ static const char f71882fg_has_in1_alarm[] = { [f71889ed] = 1, [f71889a] = 1, [f8000] = 0, + [f81768d] = 1, [f81865f] = 1, + [f81866a] = 1, }; static const char f71882fg_fan_has_beep[] = { @@ -162,6 +179,7 @@ static const char f71882fg_fan_has_beep[] = { [f71808a] = 0, [f71858fg] = 0, [f71862fg] = 1, + [f71868a] = 1, [f71869] = 1, [f71869a] = 1, [f71882fg] = 1, @@ -169,7 +187,9 @@ static const char f71882fg_fan_has_beep[] = { [f71889ed] = 1, [f71889a] = 1, [f8000] = 0, + [f81768d] = 1, [f81865f] = 1, + [f81866a] = 1, }; static const char f71882fg_nr_fans[] = { @@ -177,6 +197,7 @@ static const char f71882fg_nr_fans[] = { [f71808a] = 2, /* +1 fan which is monitor + simple pwm only */ [f71858fg] = 3, [f71862fg] = 3, + [f71868a] = 3, [f71869] = 3, [f71869a] = 3, [f71882fg] = 4, @@ -184,7 +205,9 @@ static const char f71882fg_nr_fans[] = { [f71889ed] = 3, [f71889a] = 3, [f8000] = 3, /* +1 fan which is monitor only */ + [f81768d] = 3, [f81865f] = 2, + [f81866a] = 3, }; static const char f71882fg_temp_has_beep[] = { @@ -192,6 +215,7 @@ static const char f71882fg_temp_has_beep[] = { [f71808a] = 1, [f71858fg] = 0, [f71862fg] = 1, + [f71868a] = 1, [f71869] = 1, [f71869a] = 1, [f71882fg] = 1, @@ -199,7 +223,9 @@ static const char f71882fg_temp_has_beep[] = { [f71889ed] = 1, [f71889a] = 1, [f8000] = 0, + [f81768d] = 1, [f81865f] = 1, + [f81866a] = 1, }; static const char f71882fg_nr_temps[] = { @@ -207,6 +233,7 @@ static const char f71882fg_nr_temps[] = { [f71808a] = 2, [f71858fg] = 3, [f71862fg] = 3, + [f71868a] = 3, [f71869] = 3, [f71869a] = 3, [f71882fg] = 3, @@ -214,7 +241,9 @@ static const char f71882fg_nr_temps[] = { [f71889ed] = 3, [f71889a] = 3, [f8000] = 3, + [f81768d] = 3, [f81865f] = 2, + [f81866a] = 3, }; static struct platform_device *f71882fg_pdev; @@ -490,6 +519,23 @@ static struct sensor_device_attribute_2 fxxxx_temp_beep_attr[3][2] = { { store_temp_beep, 0, 7), } }; +static struct sensor_device_attribute_2 f81866_temp_beep_attr[3][2] = { { + SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 0), + SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 4), +}, { + SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 1), + SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 5), +}, { + SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 2), + SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep, + store_temp_beep, 0, 6), +} }; + /* * Temp attr for the f8000 * Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max) @@ -531,6 +577,8 @@ static struct sensor_device_attribute_2 fxxxx_in_attr[] = { SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6), SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7), SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8), + SENSOR_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 0, 9), + SENSOR_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 0, 10), }; /* For models with in1 alarm capability */ @@ -1170,10 +1218,21 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) if (time_after(jiffies, data->last_limits + 60 * HZ) || !data->valid) { if (f71882fg_has_in1_alarm[data->type]) { - data->in1_max = - f71882fg_read8(data, F71882FG_REG_IN1_HIGH); - data->in_beep = - f71882fg_read8(data, F71882FG_REG_IN_BEEP); + if (data->type == f81866a) { + data->in1_max = + f71882fg_read8(data, + F81866_REG_IN1_HIGH); + data->in_beep = + f71882fg_read8(data, + F81866_REG_IN_BEEP); + } else { + data->in1_max = + f71882fg_read8(data, + F71882FG_REG_IN1_HIGH); + data->in_beep = + f71882fg_read8(data, + F71882FG_REG_IN_BEEP); + } } /* Get High & boundary temps*/ @@ -1297,9 +1356,16 @@ static struct f71882fg_data *f71882fg_update_device(struct device *dev) data->fan[3] = f71882fg_read16(data, F71882FG_REG_FAN(3)); - if (f71882fg_has_in1_alarm[data->type]) - data->in_status = f71882fg_read8(data, + if (f71882fg_has_in1_alarm[data->type]) { + if (data->type == f81866a) + data->in_status = f71882fg_read8(data, + F81866_REG_IN_STATUS); + + else + data->in_status = f71882fg_read8(data, F71882FG_REG_IN_STATUS); + } + for (nr = 0; nr < F71882FG_MAX_INS; nr++) if (f71882fg_has_in[data->type][nr]) data->in[nr] = f71882fg_read8(data, @@ -1440,7 +1506,10 @@ static ssize_t store_in_max(struct device *dev, struct device_attribute val = clamp_val(val, 0, 255); mutex_lock(&data->update_lock); - f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val); + if (data->type == f81866a) + f71882fg_write8(data, F81866_REG_IN1_HIGH, val); + else + f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val); data->in1_max = val; mutex_unlock(&data->update_lock); @@ -1471,13 +1540,20 @@ static ssize_t store_in_beep(struct device *dev, struct device_attribute return err; mutex_lock(&data->update_lock); - data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP); + if (data->type == f81866a) + data->in_beep = f71882fg_read8(data, F81866_REG_IN_BEEP); + else + data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP); + if (val) data->in_beep |= 1 << nr; else data->in_beep &= ~(1 << nr); - f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep); + if (data->type == f81866a) + f71882fg_write8(data, F81866_REG_IN_BEEP, data->in_beep); + else + f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep); mutex_unlock(&data->update_lock); return count; @@ -2270,6 +2346,7 @@ static int f71882fg_probe(struct platform_device *pdev) int nr_fans = f71882fg_nr_fans[sio_data->type]; int nr_temps = f71882fg_nr_temps[sio_data->type]; int err, i; + int size; u8 start_reg, reg; data = devm_kzalloc(&pdev->dev, sizeof(struct f71882fg_data), @@ -2280,7 +2357,8 @@ static int f71882fg_probe(struct platform_device *pdev) data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; data->type = sio_data->type; data->temp_start = - (data->type == f71858fg || data->type == f8000) ? 0 : 1; + (data->type == f71858fg || data->type == f8000 || + data->type == f81866a) ? 0 : 1; mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); @@ -2322,6 +2400,11 @@ static int f71882fg_probe(struct platform_device *pdev) f8000_temp_attr, ARRAY_SIZE(f8000_temp_attr)); break; + case f81866a: + err = f71882fg_create_sysfs_files(pdev, + f71858fg_temp_attr, + ARRAY_SIZE(f71858fg_temp_attr)); + break; default: err = f71882fg_create_sysfs_files(pdev, &fxxxx_temp_attr[0][0], @@ -2331,10 +2414,18 @@ static int f71882fg_probe(struct platform_device *pdev) goto exit_unregister_sysfs; if (f71882fg_temp_has_beep[data->type]) { - err = f71882fg_create_sysfs_files(pdev, - &fxxxx_temp_beep_attr[0][0], - ARRAY_SIZE(fxxxx_temp_beep_attr[0]) - * nr_temps); + if (data->type == f81866a) { + size = ARRAY_SIZE(f81866_temp_beep_attr[0]); + err = f71882fg_create_sysfs_files(pdev, + &f81866_temp_beep_attr[0][0], + size * nr_temps); + + } else { + size = ARRAY_SIZE(fxxxx_temp_beep_attr[0]); + err = f71882fg_create_sysfs_files(pdev, + &fxxxx_temp_beep_attr[0][0], + size * nr_temps); + } if (err) goto exit_unregister_sysfs; } @@ -2451,15 +2542,27 @@ static int f71882fg_remove(struct platform_device *pdev) f8000_temp_attr, ARRAY_SIZE(f8000_temp_attr)); break; + case f81866a: + f71882fg_remove_sysfs_files(pdev, + f71858fg_temp_attr, + ARRAY_SIZE(f71858fg_temp_attr)); + break; default: f71882fg_remove_sysfs_files(pdev, &fxxxx_temp_attr[0][0], ARRAY_SIZE(fxxxx_temp_attr[0]) * nr_temps); } if (f71882fg_temp_has_beep[data->type]) { - f71882fg_remove_sysfs_files(pdev, - &fxxxx_temp_beep_attr[0][0], - ARRAY_SIZE(fxxxx_temp_beep_attr[0]) * nr_temps); + if (data->type == f81866a) + f71882fg_remove_sysfs_files(pdev, + &f81866_temp_beep_attr[0][0], + ARRAY_SIZE(f81866_temp_beep_attr[0]) + * nr_temps); + else + f71882fg_remove_sysfs_files(pdev, + &fxxxx_temp_beep_attr[0][0], + ARRAY_SIZE(fxxxx_temp_beep_attr[0]) + * nr_temps); } for (i = 0; i < F71882FG_MAX_INS; i++) { @@ -2551,6 +2654,9 @@ static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data) case SIO_F71862_ID: sio_data->type = f71862fg; break; + case SIO_F71868_ID: + sio_data->type = f71868a; + break; case SIO_F71869_ID: sio_data->type = f71869; break; @@ -2572,9 +2678,15 @@ static int __init f71882fg_find(int sioaddr, struct f71882fg_sio_data *sio_data) case SIO_F8000_ID: sio_data->type = f8000; break; + case SIO_F81768D_ID: + sio_data->type = f81768d; + break; case SIO_F81865_ID: sio_data->type = f81865f; break; + case SIO_F81866_ID: + sio_data->type = f81866a; + break; default: pr_info("Unsupported Fintek device: %04x\n", (unsigned int)devid); diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index 3057dfc7e3bc..e80ee23b62d3 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -46,6 +46,7 @@ struct fam15h_power_data { unsigned int tdp_to_watts; unsigned int base_tdp; unsigned int processor_pwr_watts; + unsigned int cpu_pwr_sample_ratio; }; static ssize_t show_power(struct device *dev, @@ -59,8 +60,19 @@ static ssize_t show_power(struct device *dev, pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5), REG_TDP_RUNNING_AVERAGE, &val); - running_avg_capture = (val >> 4) & 0x3fffff; - running_avg_capture = sign_extend32(running_avg_capture, 21); + + /* + * On Carrizo and later platforms, TdpRunAvgAccCap bit field + * is extended to 4:31 from 4:25. + */ + if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model >= 0x60) { + running_avg_capture = val >> 4; + running_avg_capture = sign_extend32(running_avg_capture, 27); + } else { + running_avg_capture = (val >> 4) & 0x3fffff; + running_avg_capture = sign_extend32(running_avg_capture, 21); + } + running_avg_range = (val & 0xf) + 1; pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5), @@ -117,7 +129,7 @@ static const struct attribute_group fam15h_power_group = { }; __ATTRIBUTE_GROUPS(fam15h_power); -static bool fam15h_power_is_internal_node0(struct pci_dev *f4) +static bool should_load_on_this_node(struct pci_dev *f4) { u32 val; @@ -177,7 +189,7 @@ static int fam15h_power_resume(struct pci_dev *pdev) static void fam15h_power_init_data(struct pci_dev *f4, struct fam15h_power_data *data) { - u32 val; + u32 val, eax, ebx, ecx, edx; u64 tmp; pci_read_config_dword(f4, REG_PROCESSOR_TDP, &val); @@ -198,6 +210,19 @@ static void fam15h_power_init_data(struct pci_dev *f4, /* convert to microWatt */ data->processor_pwr_watts = (tmp * 15625) >> 10; + + cpuid(0x80000007, &eax, &ebx, &ecx, &edx); + + /* CPUID Fn8000_0007:EDX[12] indicates to support accumulated power */ + if (!(edx & BIT(12))) + return; + + /* + * determine the ratio of the compute unit power accumulator + * sample period to the PTSC counter period by executing CPUID + * Fn8000_0007:ECX + */ + data->cpu_pwr_sample_ratio = ecx; } static int fam15h_power_probe(struct pci_dev *pdev, @@ -214,7 +239,7 @@ static int fam15h_power_probe(struct pci_dev *pdev, */ tweak_runavg_range(pdev); - if (!fam15h_power_is_internal_node0(pdev)) + if (!should_load_on_this_node(pdev)) return -ENODEV; data = devm_kzalloc(dev, sizeof(struct fam15h_power_data), GFP_KERNEL); @@ -233,6 +258,7 @@ static int fam15h_power_probe(struct pci_dev *pdev, 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_15H_M30H_NB_F4) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F4) }, {} diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c index 85d106fe3ce8..b96a2a9e4df7 100644 --- a/drivers/hwmon/g762.c +++ b/drivers/hwmon/g762.c @@ -1113,7 +1113,6 @@ static int g762_remove(struct i2c_client *client) static struct i2c_driver g762_driver = { .driver = { .name = DRVNAME, - .owner = THIS_MODULE, .of_match_table = of_match_ptr(g762_dt_match), }, .probe = g762_probe, diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index d0ee556e8ce0..1896e26df634 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -21,6 +21,7 @@ * IT8721F Super I/O chip w/LPC interface * IT8726F Super I/O chip w/LPC interface * IT8728F Super I/O chip w/LPC interface + * IT8732F Super I/O chip w/LPC interface * IT8758E Super I/O chip w/LPC interface * IT8771E Super I/O chip w/LPC interface * IT8772E Super I/O chip w/LPC interface @@ -69,8 +70,9 @@ #define DRVNAME "it87" -enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771, - it8772, it8781, it8782, it8783, it8786, it8790, it8603, it8620 }; +enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732, + it8771, it8772, it8781, it8782, it8783, it8786, it8790, it8603, + it8620 }; static unsigned short force_id; module_param(force_id, ushort, 0); @@ -148,6 +150,7 @@ static inline void superio_exit(void) #define IT8721F_DEVID 0x8721 #define IT8726F_DEVID 0x8726 #define IT8728F_DEVID 0x8728 +#define IT8732F_DEVID 0x8732 #define IT8771E_DEVID 0x8771 #define IT8772E_DEVID 0x8772 #define IT8781F_DEVID 0x8781 @@ -265,6 +268,7 @@ struct it87_devices { #define FEAT_VID (1 << 9) /* Set if chip supports VID */ #define FEAT_IN7_INTERNAL (1 << 10) /* Set if in7 is internal */ #define FEAT_SIX_FANS (1 << 11) /* Supports six fans */ +#define FEAT_10_9MV_ADC (1 << 12) static const struct it87_devices it87_devices[] = { [it87] = { @@ -315,6 +319,15 @@ static const struct it87_devices it87_devices[] = { | FEAT_IN7_INTERNAL, .peci_mask = 0x07, }, + [it8732] = { + .name = "it8732", + .suffix = "F", + .