Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/cleanup
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/cleanup:
defconfig reduction
kbuild: drop unifdef-y support
archs: replace unifdef-y with header-y
include: replace unifdef-y with header-y
diff --git a/Documentation/hwmon/emc2103 b/Documentation/hwmon/emc2103
new file mode 100644
index 0000000..a12b2c1
--- /dev/null
+++ b/Documentation/hwmon/emc2103
@@ -0,0 +1,33 @@
+Kernel driver emc2103
+======================
+
+Supported chips:
+ * SMSC EMC2103
+ Addresses scanned: I2C 0x2e
+ Prefix: 'emc2103'
+ Datasheet: Not public
+
+Authors:
+ Steve Glendinning <steve.glendinning@smsc.com>
+
+Description
+-----------
+
+The Standard Microsystems Corporation (SMSC) EMC2103 chips
+contain up to 4 temperature sensors and a single fan controller.
+
+Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
+triggered if the rotation speed has dropped below a programmable limit. Fan
+readings can be divided by a programmable divider (1, 2, 4 or 8) to give
+the readings more range or accuracy. Not all RPM values can accurately be
+represented, so some rounding is done. With a divider of 1, the lowest
+representable value is 480 RPM.
+
+This driver supports RPM based control, to use this a fan target
+should be written to fan1_target and pwm1_enable should be set to 3.
+
+The 2103-2 and 2103-4 variants have a third temperature sensor, which can
+be connected to two anti-parallel diodes. These values can be read
+as temp3 and temp4. If only one diode is attached to this channel, temp4
+will show as "fault". The module parameter "apd=0" can be used to suppress
+this 4th channel when anti-parallel diodes are not fitted.
diff --git a/Documentation/hwmon/ltc4245 b/Documentation/hwmon/ltc4245
index 86b5880..b478b08 100644
--- a/Documentation/hwmon/ltc4245
+++ b/Documentation/hwmon/ltc4245
@@ -72,9 +72,31 @@
in7_min_alarm 3v output undervoltage alarm
in8_min_alarm Vee (-12v) output undervoltage alarm
-in9_input GPIO voltage data
+in9_input GPIO voltage data (see note 1)
+in10_input GPIO voltage data (see note 1)
+in11_input GPIO voltage data (see note 1)
power1_input 12v power usage (mW)
power2_input 5v power usage (mW)
power3_input 3v power usage (mW)
power4_input Vee (-12v) power usage (mW)
+
+
+Note 1
+------
+
+If you have NOT configured the driver to sample all GPIO pins as analog
+voltages, then the in10_input and in11_input sysfs attributes will not be
+created. The driver will sample the GPIO pin that is currently connected to the
+ADC as an analog voltage, and report the value in in9_input.
+
+If you have configured the driver to sample all GPIO pins as analog voltages,
+then they will be sampled in round-robin fashion. If userspace reads too
+slowly, -EAGAIN will be returned when you read the sysfs attribute containing
+the sensor reading.
+
+The LTC4245 chip can be configured to sample all GPIO pins with two methods:
+1) platform data -- see include/linux/i2c/ltc4245.h
+2) OF device tree -- add the "ltc4245,use-extra-gpios" property to each chip
+
+The default mode of operation is to sample a single GPIO pin.
diff --git a/Documentation/hwmon/pc87427 b/Documentation/hwmon/pc87427
index db5cc12..8fdd08c 100644
--- a/Documentation/hwmon/pc87427
+++ b/Documentation/hwmon/pc87427
@@ -18,10 +18,11 @@
The National Semiconductor Super I/O chip includes complete hardware
monitoring capabilities. It can monitor up to 18 voltages, 8 fans and
-6 temperature sensors. Only the fans are supported at the moment.
+6 temperature sensors. Only the fans and temperatures are supported at
+the moment, voltages aren't.
-This chip also has fan controlling features, which are not yet supported
-by this driver either.