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS + | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI + | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL, + .peci_mask = 0x07, + .old_peci_mask = 0x02, /* Actually reports PCH */ + }, [it8771] = { .name = "it8771", .suffix = "E", @@ -391,6 +404,7 @@ static const struct it87_devices it87_devices[] = { #define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS) #define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC) +#define has_10_9mv_adc(data) ((data)->features & FEAT_10_9MV_ADC) #define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM) #define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM) #define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET) @@ -475,7 +489,14 @@ struct it87_data { static int adc_lsb(const struct it87_data *data, int nr) { - int lsb = has_12mv_adc(data) ? 12 : 16; + int lsb; + + if (has_12mv_adc(data)) + lsb = 120; + else if (has_10_9mv_adc(data)) + lsb = 109; + else + lsb = 160; if (data->in_scaled & (1 << nr)) lsb <<= 1; return lsb; @@ -483,13 +504,13 @@ static int adc_lsb(const struct it87_data *data, int nr) static u8 in_to_reg(const struct it87_data *data, int nr, long val) { - val = DIV_ROUND_CLOSEST(val, adc_lsb(data, nr)); + val = DIV_ROUND_CLOSEST(val * 10, adc_lsb(data, nr)); return clamp_val(val, 0, 255); } static int in_from_reg(const struct it87_data *data, int nr, int val) { - return val * adc_lsb(data, nr); + return DIV_ROUND_CLOSEST(val * adc_lsb(data, nr), 10); } static inline u8 FAN_TO_REG(long rpm, int div) @@ -1515,9 +1536,14 @@ static ssize_t show_label(struct device *dev, struct device_attribute *attr, }; struct it87_data *data = dev_get_drvdata(dev); int nr = to_sensor_dev_attr(attr)->index; + const char *label; - return sprintf(buf, "%s\n", has_12mv_adc(data) ? labels_it8721[nr] - : labels[nr]); + if (has_12mv_adc(data) || has_10_9mv_adc(data)) + label = labels_it8721[nr]; + else + label = labels[nr]; + + return sprintf(buf, "%s\n", label); } static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0); static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1); @@ -1853,6 +1879,9 @@ static int __init it87_find(unsigned short *address, case IT8728F_DEVID: sio_data->type = it8728; break; + case IT8732F_DEVID: + sio_data->type = it8732; + break; case IT8771E_DEVID: sio_data->type = it8771; break; diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index 97204dce162d..9296e9daf774 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -37,6 +37,7 @@ #include <linux/mod_devicetable.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #define DRVNAME "lm70" @@ -130,11 +131,41 @@ ATTRIBUTE_GROUPS(lm70); /*----------------------------------------------------------------------*/ +#ifdef CONFIG_OF +static const struct of_device_id lm70_of_ids[] = { + { + .compatible = "ti,lm70", + .data = (void *) LM70_CHIP_LM70, + }, + { + .compatible = "ti,tmp121", + .data = (void *) LM70_CHIP_TMP121, + }, + { + .compatible = "ti,lm71", + .data = (void *) LM70_CHIP_LM71, + }, + { + .compatible = "ti,lm74", + .data = (void *) LM70_CHIP_LM74, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, lm70_of_ids); +#endif + static int lm70_probe(struct spi_device *spi) { - int chip = spi_get_device_id(spi)->driver_data; + const struct of_device_id *match; struct device *hwmon_dev; struct lm70 *p_lm70; + int chip; + + match = of_match_device(lm70_of_ids, &spi->dev); + if (match) + chip = (int)(uintptr_t)match->data; + else + chip = spi_get_device_id(spi)->driver_data; /* signaling is SPI_MODE_0 */ if (spi->mode & (SPI_CPOL | SPI_CPHA)) @@ -169,6 +200,7 @@ static struct spi_driver lm70_driver = { .driver = { .name = "lm70", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(lm70_of_ids), }, .id_table = lm70_ids, .probe = lm70_probe, diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index fbfc02bb2cfa..3ce33d244cc0 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -49,10 +49,13 @@ static const u8 REG_VOLTAGE_LIMIT_MSB_SHIFT[2][5] = { #define REG_VOLTAGE_LOW 0x0f #define REG_FANCOUNT_LOW 0x13 #define REG_START 0x21 -#define REG_MODE 0x22 +#define REG_MODE 0x22 /* 7.2.32 Mode Selection Register */ #define REG_PECI_ENABLE 0x23 #define REG_FAN_ENABLE 0x24 #define REG_VMON_ENABLE 0x25 +#define REG_PWM(x) (0x60 + (x)) +#define REG_SMARTFAN_EN(x) (0x64 + (x) / 2) +#define SMARTFAN_EN_SHIFT(x) ((x) % 2 * 4) #define REG_VENDOR_ID 0xfd #define REG_CHIP_ID 0xfe #define REG_VERSION_ID 0xff @@ -66,6 +69,129 @@ struct nct7802_data { struct mutex access_lock; /* for multi-byte read and write operations */ }; +static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct nct7802_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + unsigned int mode; + int ret; + + ret = regmap_read(data->regmap, REG_MODE, &mode); + if (ret < 0) + return ret; + + return sprintf(buf, "%u\n", (mode >> (2 * sattr->index) & 3) + 2); +} + +static ssize_t store_temp_type(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct7802_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + unsigned int type; + int err; + + err = kstrtouint(buf, 0, &type); + if (err < 0) + return err; + if (sattr->index == 2 && type != 4) /* RD3 */ + return -EINVAL; + if (type < 3 || type > 4) + return -EINVAL; + err = regmap_update_bits(data->regmap, REG_MODE, + 3 << 2 * sattr->index, (type - 2) << 2 * sattr->index); + return err ? : count; +} + +static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct7802_data *data = dev_get_drvdata(dev); + unsigned int regval; + int ret; + + if (sattr->index > 1) + return sprintf(buf, "1\n"); + + ret = regmap_read(data->regmap, 0x5E, ®val); + if (ret < 0) + return ret; + + return sprintf(buf, "%u\n", !(regval & (1 << sattr->index))); +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct nct7802_data *data = dev_get_drvdata(dev); + unsigned int val; + int ret; + + if (!attr->index) + return sprintf(buf, "255\n"); + + ret = regmap_read(data->regmap, attr->index, &val); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", val); +} + +static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct nct7802_data *data = dev_get_drvdata(dev); + int err; + u8 val; + + err = kstrtou8(buf, 0, &val); + if (err < 0) + return err; + + err = regmap_write(data->regmap, attr->index, val); + return err ? : count; +} + +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct nct7802_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + unsigned int reg, enabled; + int ret; + + ret = regmap_read(data->regmap, REG_SMARTFAN_EN(sattr->index), ®); + if (ret < 0) + return ret; + enabled = reg >> SMARTFAN_EN_SHIFT(sattr->index) & 1; + return sprintf(buf, "%u\n", enabled + 1); +} + +static ssize_t store_pwm_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct nct7802_data *data = dev_get_drvdata(dev); + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + u8 val; + int ret; + + ret = kstrtou8(buf, 0, &val); + if (ret < 0) + return ret; + if (val < 1 || val > 2) + return -EINVAL; + ret = regmap_update_bits(data->regmap, REG_SMARTFAN_EN(sattr->index), + 1 << SMARTFAN_EN_SHIFT(sattr->index), + (val - 1) << SMARTFAN_EN_SHIFT(sattr->index)); + return ret ? : count; +} + static int nct7802_read_temp(struct nct7802_data *data, u8 reg_temp, u8 reg_temp_low, int *temp) { @@ -377,6 +503,8 @@ store_beep(struct device *dev, struct device_attribute *attr, const char *buf, return err ? : count; } +static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, + show_temp_type, store_temp_type, 0); static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0x01, REG_TEMP_LSB); static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, @@ -386,6 +514,8 @@ static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, static SENSOR_DEVICE_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, 0x3a, 0); +static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, + show_temp_type, store_temp_type, 1); static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0x02, REG_TEMP_LSB); static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, @@ -395,6 +525,8 @@ static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, static SENSOR_DEVICE_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, 0x3b, 0); +static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, + show_temp_type, store_temp_type, 2); static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0x03, REG_TEMP_LSB); static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, @@ -475,6 +607,7 @@ static SENSOR_DEVICE_ATTR_2(temp6_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 0x5c, 5); static struct attribute *nct7802_temp_attrs[] = { + &sensor_dev_attr_temp1_type.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_min.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, @@ -485,7 +618,8 @@ static struct attribute *nct7802_temp_attrs[] = { &sensor_dev_attr_temp1_fault.dev_attr.attr, &sensor_dev_attr_temp1_beep.dev_attr.attr, - &sensor_dev_attr_temp2_input.dev_attr.attr, /* 9 */ + &sensor_dev_attr_temp2_type.dev_attr.attr, /* 10 */ + &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, @@ -495,7 +629,8 @@ static struct attribute *nct7802_temp_attrs[] = { &sensor_dev_attr_temp2_fault.dev_attr.attr, &sensor_dev_attr_temp2_beep.dev_attr.attr, - &sensor_dev_attr_temp3_input.dev_attr.attr, /* 18 */ + &sensor_dev_attr_temp3_type.dev_attr.attr, /* 20 */ + &sensor_dev_attr_temp3_input.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, @@ -505,7 +640,7 @@ static struct attribute *nct7802_temp_attrs[] = { &sensor_dev_attr_temp3_fault.dev_attr.attr, &sensor_dev_attr_temp3_beep.dev_attr.attr, - &sensor_dev_attr_temp4_input.dev_attr.attr, /* 27 */ + &sensor_dev_attr_temp4_input.dev_attr.attr, /* 30 */ &sensor_dev_attr_temp4_min.dev_attr.attr, &sensor_dev_attr_temp4_max.dev_attr.attr, &sensor_dev_attr_temp4_crit.dev_attr.attr, @@ -514,7 +649,7 @@ static struct attribute *nct7802_temp_attrs[] = { &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr, &sensor_dev_attr_temp4_beep.dev_attr.attr, - &sensor_dev_attr_temp5_input.dev_attr.attr, /* 35 */ + &sensor_dev_attr_temp5_input.dev_attr.attr, /* 38 */ &sensor_dev_attr_temp5_min.dev_attr.attr, &sensor_dev_attr_temp5_max.dev_attr.attr, &sensor_dev_attr_temp5_crit.dev_attr.attr, @@ -523,7 +658,7 @@ static struct attribute *nct7802_temp_attrs[] = { &sensor_dev_attr_temp5_crit_alarm.dev_attr.attr, &sensor_dev_attr_temp5_beep.dev_attr.attr, - &sensor_dev_attr_temp6_input.dev_attr.attr, /* 43 */ + &sensor_dev_attr_temp6_input.dev_attr.attr, /* 46 */ &sensor_dev_attr_temp6_beep.dev_attr.attr, NULL @@ -541,25 +676,27 @@ static umode_t nct7802_temp_is_visible(struct kobject *kobj, if (err < 0) return 0; - if (index < 9 && + if (index < 10 && (reg & 03) != 0x01 && (reg & 0x03) != 0x02) /* RD1 */ return 0; - if (index >= 9 && index < 18 && + + if (index >= 10 && index < 20 && (reg & 0x0c) != 0x04 && (reg & 0x0c) != 0x08) /* RD2 */ return 0; - if (index >= 18 && index < 27 && (reg & 0x30) != 0x20) /* RD3 */ + if (index >= 20 && index < 30 && (reg & 0x30) != 0x20) /* RD3 */ return 0; - if (index >= 27 && index < 35) /* local */ + + if (index >= 30 && index < 38) /* local */ return attr->mode; err = regmap_read(data->regmap, REG_PECI_ENABLE, ®); if (err < 0) return 0; - if (index >= 35 && index < 43 && !(reg & 0x01)) /* PECI 0 */ + if (index >= 38 && index < 46 && !(reg & 0x01)) /* PECI 0 */ return 0; - if (index >= 0x43 && (!(reg & 0x02))) /* PECI 1 */ + if (index >= 0x46 && (!(reg & 0x02))) /* PECI 1 */ return 0; return attr->mode; @@ -687,6 +824,27 @@ static SENSOR_DEVICE_ATTR_2(fan3_alarm, S_IRUGO, show_alarm, NULL, 0x1a, 2); static SENSOR_DEVICE_ATTR_2(fan3_beep, S_IRUGO | S_IWUSR, show_beep, store_beep, 0x5b, 2); +/* 7.2.89 Fan Control Output Type */ +static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); +static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1); +static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2); + +/* 7.2.91... Fan Control Output Value */ +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, + REG_PWM(0)); +static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, + REG_PWM(1)); +static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, + REG_PWM(2)); + +/* 7.2.95... Temperature to Fan mapping Relationships Register */ +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + store_pwm_enable, 0); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + store_pwm_enable, 1); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + store_pwm_enable, 2); + static struct attribute *nct7802_fan_attrs[] = { &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, @@ -725,10 +883,142 @@ static struct attribute_group nct7802_fan_group = { .is_visible = nct7802_fan_is_visible, }; +static struct attribute *nct7802_pwm_attrs[] = { + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm1_mode.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_mode.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_mode.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + NULL +}; + +static struct attribute_group nct7802_pwm_group = { + .attrs = nct7802_pwm_attrs, +}; + +/* 7.2.115... 0x80-0x83, 0x84 Temperature (X-axis) transition */ +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x80, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x81, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x82, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x83, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point5_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x84, 0); + +/* 7.2.120... 0x85-0x88 PWM (Y-axis) transition */ +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x85); +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x86); +static SENSOR_DEVICE_ATTR(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x87); +static SENSOR_DEVICE_ATTR(pwm1_auto_point4_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x88); +static SENSOR_DEVICE_ATTR(pwm1_auto_point5_pwm, S_IRUGO, show_pwm, NULL, 0); + +/* 7.2.124 Table 2 X-axis Transition Point 1 Register */ +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x90, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x91, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x92, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x93, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point5_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0x94, 0); + +/* 7.2.129 Table 2 Y-axis Transition Point 1 Register */ +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x95); +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x96); +static SENSOR_DEVICE_ATTR(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x97); +static SENSOR_DEVICE_ATTR(pwm2_auto_point4_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0x98); +static SENSOR_DEVICE_ATTR(pwm2_auto_point5_pwm, S_IRUGO, show_pwm, NULL, 0); + +/* 7.2.133 Table 3 X-axis Transition Point 1 Register */ +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0xA0, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0xA1, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0xA2, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0xA3, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point5_temp, S_IRUGO | S_IWUSR, + show_temp, store_temp, 0xA4, 0); + +/* 7.2.138 Table 3 Y-axis Transition Point 1 Register */ +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0xA5); +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0xA6); +static SENSOR_DEVICE_ATTR(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0xA7); +static SENSOR_DEVICE_ATTR(pwm3_auto_point4_pwm, S_IRUGO | S_IWUSR, + show_pwm, store_pwm, 0xA8); +static SENSOR_DEVICE_ATTR(pwm3_auto_point5_pwm, S_IRUGO, show_pwm, NULL, 0); + +static struct attribute *nct7802_auto_point_attrs[] = { + &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr, + + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr, + + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr, + + NULL +}; + +static struct attribute_group nct7802_auto_point_group = { + .attrs = nct7802_auto_point_attrs, +}; + static const struct attribute_group *nct7802_groups[] = { &nct7802_temp_group, &nct7802_in_group, &nct7802_fan_group, + &nct7802_pwm_group, + &nct7802_auto_point_group, NULL }; @@ -776,7 +1066,8 @@ static int nct7802_detect(struct i2c_client *client, static bool nct7802_regmap_is_volatile(struct device *dev, unsigned int reg) { - return reg != REG_BANK && reg <= 0x20; + return (reg != REG_BANK && reg <= 0x20) || + (reg >= REG_PWM(0) && reg <= REG_PWM(2)); } static const struct regmap_config nct7802_regmap_config = { diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 9f7dbd189c97..df6ebb2b8f0f 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -20,7 +20,8 @@ config SENSORS_PMBUS help If you say yes here you get hardware monitoring support for generic PMBus devices, including but not limited to ADP4000, BMR453, BMR454, - MDT040, NCP4200, NCP4208, PDT003, PDT006, PDT012, UDT020, and TPS40400. + MDT040, NCP4200, NCP4208, PDT003, PDT006, PDT012, TPS40400, TPS544B20, + TPS544B25, TPS544C20, TPS544C25, and UDT020. This driver can also be built as a module. If so, the module will be called pmbus. @@ -30,8 +31,8 @@ config SENSORS_ADM1275 default n help If you say yes here you get hardware monitoring support for Analog - Devices ADM1075, ADM1275, and ADM1276 Hot-Swap Controller and Digital - Power Monitors. + Devices ADM1075, ADM1275, ADM1276, ADM1293, and ADM1294 Hot-Swap + Controller and Digital Power Monitors. This driver can also be built as a module. If so, the module will be called adm1275. @@ -51,7 +52,8 @@ config SENSORS_LTC2978 default n help If you say yes here you get hardware monitoring support for Linear - Technology LTC2974, LTC2977, LTC2978, LTC3880, LTC3883, and LTM4676. + Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880, + LTC3883, LTC3886, LTC3887, LTCM2987, LTM4675, and LTM4676. This driver can also be built as a module. If so, the module will be called ltc2978. @@ -73,6 +75,16 @@ config SENSORS_MAX16064 This driver can also be built as a module. If so, the module will be called max16064. +config SENSORS_MAX20751 + tristate "Maxim MAX20751" + default n + help + If you say yes here you get hardware monitoring support for Maxim + MAX20751. + + This driver can also be built as a module. If so, the module will + be called max20751. + config SENSORS_MAX34440 tristate "Maxim MAX34440 and compatibles" default n diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 1454293e985c..bce046d37f02 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o obj-$(CONFIG_SENSORS_LM25066) += lm25066.o obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o obj-$(CONFIG_SENSORS_MAX16064) += max16064.o +obj-$(CONFIG_SENSORS_MAX20751) += max20751.o obj-$(CONFIG_SENSORS_MAX34440) += max34440.o obj-$(CONFIG_SENSORS_MAX8688) += max8688.o obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o diff --git a/drivers/hwmon/pmbus/adm1275.c b/drivers/hwmon/pmbus/adm1275.c index 60aad9570f01..188af4c89f40 100644 --- a/drivers/hwmon/pmbus/adm1275.c +++ b/drivers/hwmon/pmbus/adm1275.c @@ -21,46 +21,120 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/i2c.h> +#include <linux/bitops.h> #include "pmbus.h" -enum chips { adm1075, adm1275, adm1276 }; +enum chips { adm1075, adm1275, adm1276, adm1293, adm1294 }; + +#define ADM1275_MFR_STATUS_IOUT_WARN2 BIT(0) +#define ADM1293_MFR_STATUS_VAUX_UV_WARN BIT(5) +#define ADM1293_MFR_STATUS_VAUX_OV_WARN BIT(6) #define ADM1275_PEAK_IOUT 0xd0 #define ADM1275_PEAK_VIN 0xd1 #define ADM1275_PEAK_VOUT 0xd2 #define ADM1275_PMON_CONFIG 0xd4 -#define ADM1275_VIN_VOUT_SELECT (1 << 6) -#define ADM1275_VRANGE (1 << 5) -#define ADM1075_IRANGE_50 (1 << 4) -#define ADM1075_IRANGE_25 (1 << 3) -#define ADM1075_IRANGE_MASK ((1 << 3) | (1 << 4)) +#define ADM1275_VIN_VOUT_SELECT BIT(6) +#define ADM1275_VRANGE BIT(5) +#define ADM1075_IRANGE_50 BIT(4) +#define ADM1075_IRANGE_25 BIT(3) +#define ADM1075_IRANGE_MASK (BIT(3) | BIT(4)) + +#define ADM1293_IRANGE_25 0 +#define ADM1293_IRANGE_50 BIT(6) +#define ADM1293_IRANGE_100 BIT(7) +#define ADM1293_IRANGE_200 (BIT(6) | BIT(7)) +#define ADM1293_IRANGE_MASK (BIT(6) | BIT(7)) + +#define ADM1293_VIN_SEL_012 BIT(2) +#define ADM1293_VIN_SEL_074 BIT(3) +#define ADM1293_VIN_SEL_210 (BIT(2) | BIT(3)) +#define ADM1293_VIN_SEL_MASK (BIT(2) | BIT(3)) + +#define ADM1293_VAUX_EN BIT(1) #define ADM1275_IOUT_WARN2_LIMIT 0xd7 #define ADM1275_DEVICE_CONFIG 0xd8 -#define ADM1275_IOUT_WARN2_SELECT (1 << 4) +#define ADM1275_IOUT_WARN2_SELECT BIT(4) #define ADM1276_PEAK_PIN 0xda - -#define ADM1275_MFR_STATUS_IOUT_WARN2 (1 << 0) - #define ADM1075_READ_VAUX 0xdd #define ADM1075_VAUX_OV_WARN_LIMIT 0xde #define ADM1075_VAUX_UV_WARN_LIMIT 0xdf +#define ADM1293_IOUT_MIN 0xe3 +#define ADM1293_PIN_MIN 0xe4 #define ADM1075_VAUX_STATUS 0xf6 -#define ADM1075_VAUX_OV_WARN (1<<7) -#define ADM1075_VAUX_UV_WARN (1<<6) +#define ADM1075_VAUX_OV_WARN BIT(7) +#define ADM1075_VAUX_UV_WARN BIT(6) struct adm1275_data { int id; bool have_oc_fault; + bool have_uc_fault; + bool have_vout; + bool have_vaux_status; + bool have_mfr_vaux_status; + bool have_iout_min; + bool have_pin_min; + bool have_pin_max; struct pmbus_driver_info info; }; #define to_adm1275_data(x) container_of(x, struct adm1275_data, info) +struct coefficients { + s16 m; + s16 b; + s16 R; +}; + +static const struct coefficients adm1075_coefficients[] = { + [0] = { 27169, 0, -1 }, /* voltage */ + [1] = { 806, 20475, -1 }, /* current, irange25 */ + [2] = { 404, 20475, -1 }, /* current, irange50 */ + [3] = { 0, -1, 8549 }, /* power, irange25 */ + [4] = { 0, -1, 4279 }, /* power, irange50 */ +}; + +static const struct coefficients adm1275_coefficients[] = { + [0] = { 19199, 0, -2 }, /* voltage, vrange set */ + [1] = { 6720, 0, -1 }, /* voltage, vrange not set */ + [2] = { 807, 20475, -1 }, /* current */ +}; + +static const struct coefficients adm1276_coefficients[] = { + [0] = { 19199, 0, -2 }, /* voltage, vrange set */ + [1] = { 6720, 0, -1 }, /* voltage, vrange not set */ + [2] = { 807, 20475, -1 }, /* current */ + [3] = { 6043, 0, -2 }, /* power, vrange set */ + [4] = { 2115, 0, -1 }, /* power, vrange not set */ +}; + +static const struct coefficients adm1293_coefficients[] = { + [0] = { 3333, -1, 