+This chip also has fan controlling features (up to 4 PWM outputs),
+which are partly supported by this driver.
The driver assumes that no more than one chip is present, which seems
reasonable.
@@ -36,3 +37,23 @@
An alarm is triggered if the rotation speed drops below a programmable
limit. Another alarm is triggered if the speed is too low to be measured
(including stalled or missing fan).
+
+
+Fan Speed Control
+-----------------
+
+Fan speed can be controlled by PWM outputs. There are 4 possible modes:
+always off, always on, manual and automatic. The latter isn't supported
+by the driver: you can only return to that mode if it was the original
+setting, and the configuration interface is missing.
+
+
+Temperature Monitoring
+----------------------
+
+The PC87427 relies on external sensors (following the SensorPath
+standard), so the resolution and range depend on the type of sensor
+connected. The integer part can be 8-bit or 9-bit, and can be signed or
+not. I couldn't find a way to figure out the external sensor data
+temperature format, so user-space adjustment (typically by a factor 2)
+may be required.
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index d4e2917..ff45d1f 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -107,10 +107,24 @@
Unit: millivolt
RW
+in[0-*]_lcrit Voltage critical min value.
+ Unit: millivolt
+ RW
+ If voltage drops to or below this limit, the system may
+ take drastic action such as power down or reset. At the very
+ least, it should report a fault.
+
in[0-*]_max Voltage max value.
Unit: millivolt
RW
+in[0-*]_crit Voltage critical max value.
+ Unit: millivolt
+ RW
+ If voltage reaches or exceeds this limit, the system may
+ take drastic action such as power down or reset. At the very
+ least, it should report a fault.
+
in[0-*]_input Voltage input value.
Unit: millivolt
RO
@@ -284,7 +298,7 @@
Unit: millidegree Celsius
RO
-temp[1-*]_crit Temperature critical value, typically greater than
+temp[1-*]_crit Temperature critical max value, typically greater than
corresponding temp_max values.
Unit: millidegree Celsius
RW
@@ -296,6 +310,11 @@
from the critical value.
RW
+temp[1-*]_lcrit Temperature critical min value, typically lower than
+ corresponding temp_min values.
+ Unit: millidegree Celsius
+ RW
+
temp[1-*]_offset
Temperature offset which is added to the temperature reading
by the chip.
@@ -344,9 +363,6 @@
* Currents *
************
-Note that no known chip provides current measurements as of writing,
-so this part is theoretical, so to say.
-
curr[1-*]_max Current max value
Unit: milliampere
RW
@@ -471,6 +487,7 @@
implementation.
in[0-*]_alarm
+curr[1-*]_alarm
fan[1-*]_alarm
temp[1-*]_alarm
Channel alarm
@@ -482,6 +499,8 @@
in[0-*]_min_alarm
in[0-*]_max_alarm
+curr[1-*]_min_alarm
+curr[1-*]_max_alarm
fan[1-*]_min_alarm
fan[1-*]_max_alarm
temp[1-*]_min_alarm
@@ -497,7 +516,6 @@
supports it. When this boolean has value 1, the measurement for that
channel should not be trusted.
-in[0-*]_fault
fan[1-*]_fault
temp[1-*]_fault
Input fault condition
@@ -513,6 +531,7 @@
RW
in[0-*]_beep
+curr[1-*]_beep
fan[1-*]_beep
temp[1-*]_beep
Channel beep
diff --git a/Documentation/hwmon/w83627ehf b/Documentation/hwmon/w83627ehf
index b7e42ec..13d5561 100644
--- a/Documentation/hwmon/w83627ehf
+++ b/Documentation/hwmon/w83627ehf
@@ -20,6 +20,10 @@
Prefix: 'w83667hg'
Addresses scanned: ISA address retrieved from Super I/O registers
Datasheet: not available
+ * Winbond W83667HG-B
+ Prefix: 'w83667hg'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: Available from Nuvoton upon request
Authors:
Jean Delvare <khali@linux-fr.org>
@@ -32,8 +36,8 @@
-----------
This driver implements support for the Winbond W83627EHF, W83627EHG,
-W83627DHG, W83627DHG-P and W83667HG super I/O chips. We will refer to them
-collectively as Winbond chips.
+W83627DHG, W83627DHG-P, W83667HG and W83667HG-B super I/O chips.
+We will refer to them collectively as Winbond chips.
The chips implement three temperature sensors, five fan rotation
speed sensors, ten analog voltage sensors (only nine for the 627DHG), one
@@ -68,14 +72,15 @@
temp1 -> pwm1
temp2 -> pwm2
temp3 -> pwm3
-prog -> pwm4 (not on 667HG; the programmable setting is not supported by
- the driver)
+prog -> pwm4 (not on 667HG and 667HG-B; the programmable setting is not
+ supported by the driver)
/sys files
----------
name - this is a standard hwmon device entry. For the W83627EHF and W83627EHG,
- it is set to "w83627ehf" and for the W83627DHG it is set to "w83627dhg"
+ it is set to "w83627ehf", for the W83627DHG it is set to "w83627dhg",
+ and for the W83667HG it is set to "w83667hg".
pwm[1-4] - this file stores PWM duty cycle or DC value (fan speed) in range:
0 (stop) to 255 (full)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 873b680..4956686 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -88,8 +88,8 @@
RAM RAM disk support is enabled.
S390 S390 architecture is enabled.
SCSI Appropriate SCSI support is enabled.
- A lot of drivers has their options described inside of
- Documentation/scsi/.
+ A lot of drivers have their options described inside
+ the Documentation/scsi/ sub-directory.
SECURITY Different security models are enabled.
SELINUX SELinux support is enabled.
APPARMOR AppArmor support is enabled.
@@ -284,27 +284,12 @@
add_efi_memmap [EFI; X86] Include EFI memory map in
kernel's map of available physical RAM.
- advansys= [HW,SCSI]
- See header of drivers/scsi/advansys.c.
-
agp= [AGP]
{ off | try_unsupported }
off: disable AGP support
try_unsupported: try to drive unsupported chipsets
(may crash computer or cause data corruption)
- aha152x= [HW,SCSI]
- See Documentation/scsi/aha152x.txt.
-
- aha1542= [HW,SCSI]
- Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]
-
- aic7xxx= [HW,SCSI]
- See Documentation/scsi/aic7xxx.txt.
-
- aic79xx= [HW,SCSI]
- See Documentation/scsi/aic79xx.txt.
-
ALSA [HW,ALSA]
See Documentation/sound/alsa/alsa-parameters.txt
@@ -368,8 +353,6 @@
atarimouse= [HW,MOUSE] Atari Mouse
- atascsi= [HW,SCSI] Atari SCSI
-
atkbd.extra= [HW] Enable extra LEDs and keys on IBM RapidAccess,
EzKey and similar keyboards
@@ -419,10 +402,6 @@
bttv.pll= See Documentation/video4linux/bttv/Insmod-options
bttv.tuner= and Documentation/video4linux/bttv/CARDLIST
- BusLogic= [HW,SCSI]
- See drivers/scsi/BusLogic.c, comment before function
- BusLogic_ParseDriverOptions().
-
c101= [NET] Moxa C101 synchronous serial card
cachesize= [BUGS=X86-32] Override level 2 CPU cache size detection.
@@ -671,8 +650,6 @@
dscc4.setup= [NET]
- dtc3181e= [HW,SCSI]
-
dynamic_printk Enables pr_debug()/dev_dbg() calls if
CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled.
These can also be switched on/off via
@@ -713,8 +690,6 @@
This is desgined to be used in conjunction with
the boot argument: earlyprintk=vga
- eata= [HW,SCSI]
-
edd= [EDD]
Format: {"off" | "on" | "skip[mbr]"}
@@ -770,12 +745,6 @@
Format: <interval>,<probability>,<space>,<times>
See also /Documentation/fault-injection/.