0 }, /* voltage, vrange 1.2V */ + [1] = { 5552, -5, -1 }, /* voltage, vrange 7.4V */ + [2] = { 19604, -50, -2 }, /* voltage, vrange 21V */ + [3] = { 8000, -100, -2 }, /* current, irange25 */ + [4] = { 4000, -100, -2 }, /* current, irange50 */ + [5] = { 20000, -1000, -3 }, /* current, irange100 */ + [6] = { 10000, -1000, -3 }, /* current, irange200 */ + [7] = { 10417, 0, -1 }, /* power, 1.2V, irange25 */ + [8] = { 5208, 0, -1 }, /* power, 1.2V, irange50 */ + [9] = { 26042, 0, -2 }, /* power, 1.2V, irange100 */ + [10] = { 13021, 0, -2 }, /* power, 1.2V, irange200 */ + [11] = { 17351, 0, -2 }, /* power, 7.4V, irange25 */ + [12] = { 8676, 0, -2 }, /* power, 7.4V, irange50 */ + [13] = { 4338, 0, -2 }, /* power, 7.4V, irange100 */ + [14] = { 21689, 0, -3 }, /* power, 7.4V, irange200 */ + [15] = { 6126, 0, -2 }, /* power, 21V, irange25 */ + [16] = { 30631, 0, -3 }, /* power, 21V, irange50 */ + [17] = { 15316, 0, -3 }, /* power, 21V, irange100 */ + [18] = { 7658, 0, -3 }, /* power, 21V, irange200 */ +}; + static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) { const struct pmbus_driver_info *info = pmbus_get_driver_info(client); @@ -72,42 +146,37 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) switch (reg) { case PMBUS_IOUT_UC_FAULT_LIMIT: - if (data->have_oc_fault) { - ret = -ENXIO; - break; - } + if (!data->have_uc_fault) + return -ENXIO; ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT); break; case PMBUS_IOUT_OC_FAULT_LIMIT: - if (!data->have_oc_fault) { - ret = -ENXIO; - break; - } + if (!data->have_oc_fault) + return -ENXIO; ret = pmbus_read_word_data(client, 0, ADM1275_IOUT_WARN2_LIMIT); break; case PMBUS_VOUT_OV_WARN_LIMIT: - if (data->id != adm1075) { - ret = -ENODATA; - break; - } + if (data->have_vout) + return -ENODATA; ret = pmbus_read_word_data(client, 0, ADM1075_VAUX_OV_WARN_LIMIT); break; case PMBUS_VOUT_UV_WARN_LIMIT: - if (data->id != adm1075) { - ret = -ENODATA; - break; - } + if (data->have_vout) + return -ENODATA; ret = pmbus_read_word_data(client, 0, ADM1075_VAUX_UV_WARN_LIMIT); break; case PMBUS_READ_VOUT: - if (data->id != adm1075) { - ret = -ENODATA; - break; - } + if (data->have_vout) + return -ENODATA; ret = pmbus_read_word_data(client, 0, ADM1075_READ_VAUX); break; + case PMBUS_VIRT_READ_IOUT_MIN: + if (!data->have_iout_min) + return -ENXIO; + ret = pmbus_read_word_data(client, 0, ADM1293_IOUT_MIN); + break; case PMBUS_VIRT_READ_IOUT_MAX: ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_IOUT); break; @@ -117,11 +186,14 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) case PMBUS_VIRT_READ_VIN_MAX: ret = pmbus_read_word_data(client, 0, ADM1275_PEAK_VIN); break; + case PMBUS_VIRT_READ_PIN_MIN: + if (!data->have_pin_min) + return -ENXIO; + ret = pmbus_read_word_data(client, 0, ADM1293_PIN_MIN); + break; case PMBUS_VIRT_READ_PIN_MAX: - if (data->id == adm1275) { - ret = -ENXIO; - break; - } + if (!data->have_pin_max) + return -ENXIO; ret = pmbus_read_word_data(client, 0, ADM1276_PEAK_PIN); break; case PMBUS_VIRT_RESET_IOUT_HISTORY: @@ -129,8 +201,8 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) case PMBUS_VIRT_RESET_VIN_HISTORY: break; case PMBUS_VIRT_RESET_PIN_HISTORY: - if (data->id == adm1275) - ret = -ENXIO; + if (!data->have_pin_max) + return -ENXIO; break; default: ret = -ENODATA; @@ -142,6 +214,8 @@ static int adm1275_read_word_data(struct i2c_client *client, int page, int reg) static int adm1275_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 adm1275_data *data = to_adm1275_data(info); int ret; if (page) @@ -155,6 +229,9 @@ static int adm1275_write_word_data(struct i2c_client *client, int page, int reg, break; case PMBUS_VIRT_RESET_IOUT_HISTORY: ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_IOUT, 0); + if (!ret && data->have_iout_min) + ret = pmbus_write_word_data(client, 0, + ADM1293_IOUT_MIN, 0); break; case PMBUS_VIRT_RESET_VOUT_HISTORY: ret = pmbus_write_word_data(client, 0, ADM1275_PEAK_VOUT, 0); @@ -164,6 +241,9 @@ static int adm1275_write_word_data(struct i2c_client *client, int page, int reg, break; case PMBUS_VIRT_RESET_PIN_HISTORY: ret = pmbus_write_word_data(client, 0, ADM1276_PEAK_PIN, 0); + if (!ret && data->have_pin_min) + ret = pmbus_write_word_data(client, 0, + ADM1293_PIN_MIN, 0); break; default: ret = -ENODATA; @@ -186,29 +266,40 @@ static int adm1275_read_byte_data(struct i2c_client *client, int page, int reg) ret = pmbus_read_byte_data(client, page, PMBUS_STATUS_IOUT); if (ret < 0) break; + if (!data->have_oc_fault && !data->have_uc_fault) + break; mfr_status = pmbus_read_byte_data(client, page, PMBUS_STATUS_MFR_SPECIFIC); - if (mfr_status < 0) { - ret = mfr_status; - break; - } + if (mfr_status < 0) + return mfr_status; if (mfr_status & ADM1275_MFR_STATUS_IOUT_WARN2) { ret |= data->have_oc_fault ? PB_IOUT_OC_FAULT : PB_IOUT_UC_FAULT; } break; case PMBUS_STATUS_VOUT: - if (data->id != adm1075) { - ret = -ENODATA; - break; - } + if (data->have_vout) + return -ENODATA; ret = 0; - mfr_status = pmbus_read_byte_data(client, 0, - ADM1075_VAUX_STATUS); - if (mfr_status & ADM1075_VAUX_OV_WARN) - ret |= PB_VOLTAGE_OV_WARNING; - if (mfr_status & ADM1075_VAUX_UV_WARN) - ret |= PB_VOLTAGE_UV_WARNING; + if (data->have_vaux_status) { + mfr_status = pmbus_read_byte_data(client, 0, + ADM1075_VAUX_STATUS); + if (mfr_status < 0) + return mfr_status; + if (mfr_status & ADM1075_VAUX_OV_WARN) + ret |= PB_VOLTAGE_OV_WARNING; + if (mfr_status & ADM1075_VAUX_UV_WARN) + ret |= PB_VOLTAGE_UV_WARNING; + } else if (data->have_mfr_vaux_status) { + mfr_status = pmbus_read_byte_data(client, page, + PMBUS_STATUS_MFR_SPECIFIC); + if (mfr_status < 0) + return mfr_status; + if (mfr_status & ADM1293_MFR_STATUS_VAUX_OV_WARN) + ret |= PB_VOLTAGE_OV_WARNING; + if (mfr_status & ADM1293_MFR_STATUS_VAUX_UV_WARN) + ret |= PB_VOLTAGE_UV_WARNING; + } break; default: ret = -ENODATA; @@ -221,6 +312,8 @@ static const struct i2c_device_id adm1275_id[] = { { "adm1075", adm1075 }, { "adm1275", adm1275 }, { "adm1276", adm1276 }, + { "adm1293", adm1293 }, + { "adm1294", adm1294 }, { } }; MODULE_DEVICE_TABLE(i2c, adm1275_id); @@ -234,6 +327,8 @@ static int adm1275_probe(struct i2c_client *client, struct pmbus_driver_info *info; struct adm1275_data *data; const struct i2c_device_id *mid; + const struct coefficients *coefficients; + int vindex = -1, voindex = -1, cindex = -1, pindex = -1; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA @@ -290,61 +385,38 @@ static int adm1275_probe(struct i2c_client *client, info->format[PSC_VOLTAGE_IN] = direct; info->format[PSC_VOLTAGE_OUT] = direct; info->format[PSC_CURRENT_OUT] = direct; - info->m[PSC_CURRENT_OUT] = 807; - info->b[PSC_CURRENT_OUT] = 20475; - info->R[PSC_CURRENT_OUT] = -1; + info->format[PSC_POWER] = direct; info->func[0] = PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; info->read_word_data = adm1275_read_word_data; info->read_byte_data = adm1275_read_byte_data; info->write_word_data = adm1275_write_word_data; - if (data->id == adm1075) { - info->m[PSC_VOLTAGE_IN] = 27169; - info->b[PSC_VOLTAGE_IN] = 0; - info->R[PSC_VOLTAGE_IN] = -1; - info->m[PSC_VOLTAGE_OUT] = 27169; - info->b[PSC_VOLTAGE_OUT] = 0; - info->R[PSC_VOLTAGE_OUT] = -1; - } else if (config & ADM1275_VRANGE) { - info->m[PSC_VOLTAGE_IN] = 19199; - info->b[PSC_VOLTAGE_IN] = 0; - info->R[PSC_VOLTAGE_IN] = -2; - info->m[PSC_VOLTAGE_OUT] = 19199; - info->b[PSC_VOLTAGE_OUT] = 0; - info->R[PSC_VOLTAGE_OUT] = -2; - } else { - info->m[PSC_VOLTAGE_IN] = 6720; - info->b[PSC_VOLTAGE_IN] = 0; - info->R[PSC_VOLTAGE_IN] = -1; - info->m[PSC_VOLTAGE_OUT] = 6720; - info->b[PSC_VOLTAGE_OUT] = 0; - info->R[PSC_VOLTAGE_OUT] = -1; - } - - if (device_config & ADM1275_IOUT_WARN2_SELECT) - data->have_oc_fault = true; - switch (data->id) { case adm1075: - info->format[PSC_POWER] = direct; - info->b[PSC_POWER] = 0; - info->R[PSC_POWER] = -1; + if (device_config & ADM1275_IOUT_WARN2_SELECT) + data->have_oc_fault = true; + else + data->have_uc_fault = true; + data->have_pin_max = true; + data->have_vaux_status = true; + + coefficients = adm1075_coefficients; + vindex = 0; switch (config & ADM1075_IRANGE_MASK) { case ADM1075_IRANGE_25: - info->m[PSC_POWER] = 8549; - info->m[PSC_CURRENT_OUT] = 806; + cindex = 1; + pindex = 3; break; case ADM1075_IRANGE_50: - info->m[PSC_POWER] = 4279; - info->m[PSC_CURRENT_OUT] = 404; + cindex = 2; + pindex = 4; break; default: dev_err(&client->dev, "Invalid input current range"); - info->m[PSC_POWER] = 0; - info->m[PSC_CURRENT_OUT] = 0; break; } + info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT; if (config & ADM1275_VIN_VOUT_SELECT) @@ -352,6 +424,16 @@ static int adm1275_probe(struct i2c_client *client, PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; break; case adm1275: + if (device_config & ADM1275_IOUT_WARN2_SELECT) + data->have_oc_fault = true; + else + data->have_uc_fault = true; + data->have_vout = true; + + coefficients = adm1275_coefficients; + vindex = (config & ADM1275_VRANGE) ? 0 : 1; + cindex = 2; + if (config & ADM1275_VIN_VOUT_SELECT) info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; @@ -360,22 +442,100 @@ static int adm1275_probe(struct i2c_client *client, PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT; break; case adm1276: - info->format[PSC_POWER] = direct; + if (device_config & ADM1275_IOUT_WARN2_SELECT) + data->have_oc_fault = true; + else + data->have_uc_fault = true; + data->have_vout = true; + data->have_pin_max = true; + + coefficients = adm1276_coefficients; + vindex = (config & ADM1275_VRANGE) ? 0 : 1; + cindex = 2; + pindex = (config & ADM1275_VRANGE) ? 3 : 4; + info->func[0] |= PMBUS_HAVE_VIN | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT; if (config & ADM1275_VIN_VOUT_SELECT) info->func[0] |= PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; - if (config & ADM1275_VRANGE) { - info->m[PSC_POWER] = 6043; - info->b[PSC_POWER] = 0; - info->R[PSC_POWER] = -2; - } else { - info->m[PSC_POWER] = 2115; - info->b[PSC_POWER] = 0; - info->R[PSC_POWER] = -1; + break; + case adm1293: + case adm1294: + data->have_iout_min = true; + data->have_pin_min = true; + data->have_pin_max = true; + data->have_mfr_vaux_status = true; + + coefficients = adm1293_coefficients; + + voindex = 0; + switch (config & ADM1293_VIN_SEL_MASK) { + case ADM1293_VIN_SEL_012: /* 1.2V */ + vindex = 0; + break; + case ADM1293_VIN_SEL_074: /* 7.4V */ + vindex = 1; + break; + case ADM1293_VIN_SEL_210: /* 21V */ + vindex = 2; + break; + default: /* disabled */ + break; } + + switch (config & ADM1293_IRANGE_MASK) { + case ADM1293_IRANGE_25: + cindex = 3; + break; + case ADM1293_IRANGE_50: + cindex = 4; + break; + case ADM1293_IRANGE_100: + cindex = 5; + break; + case ADM1293_IRANGE_200: + cindex = 6; + break; + } + + if (vindex >= 0) + pindex = 7 + vindex * 4 + (cindex - 3); + + if (config & ADM1293_VAUX_EN) + info->func[0] |= + PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; + + info->func[0] |= PMBUS_HAVE_PIN | + PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT; + break; + default: + dev_err(&client->dev, "Unsupported device\n"); + return -ENODEV; + } + + if (voindex < 0) + voindex = vindex; + if (vindex >= 0) { + info->m[PSC_VOLTAGE_IN] = coefficients[vindex].m; + info->b[PSC_VOLTAGE_IN] = coefficients[vindex].b; + info->R[PSC_VOLTAGE_IN] = coefficients[vindex].R; + } + if (voindex >= 0) { + info->m[PSC_VOLTAGE_OUT] = coefficients[voindex].m; + info->b[PSC_VOLTAGE_OUT] = coefficients[voindex].b; + info->R[PSC_VOLTAGE_OUT] = coefficients[voindex].R; + } + if (cindex >= 0) { + info->m[PSC_CURRENT_OUT] = coefficients[cindex].m; + info->b[PSC_CURRENT_OUT] = coefficients[cindex].b; + info->R[PSC_CURRENT_OUT] = coefficients[cindex].R; + } + if (pindex >= 