- fd_mcs= [HW,SCSI]
- See header of drivers/scsi/fd_mcs.c.
-
- fdomain= [HW,SCSI]
- See header of drivers/scsi/fdomain.c.
-
floppy= [HW]
See Documentation/blockdev/floppy.txt.
@@ -835,14 +804,9 @@
When zero, profiling data is discarded and associated
debugfs files are removed at module unload time.
- gdth= [HW,SCSI]
- See header of drivers/scsi/gdth.c.
-
gpt [EFI] Forces disk with valid GPT signature but
invalid Protective MBR to be treated as GPT.
- gvp11= [HW,SCSI]
-
hashdist= [KNL,NUMA] Large hashes allocated during boot
are distributed across NUMA nodes. Defaults on
for 64bit NUMA, off otherwise.
@@ -931,9 +895,6 @@
i8k.restricted [HW] Allow controlling fans only if SYS_ADMIN
capability is set.
- ibmmcascsi= [HW,MCA,SCSI] IBM MicroChannel SCSI adapter
- See Documentation/mca.txt.
-
icn= [HW,ISDN]
Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
@@ -983,9 +944,6 @@
programs exec'd, files mmap'd for exec, and all files
opened for read by uid=0.
- in2000= [HW,SCSI]
- See header of drivers/scsi/in2000.c.
-
init= [KNL]
Format: <full_path>
Run specified binary instead of /sbin/init as init
@@ -1063,9 +1021,6 @@
See comment before ip2_setup() in
drivers/char/ip2/ip2base.c.
- ips= [HW,SCSI] Adaptec / IBM ServeRAID controller
- See header of drivers/scsi/ips.c.
-
irqfixup [HW]
When an interrupt is not handled search all handlers
for it. Intended to get systems with badly broken
@@ -1341,9 +1296,6 @@
ltpc= [NET]
Format: <io>,<irq>,<dma>
- mac5380= [HW,SCSI] Format:
- <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags>
-
machvec= [IA64] Force the use of a particular machine-vector
(machvec) in a generic kernel.
Example: machvec=hpzx1_swiotlb
@@ -1365,13 +1317,6 @@
be mounted
Format: <1-256>
- max_luns= [SCSI] Maximum number of LUNs to probe.
- Should be between 1 and 2^32-1.
-
- max_report_luns=
- [SCSI] Maximum number of LUNs received.
- Should be between 1 and 16384.
-
mcatest= [IA-64]
mce [X86-32] Machine Check Exception
@@ -1568,19 +1513,6 @@
n2= [NET] SDL Inc. RISCom/N2 synchronous serial card
- NCR_D700= [HW,SCSI]
- See header of drivers/scsi/NCR_D700.c.
-
- ncr5380= [HW,SCSI]
-
- ncr53c400= [HW,SCSI]
-
- ncr53c400a= [HW,SCSI]
-
- ncr53c406a= [HW,SCSI]
-
- ncr53c8xx= [HW,SCSI]
-
netdev= [NET] Network devices parameters
Format: <irq>,<io>,<mem_start>,<mem_end>,<name>
Note that mem_start is often overloaded to mean
@@ -1859,10 +1791,6 @@
OSS [HW,OSS]
See Documentation/sound/oss/oss-parameters.txt
- osst= [HW,SCSI] SCSI Tape Driver
- Format: <buffer_size>,<write_threshold>
- See also Documentation/scsi/st.txt.
-
panic= [KNL] Kernel behaviour on panic
Format: <timeout>
@@ -1895,9 +1823,6 @@
Currently this function knows 686a and 8231 chips.
Format: [spp|ps2|epp|ecp|ecpepp]
- pas16= [HW,SCSI]
- See header of drivers/scsi/pas16.c.
-
pause_on_oops=
Halt all CPUs after the first oops has been printed for
the specified number of seconds. This is to be used if
@@ -2264,30 +2189,6 @@
sched_debug [KNL] Enables verbose scheduler debug messages.