0) { + info->m[PSC_POWER] = coefficients[pindex].m; + info->b[PSC_POWER] = coefficients[pindex].b; + info->R[PSC_POWER] = coefficients[pindex].R; } return pmbus_do_probe(client, id, info); diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index a26b1d1d9514..a3d912cd3b8d 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -42,15 +43,15 @@ enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; #define LM25066_READ_AVG_IIN 0xde #define LM25066_READ_AVG_PIN 0xdf -#define LM25066_DEV_SETUP_CL (1 << 4) /* Current limit */ +#define LM25066_DEV_SETUP_CL BIT(4) /* Current limit */ /* LM25056 only */ #define LM25056_VAUX_OV_WARN_LIMIT 0xe3 #define LM25056_VAUX_UV_WARN_LIMIT 0xe4 -#define LM25056_MFR_STS_VAUX_OV_WARN (1 << 1) -#define LM25056_MFR_STS_VAUX_UV_WARN (1 << 0) +#define LM25056_MFR_STS_VAUX_OV_WARN BIT(1) +#define LM25056_MFR_STS_VAUX_UV_WARN BIT(0) /* LM25063 only */ diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 0835050ec245..58b789c28b48 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -1,9 +1,9 @@ /* - * Hardware monitoring driver for LTC2974, LTC2977, LTC2978, LTC3880, - * LTC3883, and LTM4676 + * Hardware monitoring driver for LTC2978 and compatible chips. * * Copyright (c) 2011 Ericsson AB. - * Copyright (c) 2013, 2014 Guenter Roeck + * Copyright (c) 2013, 2014, 2015 Guenter Roeck + * Copyright (c) 2015 Linear Technology * * 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 @@ -16,6 +16,8 @@ * GNU General Public License for more details. */ +#include <linux/delay.h> +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -25,49 +27,71 @@ #include <linux/regulator/driver.h> #include "pmbus.h" -enum chips { ltc2974, ltc2977, ltc2978, ltc3880, ltc3883, ltm4676 }; +enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, + ltc3883, ltc3886, ltc3887, ltm2987, ltm4675, ltm4676 }; /* Common for all chips */ #define LTC2978_MFR_VOUT_PEAK 0xdd #define LTC2978_MFR_VIN_PEAK 0xde #define LTC2978_MFR_TEMPERATURE_PEAK 0xdf -#define LTC2978_MFR_SPECIAL_ID 0xe7 +#define LTC2978_MFR_SPECIAL_ID 0xe7 /* Undocumented on LTC3882 */ +#define LTC2978_MFR_COMMON 0xef -/* LTC2974, LCT2977, and LTC2978 */ +/* LTC2974, LTC2975, LCT2977, LTC2980, LTC2978, and LTM2987 */ #define LTC2978_MFR_VOUT_MIN 0xfb #define LTC2978_MFR_VIN_MIN 0xfc #define LTC2978_MFR_TEMPERATURE_MIN 0xfd -/* LTC2974 only */ +/* LTC2974, LTC2975 */ #define LTC2974_MFR_IOUT_PEAK 0xd7 #define LTC2974_MFR_IOUT_MIN 0xd8 -/* LTC3880, LTC3883, and LTM4676 */ +/* LTC3880, LTC3882, LTC3883, LTC3887, LTM4675, and LTM4676 */ #define LTC3880_MFR_IOUT_PEAK 0xd7 #define LTC3880_MFR_CLEAR_PEAKS 0xe3 #define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4 -/* LTC3883 only */ +/* LTC3883 and LTC3886 only */ #define LTC3883_MFR_IIN_PEAK 0xe1 -#define LTC2974_ID_REV1 0x0212 -#define LTC2974_ID_REV2 0x0213 +/* LTC2975 only */ +#define LTC2975_MFR_IIN_PEAK 0xc4 +#define LTC2975_MFR_IIN_MIN 0xc5 +#define LTC2975_MFR_PIN_PEAK 0xc6 +#define LTC2975_MFR_PIN_MIN 0xc7 + +#define LTC2978_ID_MASK 0xfff0 + +#define LTC2974_ID 0x0210 +#define LTC2975_ID 0x0220 #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 LTC2978_ID_REV1 0x0110 /* Early revision */ +#define LTC2978_ID_REV2 0x0120 +#define LTC2980_ID_A 0x8030 /* A/B for two die IDs */ +#define LTC2980_ID_B 0x8040 +#define LTC3880_ID 0x4020 +#define LTC3882_ID 0x4200 +#define LTC3882_ID_D1 0x4240 /* Dash 1 */ #define LTC3883_ID 0x4300 -#define LTC3883_ID_MASK 0xff00 -#define LTM4676_ID 0x4480 /* datasheet claims 0x440X */ -#define LTM4676_ID_MASK 0xfff0 +#define LTC3886_ID 0x4600 +#define LTC3887_ID 0x4700 +#define LTM2987_ID_A 0x8010 /* A/B for two die IDs */ +#define LTM2987_ID_B 0x8020 +#define LTM4675_ID 0x47a0 +#define LTM4676_ID_REV1 0x4400 +#define LTM4676_ID_REV2 0x4480 +#define LTM4676A_ID 0x47e0 #define LTC2974_NUM_PAGES 4 #define LTC2978_NUM_PAGES 8 #define LTC3880_NUM_PAGES 2 #define LTC3883_NUM_PAGES 1 +#define LTC_POLL_TIMEOUT 100 /* in milli-seconds */ + +#define LTC_NOT_BUSY BIT(5) +#define LTC_NOT_PENDING BIT(4) + /* * LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which * happens pretty much each time chip data is updated. Raw peak data therefore @@ -82,13 +106,91 @@ struct ltc2978_data { u16 temp_min[LTC2974_NUM_PAGES], temp_max[LTC2974_NUM_PAGES]; u16 vout_min[LTC2978_NUM_PAGES], vout_max[LTC2978_NUM_PAGES]; u16 iout_min[LTC2974_NUM_PAGES], iout_max[LTC2974_NUM_PAGES]; - u16 iin_max; + u16 iin_min, iin_max; + u16 pin_min, pin_max; u16 temp2_max; struct pmbus_driver_info info; + u32 features; }; - #define to_ltc2978_data(x) container_of(x, struct ltc2978_data, info) +#define FEAT_CLEAR_PEAKS BIT(0) +#define FEAT_NEEDS_POLLING BIT(1) + +#define has_clear_peaks(d) ((d)->features & FEAT_CLEAR_PEAKS) +#define needs_polling(d) ((d)->features & FEAT_NEEDS_POLLING) + +static int ltc_wait_ready(struct i2c_client *client) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(LTC_POLL_TIMEOUT); + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct ltc2978_data *data = to_ltc2978_data(info); + int status; + u8 mask; + + if (!needs_polling(data)) + return 0; + + /* + * LTC3883 does not support LTC_NOT_PENDING, even though + * the datasheet claims that it does. + */ + mask = LTC_NOT_BUSY; + if (data->id != ltc3883) + mask |= LTC_NOT_PENDING; + + do { + status = pmbus_read_byte_data(client, 0, LTC2978_MFR_COMMON); + if (status == -EBADMSG || status == -ENXIO) { + /* PEC error or NACK: chip may be busy, try again */ + usleep_range(50, 100); + continue; + } + if (status < 0) + return status; + + if ((status & mask) == mask) + return 0; + + usleep_range(50, 100); + } while (time_before(jiffies, timeout)); + + return -ETIMEDOUT; +} + +static int ltc_read_word_data(struct i2c_client *client, int page, int reg) +{ + int ret; + + ret = ltc_wait_ready(client); + if (ret < 0) + return ret; + + return pmbus_read_word_data(client, page, reg); +} + +static int ltc_read_byte_data(struct i2c_client *client, int page, int reg) +{ + int ret; + + ret = ltc_wait_ready(client); + if (ret < 0) + return ret; + + return pmbus_read_byte_data(client, page, reg); +} + +static int ltc_write_byte(struct i2c_client *client, int page, u8 byte) +{ + int ret; + + ret = ltc_wait_ready(client); + if (ret < 0) + return ret; + + return pmbus_write_byte(client, page, byte); +} + static inline int lin11_to_val(int data) { s16 e = ((s16)data) >> 11; @@ -102,6 +204,34 @@ static inline int lin11_to_val(int data) return (e < 0 ? m >> -e : m << e); } +static int ltc_get_max(struct ltc2978_data *data, struct i2c_client *client, + int page, int reg, u16 *pmax) +{ + int ret; + + ret = ltc_read_word_data(client, page, reg); + if (ret >= 0) { + if (lin11_to_val(ret) > lin11_to_val(*pmax)) + *pmax = ret; + ret = *pmax; + } + return ret; +} + +static int ltc_get_min(struct ltc2978_data *data, struct i2c_client *client, + int page, int reg, u16 *pmin) +{ + int ret; + + ret = ltc_read_word_data(client, page, reg); + if (ret >= 0) { + if (lin11_to_val(ret) < lin11_to_val(*pmin)) + *pmin = ret; + ret = *pmin; + } + return ret; +} + static int ltc2978_read_word_data_common(struct i2c_client *client, int page, int reg) { @@ -111,15 +241,11 @@ static int ltc2978_read_word_data_common(struct i2c_client *client, int page, switch (reg) { case PMBUS_VIRT_READ_VIN_MAX: - ret = pmbus_read_word_data(client, page, LTC2978_MFR_VIN_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) > lin11_to_val(data->vin_max)) - data->vin_max = ret; - ret = data->vin_max; - } + ret = ltc_get_max(data, client, page, LTC2978_MFR_VIN_PEAK, + &data->vin_max); break; case PMBUS_VIRT_READ_VOUT_MAX: - ret = pmbus_read_word_data(client, page, LTC2978_MFR_VOUT_PEAK); + ret = ltc_read_word_data(client, page, LTC2978_MFR_VOUT_PEAK); if (ret >= 0) { /* * VOUT is 16 bit unsigned with fixed exponent, @@ -131,14 +257,9 @@ static int ltc2978_read_word_data_common(struct i2c_client *client, int page, } break; case PMBUS_VIRT_READ_TEMP_MAX: - ret = pmbus_read_word_data(client, page, - LTC2978_MFR_TEMPERATURE_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) - > lin11_to_val(data->temp_max[page])) - data->temp_max[page] = ret; - ret = data->temp_max[page]; - } + ret = ltc_get_max(data, client, page, + LTC2978_MFR_TEMPERATURE_PEAK, + &data->temp_max[page]); break; case PMBUS_VIRT_RESET_VOUT_HISTORY: case PMBUS_VIRT_RESET_VIN_HISTORY: @@ -146,6 +267,9 @@ static int ltc2978_read_word_data_common(struct i2c_client *client, int page, ret = 0; break; default: + ret = ltc_wait_ready(client); + if (ret < 0) + return ret; ret = -ENODATA; break; } @@ -160,15 +284,11 @@ static int ltc2978_read_word_data(struct i2c_client *client, int page, int reg) switch (reg) { case PMBUS_VIRT_READ_VIN_MIN: - ret = pmbus_read_word_data(client, page, LTC2978_MFR_VIN_MIN); - if (ret >= 0) { - if (lin11_to_val(ret) < lin11_to_val(data->vin_min)) - data->vin_min = ret; - ret = data->vin_min; - } + ret = ltc_get_min(data, client, page, LTC2978_MFR_VIN_MIN, + &data->vin_min); break; case PMBUS_VIRT_READ_VOUT_MIN: - ret = pmbus_read_word_data(client, page, LTC2978_MFR_VOUT_MIN); + ret = ltc_read_word_data(client, page, LTC2978_MFR_VOUT_MIN); if (ret >= 0) { /* * VOUT_MIN is known to not be supported on some lots @@ -184,14 +304,9 @@ static int ltc2978_read_word_data(struct i2c_client *client, int page, int reg) } break; case PMBUS_VIRT_READ_TEMP_MIN: - ret = pmbus_read_word_data(client, page, - LTC2978_MFR_TEMPERATURE_MIN); - if (ret >= 0) { - if (lin11_to_val(ret) - < lin11_to_val(data->temp_min[page])) - data->temp_min[page] = ret; - ret = data->temp_min[page]; - } + ret = ltc_get_min(data, client, page, + LTC2978_MFR_TEMPERATURE_MIN, + &data->temp_min[page]); break; case PMBUS_VIRT_READ_IOUT_MAX: case PMBUS_VIRT_RESET_IOUT_HISTORY: @@ -214,22 +329,12 @@ static int ltc2974_read_word_data(struct i2c_client *client, int page, int reg) switch (reg) { case PMBUS_VIRT_READ_IOUT_MAX: - ret = pmbus_read_word_data(client, page, LTC2974_MFR_IOUT_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) - > lin11_to_val(data->iout_max[page])) - data->iout_max[page] = ret; - ret = data->iout_max[page]; - } + ret = ltc_get_max(data, client, page, LTC2974_MFR_IOUT_PEAK, + &data->iout_max[page]); break; case PMBUS_VIRT_READ_IOUT_MIN: - ret = pmbus_read_word_data(client, page, LTC2974_MFR_IOUT_MIN); - if (ret >= 0) { - if (lin11_to_val(ret) - < lin11_to_val(data->iout_min[page])) - data->iout_min[page] = ret; - ret = data->iout_min[page]; - } + ret = ltc_get_min(data, client, page, LTC2974_MFR_IOUT_MIN, + &data->iout_min[page]); break; case PMBUS_VIRT_RESET_IOUT_HISTORY: ret = 0; @@ -241,6 +346,40 @@ static int ltc2974_read_word_data(struct i2c_client *client, int page, int reg) return ret; } +static int ltc2975_read_word_data(struct i2c_client *client, int page, int reg) +{ + const struct pmbus_driver_info *info = pmbus_get_driver_info(client); + struct ltc2978_data *data = to_ltc2978_data(info); + int ret; + + switch (reg) { + case PMBUS_VIRT_READ_IIN_MAX: + ret = ltc_get_max(data, client, page, LTC2975_MFR_IIN_PEAK, + &data->iin_max); + break; + case PMBUS_VIRT_READ_IIN_MIN: + ret = ltc_get_min(data, client, page, LTC2975_MFR_IIN_MIN, + &data->iin_min); + break; + case PMBUS_VIRT_READ_PIN_MAX: + ret = ltc_get_max(data, client, page, LTC2975_MFR_PIN_PEAK, + &data->pin_max); + break; + case PMBUS_VIRT_READ_PIN_MIN: + ret = ltc_get_min(data, client, page, LTC2975_MFR_PIN_MIN, + &data->pin_min); + break; + case PMBUS_VIRT_RESET_IIN_HISTORY: + case PMBUS_VIRT_RESET_PIN_HISTORY: + ret = 0; + break; + default: + ret = ltc2978_read_word_data(client, page, reg); + break; + } + return ret; +} + static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg) { const struct pmbus_driver_info *info = pmbus_get_driver_info(client); @@ -249,22 +388,13 @@ static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg) switch (reg) { case PMBUS_VIRT_READ_IOUT_MAX: - ret = pmbus_read_word_data(client, page, LTC3880_MFR_IOUT_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) - > lin11_to_val(data->iout_max[page])) - data->iout_max[page] = ret; - ret = data->iout_max[page]; - } + ret = ltc_get_max(data, client, page, LTC3880_MFR_IOUT_PEAK, + &data->iout_max[page]); break; case PMBUS_VIRT_READ_TEMP2_MAX: - ret = pmbus_read_word_data(client, page, - LTC3880_MFR_TEMPERATURE2_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) > lin11_to_val(data->temp2_max)) - data->temp2_max = ret; - ret = data->temp2_max; - } + ret = ltc_get_max(data, client, page, + LTC3880_MFR_TEMPERATURE2_PEAK, + &data->temp2_max); break; case PMBUS_VIRT_READ_VIN_MIN: case PMBUS_VIRT_READ_VOUT_MIN: @@ -290,13 +420,8 @@ static int ltc3883_read_word_data(struct i2c_client *client, int page, int reg) switch (reg) { case PMBUS_VIRT_READ_IIN_MAX: - ret = pmbus_read_word_data(client, page, LTC3883_MFR_IIN_PEAK); - if (ret >= 0) { - if (lin11_to_val(ret) - > lin11_to_val(data->iin_max)) - data->iin_max = ret; - ret = data->iin_max; - } + ret = ltc_get_max(data, client, page, LTC3883_MFR_IIN_PEAK, + &data->iin_max); break; case PMBUS_VIRT_RESET_IIN_HISTORY: ret = 0; @@ -308,15 +433,15 @@ static int ltc3883_read_word_data(struct i2c_client *client, int page, int reg) return ret; } -static int ltc2978_clear_peaks(struct i2c_client *client, int page, - enum chips id) +static int ltc2978_clear_peaks(struct ltc2978_data *data, + struct i2c_client *client, int page) { int ret; - if (id == ltc3880 || id == ltc3883) - ret = pmbus_write_byte(client, 0, LTC3880_MFR_CLEAR_PEAKS); + if (has_clear_peaks(data)) + ret = ltc_write_byte(client, 0, LTC3880_MFR_CLEAR_PEAKS); else - ret = pmbus_write_byte(client, page, PMBUS_CLEAR_FAULTS); + ret = ltc_write_byte(client, page, PMBUS_CLEAR_FAULTS); return ret; } @@ -331,33 +456,42 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, switch (reg) { case PMBUS_VIRT_RESET_IIN_HISTORY: data->iin_max = 0x7c00; - ret = ltc2978_clear_peaks(client, page, data->id); + data->iin_min = 0x7bff; + ret = ltc2978_clear_peaks(data, client, 0); + break; + case PMBUS_VIRT_RESET_PIN_HISTORY: + data->pin_max = 0x7c00; + data->pin_min = 0x7bff; + ret = ltc2978_clear_peaks(data, client, 0); break; case PMBUS_VIRT_RESET_IOUT_HISTORY: data->iout_max[page] = 0x7c00; data->iout_min[page] = 0xfbff; - ret = ltc2978_clear_peaks(client, page, data->id); + ret = ltc2978_clear_peaks(data, client, page); break; case PMBUS_VIRT_RESET_TEMP2_HISTORY: data->temp2_max = 0x7c00; - ret = ltc2978_clear_peaks(client, page, data->id); + ret = ltc2978_clear_peaks(data, client, page); break; case PMBUS_VIRT_RESET_VOUT_HISTORY: data->vout_min[page] = 0xffff; data->vout_max[page] = 0; - ret = ltc2978_clear_peaks(client, page, data->id); + ret = ltc2978_clear_peaks(data, client, page); break; case PMBUS_VIRT_RESET_VIN_HISTORY: data->vin_min = 0x7bff; data->vin_max = 0x7c00; - ret = ltc2978_clear_peaks(client, page, data->id); + ret = ltc2978_clear_peaks(data, client, page); break; case PMBUS_VIRT_RESET_TEMP_HISTORY: data->temp_min[page] = 0x7bff; data->temp_max[page] = 0x7c00; - ret = ltc2978_clear_peaks(client, page, data->id); + ret = ltc2978_clear_peaks(data, client, page); break; default: + ret = ltc_wait_ready(client); + if (ret < 0) + return ret; ret = -ENODATA; break; } @@ -366,10 +500,17 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, static const struct i2c_device_id ltc2978_id[] = { {"ltc2974", ltc2974}, + {"ltc2975", ltc2975}, {"ltc2977", ltc2977}, {"ltc2978", ltc2978}, + {"ltc2980", ltc2980}, {"ltc3880", ltc3880}, + {"ltc3882", ltc3882}, {"ltc3883", ltc3883}, + {"ltc3886", ltc3886}, + {"ltc3887", ltc3887}, + {"ltm2987", ltm2987}, + {"ltm4675", ltm4675}, {"ltm4676", ltm4676}, {} }; @@ -388,10 +529,74 @@ static const struct regulator_desc ltc2978_reg_desc[] = { }; #endif /* CONFIG_SENSORS_LTC2978_REGULATOR */ +static int ltc2978_get_id(struct i2c_client *client) +{ + int chip_id; + + chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID); + if (chip_id < 0) { + const struct i2c_device_id *id; + u8 buf[I2C_SMBUS_BLOCK_MAX]; + int ret; + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_READ_BLOCK_DATA)) + return -ENODEV; + + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_ID, buf); + if (ret < 0) + return ret; + if (ret < 3 || strncmp(buf, "LTC", 3)) + return -ENODEV; + + ret = i2c_smbus_read_block_data(client, PMBUS_MFR_MODEL, buf); + if (ret < 0) + return ret; + for (id = <c2978_id[0]; strlen(id->name); id++) { + if (!strncasecmp(id->name, buf, strlen(id->name))) + return (int)id->driver_data; + } + return -ENODEV; + } + + chip_id &= LTC2978_ID_MASK; + + if (chip_id == LTC2974_ID) + return ltc2974; + else if (chip_id == LTC2975_ID) + return ltc2975; + else if (chip_id == LTC2977_ID) + return ltc2977; + else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) + return ltc2978; + else if (chip_id == LTC2980_ID_A || chip_id == LTC2980_ID_B) + return ltc2980; + else if (chip_id == LTC3880_ID) + return ltc3880; + else if (chip_id == LTC3882_ID || chip_id == LTC3882_ID_D1) + return ltc3882; + else if (chip_id == LTC3883_ID) + return ltc3883; + else if (chip_id == LTC3886_ID) + return ltc3886; + else if (chip_id == LTC3887_ID) + return ltc3887; + else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B) + return ltm2987; + else if (chip_id == LTM4675_ID) + return ltm4675; + else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 || + chip_id == LTM4676A_ID) + return ltm4676; + + dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id); + return -ENODEV; +} + static int ltc2978_probe(struct i2c_client *client, const struct i2c_device_id *id) { - int chip_id, i; + int i, chip_id; struct ltc2978_data *data; struct pmbus_driver_info *info; @@ -404,27 +609,11 @@ static int ltc2978_probe(struct i2c_client *client, if (!data) return -ENOMEM; - chip_id = i2c_smbus_read_word_data(client, LTC2978_MFR_SPECIAL_ID); + chip_id = ltc2978_get_id(client); if (chip_id < 0) return chip_id; - if (chip_id == LTC2974_ID_REV1 || chip_id == LTC2974_ID_REV2) { - data->id = ltc2974; - } 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; - } + data->id = chip_id; if (data->id != id->driver_data) dev_warn(&client->dev, "Device mismatch: Configured %s, detected %s\n", @@ -433,6 +622,9 @@ static int ltc2978_probe(struct i2c_client *client, info = &data->info; info->write_word_data = ltc2978_write_word_data; + info->write_byte = ltc_write_byte; + info->read_word_data = ltc_read_word_data; + info->read_byte_data = ltc_read_byte_data; data->vin_min = 0x7bff; data->vin_max = 0x7c00; @@ -461,8 +653,23 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; } break; + case ltc2975: + info->read_word_data = ltc2975_read_word_data; + info->pages = LTC2974_NUM_PAGES; + info->func[0] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN + | PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_TEMP2; + for (i = 0; i < info->pages; i++) { + info->func[i] |= PMBUS_HAVE_VOUT + | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_POUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; + } + break; case ltc2977: case ltc2978: + case ltc2980: + case ltm2987: info->read_word_data = ltc2978_read_word_data; info->pages = LTC2978_NUM_PAGES; info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT @@ -474,7 +681,10 @@ static int ltc2978_probe(struct i2c_client *client, } break; case ltc3880: + case ltc3887: + case ltm4675: case ltm4676: + data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; info->read_word_data = ltc3880_read_word_data; info->pages = LTC3880_NUM_PAGES; info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN @@ -488,7 +698,23 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; break; + case ltc3882: + data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; + info->read_word_data = ltc3880_read_word_data; + info->pages = LTC3880_NUM_PAGES; + info->func[0] = PMBUS_HAVE_VIN + | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP + | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP; + info->func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_POUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; + break; case ltc3883: + data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; info->read_word_data = ltc3883_read_word_data; info->pages = LTC3883_NUM_PAGES; info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN @@ -498,6 +724,21 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP; break; + case ltc3886: + data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; + info->read_word_data = ltc3883_read_word_data; + info->pages = LTC3880_NUM_PAGES; + info->func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN + | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP + | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP; + info->func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT + | PMBUS_HAVE_POUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; + break; default: return -ENODEV; } @@ -517,10 +758,17 @@ static int ltc2978_probe(struct i2c_client *client, #ifdef CONFIG_OF static const struct of_device_id ltc2978_of_match[] = { { .compatible = "lltc,ltc2974" }, + { .compatible = "lltc,ltc2975" }, { .compatible = "lltc,ltc2977" }, { .compatible = "lltc,ltc2978" }, + { .compatible = "lltc,ltc2980" }, { .compatible = "lltc,ltc3880" }, + { .compatible = "lltc,ltc3882" }, { .compatible = "lltc,ltc3883" }, + { .compatible = "lltc,ltc3886" }, + { .compatible = "lltc,ltc3887" }, + { .compatible = "lltc,ltm2987" }, + { .compatible = "lltc,ltm4675" }, { .compatible = "lltc,ltm4676" }, { } }; @@ -540,5 +788,5 @@ static struct i2c_driver ltc2978_driver = { module_i2c_driver(ltc2978_driver); MODULE_AUTHOR("Guenter Roeck"); -MODULE_DESCRIPTION("PMBus driver for LTC2974, LTC2978, LTC3880, LTC3883, and LTM4676"); +MODULE_DESCRIPTION("PMBus driver for LTC2978 and comppatible chips"); MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/max20751.c b/drivers/hwmon/pmbus/max20751.c new file mode 100644 index 000000000000..ab74aeae8cf2 --- /dev/null +++ b/drivers/hwmon/pmbus/max20751.c @@ -0,0 +1,64 @@ +/* + * Hardware monitoring driver for Maxim MAX20751 + * + * Copyright (c) 2015 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/init.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include "pmbus.h" + +static struct pmbus_driver_info max20751_info = { + .pages = 1, + .format[PSC_VOLTAGE_IN] = linear, + .format[PSC_VOLTAGE_OUT] = vid, + .vrm_version = vr12, + .format[PSC_TEMPERATURE] = linear, + .format[PSC_CURRENT_OUT] = linear, + .format[PSC_POWER] = linear, + .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | + PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | + PMBUS_HAVE_POUT, +}; + +static int max20751_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + return pmbus_do_probe(client, id, &max20751_info); +} + +static const struct i2c_device_id max20751_id[] = { + {"max20751", 0}, + {} +}; + +MODULE_DEVICE_TABLE(i2c, max20751_id); + +static struct i2c_driver max20751_driver = { + .driver = { + .name = "max20751", + }, + .probe = max20751_probe, + .remove = pmbus_do_remove, + .id_table = max20751_id, +}; + +module_i2c_driver(max20751_driver); + +MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); +MODULE_DESCRIPTION("PMBus driver for Maxim MAX20751"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c index 7e930c3ce1ab..74a1f6f68fb3 100644 --- a/drivers/hwmon/pmbus/max34440.c +++ b/drivers/hwmon/pmbus/max34440.