- scsi_debug_*= [SCSI]
- See drivers/scsi/scsi_debug.c.
-
- scsi_default_dev_flags=
- [SCSI] SCSI default device flags
- Format: <integer>
-
- scsi_dev_flags= [SCSI] Black/white list entry for vendor and model
- Format: <vendor>:<model>:<flags>
- (flags are integer value)
-
- scsi_logging_level= [SCSI] a bit mask of logging levels
- See drivers/scsi/scsi_logging.h for bits. Also
- settable via sysctl at dev.scsi.logging_level
- (/proc/sys/dev/scsi/logging_level).
- There is also a nice 'scsi_logging_level' script in the
- S390-tools package, available for download at
- http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html
-
- scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
- discovered. async scans them in kernel threads,
- allowing boot to proceed. none ignores them, expecting
- user space to do the scan.
-
security= [SECURITY] Choose a security module to enable at boot.
If this boot parameter is not specified, only the first
security module asking for security registration will be
@@ -2321,9 +2222,6 @@
The parameter means the number of CPUs to show,
for example 1 means boot CPU only.
- sim710= [SCSI,HW]
- See header of drivers/scsi/sim710.c.
-
simeth= [IA-64]
simscsi=
@@ -2395,9 +2293,6 @@
spia_pedr=
spia_peddr=
- st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
- See Documentation/scsi/st.txt.
-
stacktrace [FTRACE]
Enabled the stack tracer on boot up.
@@ -2455,18 +2350,12 @@
switches= [HW,M68k]
- sym53c416= [HW,SCSI]
- See header of drivers/scsi/sym53c416.c.
-
sysrq_always_enabled
[KNL]
Ignore sysrq setting - this boot parameter will
neutralize any effect of /proc/sys/kernel/sysrq.
Useful for debugging.
- t128= [HW,SCSI]
- See header of drivers/scsi/t128.c.
-
tdfx= [HW,DRM]
test_suspend= [SUSPEND]
@@ -2503,10 +2392,6 @@
<deci-seconds>: poll all this frequency
0: no polling (default)
- tmscsim= [HW,SCSI]
- See comment before function dc390_setup() in
- drivers/scsi/tmscsim.c.
-
topology= [S390]
Format: {off | on}
Specify if the kernel should make use of the cpu
@@ -2547,9 +2432,6 @@
<port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7>
See also Documentation/input/joystick-parport.txt
- u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter
- See header of drivers/scsi/u14-34f.c.
-
uhash_entries= [KNL,NET]
Set number of hash buckets for UDP/UDP-Lite connections
@@ -2715,12 +2597,6 @@
overridden by individual drivers. 0 will hide
cursors, 1 will display them.
- wd33c93= [HW,SCSI]
- See header of drivers/scsi/wd33c93.c.
-
- wd7000= [HW,SCSI]
- See header of drivers/scsi/wd7000.c.
-
watchdog timers [HW,WDT] For information on watchdog timers,
see Documentation/watchdog/watchdog-parameters.txt
or other driver-specific files in the
diff --git a/Documentation/scsi/scsi-parameters.txt b/Documentation/scsi/scsi-parameters.txt
new file mode 100644
index 0000000..21e5798
--- /dev/null
+++ b/Documentation/scsi/scsi-parameters.txt
@@ -0,0 +1,139 @@
+ SCSI Kernel Parameters
+ ~~~~~~~~~~~~~~~~~~~~~~
+
+See Documentation/kernel-parameters.txt for general information on
+specifying module parameters.
+
+This document may not be entirely up to date and comprehensive. The command
+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable
+module. Loadable modules, after being loaded into the running kernel, also
+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these
+parameters may be changed at runtime by the command
+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".
+
+
+ advansys= [HW,SCSI]
+ See header of drivers/scsi/advansys.c.
+
+ aha152x= [HW,SCSI]
+ See Documentation/scsi/aha152x.txt.
+
+ aha1542= [HW,SCSI]
+ Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]
+
+ aic7xxx= [HW,SCSI]
+ See Documentation/scsi/aic7xxx.txt.
+
+ aic79xx= [HW,SCSI]
+ See Documentation/scsi/aic79xx.txt.
+
+ atascsi= [HW,SCSI] Atari SCSI
+
+ BusLogic= [HW,SCSI]
+ See drivers/scsi/BusLogic.c, comment before function
+ BusLogic_ParseDriverOptions().
+
+ dtc3181e= [HW,SCSI]
+
+ eata= [HW,SCSI]
+
+ fd_mcs= [HW,SCSI]
+ See header of drivers/scsi/fd_mcs.c.
+
+ fdomain= [HW,SCSI]
+ See header of drivers/scsi/fdomain.c.
+
+ gdth= [HW,SCSI]
+ See header of drivers/scsi/gdth.c.
+
+ gvp11= [HW,SCSI]
+
+ ibmmcascsi= [HW,MCA,SCSI] IBM MicroChannel SCSI adapter
+ See Documentation/mca.txt.
+
+ in2000= [HW,SCSI]
+ See header of drivers/scsi/in2000.c.
+
+ ips= [HW,SCSI] Adaptec / IBM ServeRAID controller
+ See header of drivers/scsi/ips.c.
+
+ mac5380= [HW,SCSI] Format:
+ <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags>
+
+ max_luns= [SCSI] Maximum number of LUNs to probe.
+ Should be between 1 and 2^32-1.
+
+ max_report_luns=
+ [SCSI] Maximum number of LUNs received.
+ Should be between 1 and 16384.
+
+ NCR_D700= [HW,SCSI]
+ See header of drivers/scsi/NCR_D700.c.
+
+ ncr5380= [HW,SCSI]
+
+ ncr53c400= [HW,SCSI]
+
+ ncr53c400a= [HW,SCSI]
+
+ ncr53c406a= [HW,SCSI]
+
+ ncr53c8xx= [HW,SCSI]
+
+ nodisconnect [HW,SCSI,M68K] Disables SCSI disconnects.
+
+ osst= [HW,SCSI] SCSI Tape Driver
+ Format: <buffer_size>,<write_threshold>
+ See also Documentation/scsi/st.txt.
+
+ pas16= [HW,SCSI]
+ See header of drivers/scsi/pas16.c.
+
+ scsi_debug_*= [SCSI]
+ See drivers/scsi/scsi_debug.c.
+
+ scsi_default_dev_flags=
+ [SCSI] SCSI default device flags
+ Format: <integer>
+
+ scsi_dev_flags= [SCSI] Black/white list entry for vendor and model
+ Format: <vendor>:<model>:<flags>
+ (flags are integer value)
+
+ scsi_logging_level= [SCSI] a bit mask of logging levels
+ See drivers/scsi/scsi_logging.h for bits. Also
+ settable via sysctl at dev.scsi.logging_level
+ (/proc/sys/dev/scsi/logging_level).
+ There is also a nice 'scsi_logging_level' script in the
+ S390-tools package, available for download at
+ http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html
+
+ scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are
+ discovered. async scans them in kernel threads,
+ allowing boot to proceed. none ignores them, expecting
+ user space to do the scan.
+
+ sim710= [SCSI,HW]
+ See header of drivers/scsi/sim710.c.
+
+ st= [HW,SCSI] SCSI tape parameters (buffers, etc.)
+ See Documentation/scsi/st.txt.
+
+ sym53c416= [HW,SCSI]
+ See header of drivers/scsi/sym53c416.c.
+
+ t128= [HW,SCSI]
+ See header of drivers/scsi/t128.c.
+
+ tmscsim= [HW,SCSI]
+ See comment before function dc390_setup() in
+ drivers/scsi/tmscsim.c.