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -38,10 +39,10 @@ enum chips { max34440, max34441, max34446, max34460, max34461 }; #define MAX34446_MFR_IOUT_AVG 0xe2 #define MAX34446_MFR_TEMPERATURE_AVG 0xe3 -#define MAX34440_STATUS_OC_WARN (1 << 0) -#define MAX34440_STATUS_OC_FAULT (1 << 1) -#define MAX34440_STATUS_OT_FAULT (1 << 5) -#define MAX34440_STATUS_OT_WARN (1 << 6) +#define MAX34440_STATUS_OC_WARN BIT(0) +#define MAX34440_STATUS_OC_FAULT BIT(1) +#define MAX34440_STATUS_OT_FAULT BIT(5) +#define MAX34440_STATUS_OT_WARN BIT(6) struct max34440_data { int id; diff --git a/drivers/hwmon/pmbus/max8688.c b/drivers/hwmon/pmbus/max8688.c index f04454a42fdd..dd4883a19045 100644 --- a/drivers/hwmon/pmbus/max8688.c +++ b/drivers/hwmon/pmbus/max8688.c @@ -18,6 +18,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -30,15 +31,15 @@ #define MAX8688_MFR_TEMPERATURE_PEAK 0xd6 #define MAX8688_MFG_STATUS 0xd8 -#define MAX8688_STATUS_OC_FAULT (1 << 4) -#define MAX8688_STATUS_OV_FAULT (1 << 5) -#define MAX8688_STATUS_OV_WARNING (1 << 8) -#define MAX8688_STATUS_UV_FAULT (1 << 9) -#define MAX8688_STATUS_UV_WARNING (1 << 10) -#define MAX8688_STATUS_UC_FAULT (1 << 11) -#define MAX8688_STATUS_OC_WARNING (1 << 12) -#define MAX8688_STATUS_OT_FAULT (1 << 13) -#define MAX8688_STATUS_OT_WARNING (1 << 14) +#define MAX8688_STATUS_OC_FAULT BIT(4) +#define MAX8688_STATUS_OV_FAULT BIT(5) +#define MAX8688_STATUS_OV_WARNING BIT(8) +#define MAX8688_STATUS_UV_FAULT BIT(9) +#define MAX8688_STATUS_UV_WARNING BIT(10) +#define MAX8688_STATUS_UC_FAULT BIT(11) +#define MAX8688_STATUS_OC_WARNING BIT(12) +#define MAX8688_STATUS_OT_FAULT BIT(13) +#define MAX8688_STATUS_OT_WARNING BIT(14) static int max8688_read_word_data(struct i2c_client *client, int page, int reg) { diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c index 554d0249dcde..0a74991a60f0 100644 --- a/drivers/hwmon/pmbus/pmbus.c +++ b/drivers/hwmon/pmbus/pmbus.c @@ -129,6 +129,7 @@ static int pmbus_identify(struct i2c_client *client, break; case 1: info->format[PSC_VOLTAGE_OUT] = vid; + info->vrm_version = vr11; break; case 2: info->format[PSC_VOLTAGE_OUT] = direct; @@ -193,6 +194,10 @@ static const struct i2c_device_id pmbus_id[] = { {"pdt012", 1}, {"pmbus", 0}, {"tps40400", 1}, + {"tps544b20", 1}, + {"tps544b25", 1}, + {"tps544c20", 1}, + {"tps544c25", 1}, {"udt020", 1}, {} }; diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index 89a23ff836e7..bfcb13bae34b 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -19,114 +19,116 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/regulator/driver.h> - #ifndef PMBUS_H #define PMBUS_H +#include <linux/bitops.h> +#include <linux/regulator/driver.h> + /* * Registers */ -#define PMBUS_PAGE 0x00 -#define PMBUS_OPERATION 0x01 -#define PMBUS_ON_OFF_CONFIG 0x02 -#define PMBUS_CLEAR_FAULTS 0x03 -#define PMBUS_PHASE 0x04 - -#define PMBUS_CAPABILITY 0x19 -#define PMBUS_QUERY 0x1A - -#define PMBUS_VOUT_MODE 0x20 -#define PMBUS_VOUT_COMMAND 0x21 -#define PMBUS_VOUT_TRIM 0x22 -#define PMBUS_VOUT_CAL_OFFSET 0x23 -#define PMBUS_VOUT_MAX 0x24 -#define PMBUS_VOUT_MARGIN_HIGH 0x25 -#define PMBUS_VOUT_MARGIN_LOW 0x26 -#define PMBUS_VOUT_TRANSITION_RATE 0x27 -#define PMBUS_VOUT_DROOP 0x28 -#define PMBUS_VOUT_SCALE_LOOP 0x29 -#define PMBUS_VOUT_SCALE_MONITOR 0x2A - -#define PMBUS_COEFFICIENTS 0x30 -#define PMBUS_POUT_MAX 0x31 - -#define PMBUS_FAN_CONFIG_12 0x3A -#define PMBUS_FAN_COMMAND_1 0x3B -#define PMBUS_FAN_COMMAND_2 0x3C -#define PMBUS_FAN_CONFIG_34 0x3D -#define PMBUS_FAN_COMMAND_3 0x3E -#define PMBUS_FAN_COMMAND_4 0x3F - -#define PMBUS_VOUT_OV_FAULT_LIMIT 0x40 -#define PMBUS_VOUT_OV_FAULT_RESPONSE 0x41 -#define PMBUS_VOUT_OV_WARN_LIMIT 0x42 -#define PMBUS_VOUT_UV_WARN_LIMIT 0x43 -#define PMBUS_VOUT_UV_FAULT_LIMIT 0x44 -#define PMBUS_VOUT_UV_FAULT_RESPONSE 0x45 -#define PMBUS_IOUT_OC_FAULT_LIMIT 0x46 -#define PMBUS_IOUT_OC_FAULT_RESPONSE 0x47 -#define PMBUS_IOUT_OC_LV_FAULT_LIMIT 0x48 -#define PMBUS_IOUT_OC_LV_FAULT_RESPONSE 0x49 -#define PMBUS_IOUT_OC_WARN_LIMIT 0x4A -#define PMBUS_IOUT_UC_FAULT_LIMIT 0x4B -#define PMBUS_IOUT_UC_FAULT_RESPONSE 0x4C - -#define PMBUS_OT_FAULT_LIMIT 0x4F -#define PMBUS_OT_FAULT_RESPONSE 0x50 -#define PMBUS_OT_WARN_LIMIT 0x51 -#define PMBUS_UT_WARN_LIMIT 0x52 -#define PMBUS_UT_FAULT_LIMIT 0x53 -#define PMBUS_UT_FAULT_RESPONSE 0x54 -#define PMBUS_VIN_OV_FAULT_LIMIT 0x55 -#define PMBUS_VIN_OV_FAULT_RESPONSE 0x56 -#define PMBUS_VIN_OV_WARN_LIMIT 0x57 -#define PMBUS_VIN_UV_WARN_LIMIT 0x58 -#define PMBUS_VIN_UV_FAULT_LIMIT 0x59 - -#define PMBUS_IIN_OC_FAULT_LIMIT 0x5B -#define PMBUS_IIN_OC_WARN_LIMIT 0x5D - -#define PMBUS_POUT_OP_FAULT_LIMIT 0x68 -#define PMBUS_POUT_OP_WARN_LIMIT 0x6A -#define PMBUS_PIN_OP_WARN_LIMIT 0x6B - -#define PMBUS_STATUS_BYTE 0x78 -#define PMBUS_STATUS_WORD 0x79 -#define PMBUS_STATUS_VOUT 0x7A -#define PMBUS_STATUS_IOUT 0x7B -#define PMBUS_STATUS_INPUT 0x7C -#define PMBUS_STATUS_TEMPERATURE 0x7D -#define PMBUS_STATUS_CML 0x7E -#define PMBUS_STATUS_OTHER 0x7F -#define PMBUS_STATUS_MFR_SPECIFIC 0x80 -#define PMBUS_STATUS_FAN_12 0x81 -#define PMBUS_STATUS_FAN_34 0x82 - -#define PMBUS_READ_VIN 0x88 -#define PMBUS_READ_IIN 0x89 -#define PMBUS_READ_VCAP 0x8A -#define PMBUS_READ_VOUT 0x8B -#define PMBUS_READ_IOUT 0x8C -#define PMBUS_READ_TEMPERATURE_1 0x8D -#define PMBUS_READ_TEMPERATURE_2 0x8E -#define PMBUS_READ_TEMPERATURE_3 0x8F -#define PMBUS_READ_FAN_SPEED_1 0x90 -#define PMBUS_READ_FAN_SPEED_2 0x91 -#define PMBUS_READ_FAN_SPEED_3 0x92 -#define PMBUS_READ_FAN_SPEED_4 0x93 -#define PMBUS_READ_DUTY_CYCLE 0x94 -#define PMBUS_READ_FREQUENCY 0x95 -#define PMBUS_READ_POUT 0x96 -#define PMBUS_READ_PIN 0x97 - -#define PMBUS_REVISION 0x98 -#define PMBUS_MFR_ID 0x99 -#define PMBUS_MFR_MODEL 0x9A -#define PMBUS_MFR_REVISION 0x9B -#define PMBUS_MFR_LOCATION 0x9C -#define PMBUS_MFR_DATE 0x9D -#define PMBUS_MFR_SERIAL 0x9E +enum pmbus_regs { + PMBUS_PAGE = 0x00, + PMBUS_OPERATION = 0x01, + PMBUS_ON_OFF_CONFIG = 0x02, + PMBUS_CLEAR_FAULTS = 0x03, + PMBUS_PHASE = 0x04, + + PMBUS_CAPABILITY = 0x19, + PMBUS_QUERY = 0x1A, + + PMBUS_VOUT_MODE = 0x20, + PMBUS_VOUT_COMMAND = 0x21, + PMBUS_VOUT_TRIM = 0x22, + PMBUS_VOUT_CAL_OFFSET = 0x23, + PMBUS_VOUT_MAX = 0x24, + PMBUS_VOUT_MARGIN_HIGH = 0x25, + PMBUS_VOUT_MARGIN_LOW = 0x26, + PMBUS_VOUT_TRANSITION_RATE = 0x27, + PMBUS_VOUT_DROOP = 0x28, + PMBUS_VOUT_SCALE_LOOP = 0x29, + PMBUS_VOUT_SCALE_MONITOR = 0x2A, + + PMBUS_COEFFICIENTS = 0x30, + PMBUS_POUT_MAX = 0x31, + + PMBUS_FAN_CONFIG_12 = 0x3A, + PMBUS_FAN_COMMAND_1 = 0x3B, + PMBUS_FAN_COMMAND_2 = 0x3C, + PMBUS_FAN_CONFIG_34 = 0x3D, + PMBUS_FAN_COMMAND_3 = 0x3E, + PMBUS_FAN_COMMAND_4 = 0x3F, + + PMBUS_VOUT_OV_FAULT_LIMIT = 0x40, + PMBUS_VOUT_OV_FAULT_RESPONSE = 0x41, + PMBUS_VOUT_OV_WARN_LIMIT = 0x42, + PMBUS_VOUT_UV_WARN_LIMIT = 0x43, + PMBUS_VOUT_UV_FAULT_LIMIT = 0x44, + PMBUS_VOUT_UV_FAULT_RESPONSE = 0x45, + PMBUS_IOUT_OC_FAULT_LIMIT = 0x46, + PMBUS_IOUT_OC_FAULT_RESPONSE = 0x47, + PMBUS_IOUT_OC_LV_FAULT_LIMIT = 0x48, + PMBUS_IOUT_OC_LV_FAULT_RESPONSE = 0x49, + PMBUS_IOUT_OC_WARN_LIMIT = 0x4A, + PMBUS_IOUT_UC_FAULT_LIMIT = 0x4B, + PMBUS_IOUT_UC_FAULT_RESPONSE = 0x4C, + + PMBUS_OT_FAULT_LIMIT = 0x4F, + PMBUS_OT_FAULT_RESPONSE = 0x50, + PMBUS_OT_WARN_LIMIT = 0x51, + PMBUS_UT_WARN_LIMIT = 0x52, + PMBUS_UT_FAULT_LIMIT = 0x53, + PMBUS_UT_FAULT_RESPONSE = 0x54, + PMBUS_VIN_OV_FAULT_LIMIT = 0x55, + PMBUS_VIN_OV_FAULT_RESPONSE = 0x56, + PMBUS_VIN_OV_WARN_LIMIT = 0x57, + PMBUS_VIN_UV_WARN_LIMIT = 0x58, + PMBUS_VIN_UV_FAULT_LIMIT = 0x59, + + PMBUS_IIN_OC_FAULT_LIMIT = 0x5B, + PMBUS_IIN_OC_WARN_LIMIT = 0x5D, + + PMBUS_POUT_OP_FAULT_LIMIT = 0x68, + PMBUS_POUT_OP_WARN_LIMIT = 0x6A, + PMBUS_PIN_OP_WARN_LIMIT = 0x6B, + + PMBUS_STATUS_BYTE = 0x78, + PMBUS_STATUS_WORD = 0x79, + PMBUS_STATUS_VOUT = 0x7A, + PMBUS_STATUS_IOUT = 0x7B, + PMBUS_STATUS_INPUT = 0x7C, + PMBUS_STATUS_TEMPERATURE = 0x7D, + PMBUS_STATUS_CML = 0x7E, + PMBUS_STATUS_OTHER = 0x7F, + PMBUS_STATUS_MFR_SPECIFIC = 0x80, + PMBUS_STATUS_FAN_12 = 0x81, + PMBUS_STATUS_FAN_34 = 0x82, + + PMBUS_READ_VIN = 0x88, + PMBUS_READ_IIN = 0x89, + PMBUS_READ_VCAP = 0x8A, + PMBUS_READ_VOUT = 0x8B, + PMBUS_READ_IOUT = 0x8C, + PMBUS_READ_TEMPERATURE_1 = 0x8D, + PMBUS_READ_TEMPERATURE_2 = 0x8E, + PMBUS_READ_TEMPERATURE_3 = 0x8F, + PMBUS_READ_FAN_SPEED_1 = 0x90, + PMBUS_READ_FAN_SPEED_2 = 0x91, + PMBUS_READ_FAN_SPEED_3 = 0x92, + PMBUS_READ_FAN_SPEED_4 = 0x93, + PMBUS_READ_DUTY_CYCLE = 0x94, + PMBUS_READ_FREQUENCY = 0x95, + PMBUS_READ_POUT = 0x96, + PMBUS_READ_PIN = 0x97, + + PMBUS_REVISION = 0x98, + PMBUS_MFR_ID = 0x99, + PMBUS_MFR_MODEL = 0x9A, + PMBUS_MFR_REVISION = 0x9B, + PMBUS_MFR_LOCATION = 0x9C, + PMBUS_MFR_DATE = 0x9D, + PMBUS_MFR_SERIAL = 0x9E, /* * Virtual registers. @@ -148,55 +150,58 @@ * the calling PMBus core code will abort if the chip driver returns an error * code when reading or writing virtual registers. */ -#define PMBUS_VIRT_BASE 0x100 -#define PMBUS_VIRT_READ_TEMP_AVG (PMBUS_VIRT_BASE + 0) -#define PMBUS_VIRT_READ_TEMP_MIN (PMBUS_VIRT_BASE + 1) -#define PMBUS_VIRT_READ_TEMP_MAX (PMBUS_VIRT_BASE + 2) -#define PMBUS_VIRT_RESET_TEMP_HISTORY (PMBUS_VIRT_BASE + 3) -#define PMBUS_VIRT_READ_VIN_AVG (PMBUS_VIRT_BASE + 4) -#define PMBUS_VIRT_READ_VIN_MIN (PMBUS_VIRT_BASE + 5) -#define PMBUS_VIRT_READ_VIN_MAX (PMBUS_VIRT_BASE + 6) -#define PMBUS_VIRT_RESET_VIN_HISTORY (PMBUS_VIRT_BASE + 7) -#define PMBUS_VIRT_READ_IIN_AVG (PMBUS_VIRT_BASE + 8) -#define PMBUS_VIRT_READ_IIN_MIN (PMBUS_VIRT_BASE + 9) -#define PMBUS_VIRT_READ_IIN_MAX (PMBUS_VIRT_BASE + 10) -#define PMBUS_VIRT_RESET_IIN_HISTORY (PMBUS_VIRT_BASE + 11) -#define PMBUS_VIRT_READ_PIN_AVG (PMBUS_VIRT_BASE + 12) -#define PMBUS_VIRT_READ_PIN_MAX (PMBUS_VIRT_BASE + 13) -#define PMBUS_VIRT_RESET_PIN_HISTORY (PMBUS_VIRT_BASE + 14) -#define PMBUS_VIRT_READ_POUT_AVG (PMBUS_VIRT_BASE + 15) -#define PMBUS_VIRT_READ_POUT_MAX (PMBUS_VIRT_BASE + 16) -#define PMBUS_VIRT_RESET_POUT_HISTORY (PMBUS_VIRT_BASE + 17) -#define PMBUS_VIRT_READ_VOUT_AVG (PMBUS_VIRT_BASE + 18) -#define PMBUS_VIRT_READ_VOUT_MIN (PMBUS_VIRT_BASE + 19) -#define PMBUS_VIRT_READ_VOUT_MAX (PMBUS_VIRT_BASE + 20) -#define PMBUS_VIRT_RESET_VOUT_HISTORY (PMBUS_VIRT_BASE + 21) -#define PMBUS_VIRT_READ_IOUT_AVG (PMBUS_VIRT_BASE + 22) -#define PMBUS_VIRT_READ_IOUT_MIN (PMBUS_VIRT_BASE + 23) -#define PMBUS_VIRT_READ_IOUT_MAX (PMBUS_VIRT_BASE + 24) -#define PMBUS_VIRT_RESET_IOUT_HISTORY (PMBUS_VIRT_BASE + 25) -#define PMBUS_VIRT_READ_TEMP2_AVG (PMBUS_VIRT_BASE + 26) -#define PMBUS_VIRT_READ_TEMP2_MIN (PMBUS_VIRT_BASE + 27) -#define PMBUS_VIRT_READ_TEMP2_MAX (PMBUS_VIRT_BASE + 28) -#define PMBUS_VIRT_RESET_TEMP2_HISTORY (PMBUS_VIRT_BASE + 29) - -#define PMBUS_VIRT_READ_VMON (PMBUS_VIRT_BASE + 30) -#define PMBUS_VIRT_VMON_UV_WARN_LIMIT (PMBUS_VIRT_BASE + 31) -#define PMBUS_VIRT_VMON_OV_WARN_LIMIT (PMBUS_VIRT_BASE + 32) -#define PMBUS_VIRT_VMON_UV_FAULT_LIMIT (PMBUS_VIRT_BASE + 33) -#define PMBUS_VIRT_VMON_OV_FAULT_LIMIT (PMBUS_VIRT_BASE + 34) -#define PMBUS_VIRT_STATUS_VMON (PMBUS_VIRT_BASE + 35) + PMBUS_VIRT_BASE = 0x100, + PMBUS_VIRT_READ_TEMP_AVG, + PMBUS_VIRT_READ_TEMP_MIN, + PMBUS_VIRT_READ_TEMP_MAX, + PMBUS_VIRT_RESET_TEMP_HISTORY, + PMBUS_VIRT_READ_VIN_AVG, + PMBUS_VIRT_READ_VIN_MIN, + PMBUS_VIRT_READ_VIN_MAX, + PMBUS_VIRT_RESET_VIN_HISTORY, + PMBUS_VIRT_READ_IIN_AVG, + PMBUS_VIRT_READ_IIN_MIN, + PMBUS_VIRT_READ_IIN_MAX, + PMBUS_VIRT_RESET_IIN_HISTORY, + PMBUS_VIRT_READ_PIN_AVG, + PMBUS_VIRT_READ_PIN_MIN, + PMBUS_VIRT_READ_PIN_MAX, + PMBUS_VIRT_RESET_PIN_HISTORY, + PMBUS_VIRT_READ_POUT_AVG, + PMBUS_VIRT_READ_POUT_MIN, + PMBUS_VIRT_READ_POUT_MAX, + PMBUS_VIRT_RESET_POUT_HISTORY, + PMBUS_VIRT_READ_VOUT_AVG, + PMBUS_VIRT_READ_VOUT_MIN, + PMBUS_VIRT_READ_VOUT_MAX, + PMBUS_VIRT_RESET_VOUT_HISTORY, + PMBUS_VIRT_READ_IOUT_AVG, + PMBUS_VIRT_READ_IOUT_MIN, + PMBUS_VIRT_READ_IOUT_MAX, + PMBUS_VIRT_RESET_IOUT_HISTORY, + PMBUS_VIRT_READ_TEMP2_AVG, + PMBUS_VIRT_READ_TEMP2_MIN, + PMBUS_VIRT_READ_TEMP2_MAX, + PMBUS_VIRT_RESET_TEMP2_HISTORY, + + PMBUS_VIRT_READ_VMON, + PMBUS_VIRT_VMON_UV_WARN_LIMIT, + PMBUS_VIRT_VMON_OV_WARN_LIMIT, + PMBUS_VIRT_VMON_UV_FAULT_LIMIT, + PMBUS_VIRT_VMON_OV_FAULT_LIMIT, + PMBUS_VIRT_STATUS_VMON, +}; /* * OPERATION */ -#define PB_OPERATION_CONTROL_ON (1<<7) +#define PB_OPERATION_CONTROL_ON BIT(7) /* * CAPABILITY */ -#define PB_CAPABILITY_SMBALERT (1<<4) -#define PB_CAPABILITY_ERROR_CHECK (1<<7) +#define PB_CAPABILITY_SMBALERT BIT(4) +#define PB_CAPABILITY_ERROR_CHECK BIT(7) /* * VOUT_MODE @@ -211,94 +216,94 @@ /* * Fan configuration */ -#define PB_FAN_2_PULSE_MASK ((1 << 0) | (1 << 1)) -#define PB_FAN_2_RPM (1 << 2) -#define PB_FAN_2_INSTALLED (1 << 3) -#define PB_FAN_1_PULSE_MASK ((1 << 4) | (1 << 5)) -#define PB_FAN_1_RPM (1 << 6) -#define PB_FAN_1_INSTALLED (1 << 7) +#define PB_FAN_2_PULSE_MASK (BIT(0) | BIT(1)) +#define PB_FAN_2_RPM BIT(2) +#define PB_FAN_2_INSTALLED BIT(3) +#define PB_FAN_1_PULSE_MASK (BIT(4) | BIT(5)) +#define PB_FAN_1_RPM BIT(6) +#define PB_FAN_1_INSTALLED BIT(7) /* * STATUS_BYTE, STATUS_WORD (lower) */ -#define PB_STATUS_NONE_ABOVE (1<<0) -#define PB_STATUS_CML (1<<1) -#define PB_STATUS_TEMPERATURE (1<<2) -#define PB_STATUS_VIN_UV (1<<3) -#define PB_STATUS_IOUT_OC (1<<4) -#define PB_STATUS_VOUT_OV (1<<5) -#define PB_STATUS_OFF (1<<6) -#define PB_STATUS_BUSY (1<<7) +#define PB_STATUS_NONE_ABOVE BIT(0) +#define PB_STATUS_CML BIT(1) +#define PB_STATUS_TEMPERATURE BIT(2) +#define PB_STATUS_VIN_UV BIT(3) +#define PB_STATUS_IOUT_OC BIT(4) +#define PB_STATUS_VOUT_OV BIT(5) +#define PB_STATUS_OFF BIT(6) +#define PB_STATUS_BUSY BIT(7) /* * STATUS_WORD (upper) */ -#define PB_STATUS_UNKNOWN (1<<8) -#define PB_STATUS_OTHER (1<<9) -#define PB_STATUS_FANS (1<<10) -#define PB_STATUS_POWER_GOOD_N (1<<11) -#define PB_STATUS_WORD_MFR (1<<12) -#define PB_STATUS_INPUT (1<<13) -#define PB_STATUS_IOUT_POUT (1<<14) -#define PB_STATUS_VOUT (1<<15) +#define PB_STATUS_UNKNOWN BIT(8) +#define PB_STATUS_OTHER BIT(9) +#define PB_STATUS_FANS BIT(10) +#define PB_STATUS_POWER_GOOD_N BIT(11) +#define PB_STATUS_WORD_MFR BIT(12) +#define PB_STATUS_INPUT BIT(13) +#define PB_STATUS_IOUT_POUT BIT(14) +#define PB_STATUS_VOUT BIT(15) /* * STATUS_IOUT */ -#define PB_POUT_OP_WARNING (1<<0) -#define PB_POUT_OP_FAULT (1<<1) -#define PB_POWER_LIMITING (1<<2) -#define PB_CURRENT_SHARE_FAULT (1<<3) -#define PB_IOUT_UC_FAULT (1<<4) -#define PB_IOUT_OC_WARNING (1<<5) -#define PB_IOUT_OC_LV_FAULT (1<<6) -#define PB_IOUT_OC_FAULT (1<<7) +#define PB_POUT_OP_WARNING BIT(0) +#define PB_POUT_OP_FAULT BIT(1) +#define PB_POWER_LIMITING BIT(2) +#define PB_CURRENT_SHARE_FAULT BIT(3) +#define PB_IOUT_UC_FAULT BIT(4) +#define PB_IOUT_OC_WARNING BIT(5) +#define PB_IOUT_OC_LV_FAULT BIT(6) +#define PB_IOUT_OC_FAULT BIT(7) /* * STATUS_VOUT, STATUS_INPUT */ -#define PB_VOLTAGE_UV_FAULT (1<<4) -#define PB_VOLTAGE_UV_WARNING (1<<5) -#define PB_VOLTAGE_OV_WARNING (1<<6) -#define PB_VOLTAGE_OV_FAULT (1<<7) +#define PB_VOLTAGE_UV_FAULT BIT(4) +#define PB_VOLTAGE_UV_WARNING BIT(5) +#define PB_VOLTAGE_OV_WARNING BIT(6) +#define PB_VOLTAGE_OV_FAULT BIT(7) /* * STATUS_INPUT */ -#define PB_PIN_OP_WARNING (1<<0) -#define PB_IIN_OC_WARNING (1<<1) -#define PB_IIN_OC_FAULT (1<<2) +#define PB_PIN_OP_WARNING BIT(0) +#define PB_IIN_OC_WARNING BIT(1) +#define PB_IIN_OC_FAULT BIT(2) /* * STATUS_TEMPERATURE */ -#define PB_TEMP_UT_FAULT (1<<4) -#define PB_TEMP_UT_WARNING (1<<5) -#define PB_TEMP_OT_WARNING (1<<6) -#define PB_TEMP_OT_FAULT (1<<7) +#define PB_TEMP_UT_FAULT BIT(4) +#define PB_TEMP_UT_WARNING BIT(5) +#define PB_TEMP_OT_WARNING BIT(6) +#define PB_TEMP_OT_FAULT BIT(7) /* * STATUS_FAN */ -#define PB_FAN_AIRFLOW_WARNING (1<<0) -#define PB_FAN_AIRFLOW_FAULT (1<<1) -#define PB_FAN_FAN2_SPEED_OVERRIDE (1<<2) -#define PB_FAN_FAN1_SPEED_OVERRIDE (1<<3) -#define PB_FAN_FAN2_WARNING (1<<4) -#define PB_FAN_FAN1_WARNING (1<<5) -#define PB_FAN_FAN2_FAULT (1<<6) -#define PB_FAN_FAN1_FAULT (1<<7) +#define PB_FAN_AIRFLOW_WARNING BIT(0) +#define PB_FAN_AIRFLOW_FAULT BIT(1) +#define PB_FAN_FAN2_SPEED_OVERRIDE BIT(2) +#define PB_FAN_FAN1_SPEED_OVERRIDE BIT(3) +#define PB_FAN_FAN2_WARNING BIT(4) +#define PB_FAN_FAN1_WARNING BIT(5) +#define PB_FAN_FAN2_FAULT BIT(6) +#define PB_FAN_FAN1_FAULT BIT(7) /* * CML_FAULT_STATUS */ -#define PB_CML_FAULT_OTHER_MEM_LOGIC (1<<0) -#define PB_CML_FAULT_OTHER_COMM (1<<1) -#define PB_CML_FAULT_PROCESSOR (1<<3) -#define PB_CML_FAULT_MEMORY (1<<4) -#define PB_CML_FAULT_PACKET_ERROR (1<<5) -#define PB_CML_FAULT_INVALID_DATA (1<<6) -#define PB_CML_FAULT_INVALID_COMMAND (1<<7) +#define PB_CML_FAULT_OTHER_MEM_LOGIC BIT(0) +#define PB_CML_FAULT_OTHER_COMM BIT(1) +#define PB_CML_FAULT_PROCESSOR BIT(3) +#define PB_CML_FAULT_MEMORY BIT(4) +#define PB_CML_FAULT_PACKET_ERROR BIT(5) +#define PB_CML_FAULT_INVALID_DATA BIT(6) +#define PB_CML_FAULT_INVALID_COMMAND BIT(7) enum pmbus_sensor_classes { PSC_VOLTAGE_IN = 0, @@ -314,32 +319,34 @@ enum pmbus_sensor_classes { #define PMBUS_PAGES 32 /* Per PMBus specification */ /* Functionality bit mask */ -#define PMBUS_HAVE_VIN (1 << 0) -#define PMBUS_HAVE_VCAP (1 << 1) -#define PMBUS_HAVE_VOUT (1 << 2) -#define PMBUS_HAVE_IIN (1 << 3) -#define PMBUS_HAVE_IOUT (1 << 4) -#define PMBUS_HAVE_PIN (1 << 5) -#define PMBUS_HAVE_POUT (1 << 6) -#define PMBUS_HAVE_FAN12 (1 << 7) -#define PMBUS_HAVE_FAN34 (1 << 8) -#define PMBUS_HAVE_TEMP (1 << 9) -#define PMBUS_HAVE_TEMP2 (1 << 10) -#define PMBUS_HAVE_TEMP3 (1 << 11) -#define PMBUS_HAVE_STATUS_VOUT (1 << 12) -#define PMBUS_HAVE_STATUS_IOUT (1 << 13) -#define PMBUS_HAVE_STATUS_INPUT (1 << 14) -#define PMBUS_HAVE_STATUS_TEMP (1 << 15) -#define PMBUS_HAVE_STATUS_FAN12 (1 << 16) -#define PMBUS_HAVE_STATUS_FAN34 (1 << 17) -#define PMBUS_HAVE_VMON (1 << 18) -#define PMBUS_HAVE_STATUS_VMON (1 << 19) +#define PMBUS_HAVE_VIN BIT(0) +#define PMBUS_HAVE_VCAP BIT(1) +#define PMBUS_HAVE_VOUT BIT(2) +#define PMBUS_HAVE_IIN BIT(3) +#define PMBUS_HAVE_IOUT BIT(4) +#define PMBUS_HAVE_PIN BIT(5) +#define PMBUS_HAVE_POUT BIT(6) +#define PMBUS_HAVE_FAN12 BIT(7) +#define PMBUS_HAVE_FAN34 BIT(8) +#define PMBUS_HAVE_TEMP BIT(9) +#define PMBUS_HAVE_TEMP2 BIT(10) +#define PMBUS_HAVE_TEMP3 BIT(11) +#define PMBUS_HAVE_STATUS_VOUT BIT(12) +#define PMBUS_HAVE_STATUS_IOUT BIT(13) +#define PMBUS_HAVE_STATUS_INPUT BIT(14) +#define PMBUS_HAVE_STATUS_TEMP BIT(15) +#define PMBUS_HAVE_STATUS_FAN12 BIT(16) +#define PMBUS_HAVE_STATUS_FAN34 BIT(17) +#define PMBUS_HAVE_VMON BIT(18) +#define PMBUS_HAVE_STATUS_VMON BIT(19) enum pmbus_data_format { linear = 0, direct, vid }; +enum vrm_version { vr11 = 0, vr12 }; struct pmbus_driver_info { int pages; /* Total number of pages */ enum pmbus_data_format format[PSC_NUM_CLASSES]; + enum vrm_version vrm_version; /* * Support one set of coefficients for each sensor type * Used for chips providing data in direct mode. @@ -380,7 +387,7 @@ struct pmbus_driver_info { /* Regulator ops */ -extern struct regulator_ops pmbus_regulator_ops; +extern const struct regulator_ops pmbus_regulator_ops; /* Macro for filling in array of struct regulator_desc */ #define PMBUS_REGULATOR(_name, _id) \ @@ -390,6 +397,7 @@ extern struct regulator_ops pmbus_regulator_ops; .of_match = of_match_ptr(_name # _id), \ .regulators_node = of_match_ptr("regulators"), \ .ops = &pmbus_regulator_ops, \ + .type = REGULATOR_VOLTAGE, \ .owner = THIS_MODULE, \ } diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index f2e47c7dd808..ba59eaef2e07 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -515,16 +515,24 @@ static long pmbus_reg2data_direct(struct pmbus_data *data, /* * Convert VID sensor values to milli- or micro-units * depending on sensor type. - * We currently only support VR11. */ static long pmbus_reg2data_vid(struct pmbus_data *data, struct pmbus_sensor *sensor) { long val = sensor->data; + long rv = 0; - if (val < 0x02 || val > 0xb2) - return 0; - return DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100); + switch (data->info->vrm_version) { + case vr11: + if (val >= 0x02 && val <= 0xb2) + rv = DIV_ROUND_CLOSEST(160000 - (val - 2) * 625, 100); + break; + case vr12: + if (val >= 0x01) + rv = 250 + (val - 1) * 5; + break; + } + return rv; } static long pmbus_reg2data(struct pmbus_data *data, struct pmbus_sensor *sensor) @@ -1329,6 +1337,10 @@ static const struct pmbus_limit_attr pin_limit_attrs[] = { .update = true, .attr = "average", }, { + .reg = PMBUS_VIRT_READ_PIN_MIN, + .update = true, + .attr = "input_lowest", + }, { .reg = PMBUS_VIRT_READ_PIN_MAX, .update = true, .attr = "input_highest", @@ -1359,6 +1371,10 @@ static const struct pmbus_limit_attr pout_limit_attrs[] = { .update = true, .attr = "average", }, { + .reg = PMBUS_VIRT_READ_POUT_MIN, + .update = true, + .attr = "input_lowest", + }, { .reg = PMBUS_VIRT_READ_POUT_MAX, .update = true, .attr = "input_highest", @@ -1735,6 +1751,11 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data, } } + /* Enable PEC if the controller supports it */ + ret = i2c_smbus_read_byte_data(client, PMBUS_CAPABILITY); + if (ret >= 0 && (ret & PB_CAPABILITY_ERROR_CHECK)) + client->flags |= I2C_CLIENT_PEC; + pmbus_clear_faults(client); if (info->identify) { @@ -1796,7 +1817,7 @@ static int pmbus_regulator_disable(struct regulator_dev *rdev) return _pmbus_regulator_on_off(rdev, 0); } -struct regulator_ops pmbus_regulator_ops = { +const struct regulator_ops pmbus_regulator_ops = { .enable = pmbus_regulator_enable, .disable = pmbus_regulator_disable, .is_enabled = pmbus_regulator_is_enabled, diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c index 819644121259..771802d7e20d 100644 --- a/drivers/hwmon/pmbus/zl6100.c +++ b/drivers/hwmon/pmbus/zl6100.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/bitops.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -44,16 +45,16 @@ struct zl6100_data { #define ZL6100_MFR_CONFIG 0xd0 #define ZL6100_DEVICE_ID 0xe4 -#define ZL6100_MFR_XTEMP_ENABLE (1 << 7) +#define ZL6100_MFR_XTEMP_ENABLE BIT(7) #define MFR_VMON_OV_FAULT_LIMIT 0xf5 #define MFR_VMON_UV_FAULT_LIMIT 0xf6 #define MFR_READ_VMON 0xf7 -#define VMON_UV_WARNING (1 << 5) -#define VMON_OV_WARNING (1 << 4) -#define VMON_UV_FAULT (1 << 1) -#define VMON_OV_FAULT (1 << 0) +#define VMON_UV_WARNING BIT(5) +#define VMON_OV_WARNING BIT(4) +#define VMON_UV_FAULT BIT(1) +#define VMON_OV_FAULT BIT(0) #define ZL6100_WAIT_TIME 1000 /* uS */ diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 497a7f822a12..a2fdbb7d20ed 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -33,6 +33,7 @@ #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/atomic.h> +#include <linux/bitrev.h> /* Commands */ #define SHT15_MEASURE_TEMP 0x03 @@ -173,19 +174,6 @@ struct sht15_data { }; /** - * sht15_reverse() - reverse a byte - * @byte: byte to reverse. - */ -static u8 sht15_reverse(u8 byte) -{ - u8 i, c; - - for (c = 0, i = 0; i < 8; i++) - c |= (!!(byte & (1 << i))) << (7 - i); - return c; -} - -/** * sht15_crc8() - compute crc8 * @data: sht15 specific data. * @value: sht15 retrieved data. @@ -196,7 +184,7 @@ static u8 sht15_crc8(struct sht15_data *data, const u8 *value, int len) { - u8 crc = sht15_reverse(data->val_status & 0x0F); + u8 crc = bitrev8(data->val_status & 0x0F); while (len--) { crc = sht15_crc8_table[*value ^ crc]; @@ -477,7 +465,7 @@ static int sht15_update_status(struct sht15_data *data) if (data->checksumming) { sht15_ack(data); - dev_checksum = sht15_reverse(sht15_read_byte(data)); + dev_checksum = bitrev8(sht15_read_byte(data)); checksum_vals[0] = SHT15_READ_STATUS; checksum_vals[1] = status; data->checksum_ok = (sht15_crc8(data, checksum_vals, 2) @@ -864,7 +852,7 @@ static void sht15_bh_read_data(struct work_struct *work_s) */ if (sht15_ack(data)) goto wakeup; - dev_checksum = sht15_reverse(sht15_read_byte(data)); + dev_checksum = bitrev8(sht15_read_byte(data)); checksum_vals[0] = (data->state == SHT15_READING_TEMP) ? SHT15_MEASURE_TEMP : SHT15_MEASURE_RH; checksum_vals[1] = (u8) (val >> 8); |