+
+ u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter
+ See header of drivers/scsi/u14-34f.c.
+
+ wd33c93= [HW,SCSI]
+ See header of drivers/scsi/wd33c93.c.
+
+ wd7000= [HW,SCSI]
+ See header of drivers/scsi/wd7000.c.
diff --git a/MAINTAINERS b/MAINTAINERS
index 39d8c5c..99b6f82 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4402,6 +4402,13 @@
S: Maintained
F: drivers/char/pc8736x_gpio.c
+PC87427 HARDWARE MONITORING DRIVER
+M: Jean Delvare <khali@linux-fr.org>
+L: lm-sensors@lm-sensors.org
+S: Maintained
+F: Documentation/hwmon/pc87427
+F: drivers/hwmon/pc87427.c
+
PCA9532 LED DRIVER
M: Riku Voipio <riku.voipio@iki.fi>
S: Maintained
@@ -5279,6 +5286,13 @@
F: Documentation/hwmon/smm665
F: drivers/hwmon/smm665.c
+SMSC EMC2103 HARDWARE MONITOR DRIVER
+M: Steve Glendinning <steve.glendinning@smsc.com>
+L: lm-sensors@lm-sensors.org
+S: Supported
+F: Documentation/hwmon/emc2103
+F: drivers/hwmon/emc2103.c
+
SMSC47B397 HARDWARE MONITOR DRIVER
M: "Mark M. Hoffman" <mhoffman@lightlink.com>
L: lm-sensors@lm-sensors.org
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index f3adf18..0fba829 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -465,6 +465,7 @@
config SENSORS_JC42
tristate "JEDEC JC42.4 compliant temperature sensors"
+ depends on I2C
help
If you say yes here you get support for Jedec JC42.4 compliant
temperature sensors. Support will include, but not be limited to,
@@ -711,7 +712,8 @@
functions of the National Semiconductor PC87427 Super-I/O chip.
The chip has two distinct logical devices, one for fan speed
monitoring and control, and one for voltage and temperature
- monitoring. Only fan speed monitoring is supported right now.
+ monitoring. Fan speed monitoring and control are supported, as
+ well as temperature monitoring. Voltages aren't supported yet.
This driver can also be built as a module. If so, the module
will be called pc87427.
@@ -804,6 +806,16 @@
Threshold values can be configured using sysfs.
Data from the different diodes are accessible via sysfs.
+config SENSORS_EMC2103
+ tristate "SMSC EMC2103"
+ depends on I2C
+ help
+ If you say yes here you get support for the temperature
+ and fan sensors of the SMSC EMC2103 chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called emc2103.
+
config SENSORS_SMSC47M1
tristate "SMSC LPC47M10x and compatibles"
help
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 13d913e..e3c2484 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -43,6 +43,7 @@
obj-$(CONFIG_SENSORS_DME1737) += dme1737.o
obj-$(CONFIG_SENSORS_DS1621) += ds1621.o
obj-$(CONFIG_SENSORS_EMC1403) += emc1403.o
+obj-$(CONFIG_SENSORS_EMC2103) += emc2103.o
obj-$(CONFIG_SENSORS_F71805F) += f71805f.o
obj-$(CONFIG_SENSORS_F71882FG) += f71882fg.o
obj-$(CONFIG_SENSORS_F75375S) += f75375s.o
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
index 3b973f3..89b4f3b 100644
--- a/drivers/hwmon/asc7621.c
+++ b/drivers/hwmon/asc7621.c
@@ -1150,9 +1150,6 @@
{
struct i2c_adapter *adapter = client->adapter;
int company, verstep, chip_index;
- struct device *dev;
-
- dev = &client->dev;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
@@ -1169,13 +1166,11 @@
if (company == asc7621_chips[chip_index].company_id &&
verstep == asc7621_chips[chip_index].verstep_id) {
- strlcpy(client->name, asc7621_chips[chip_index].name,
- I2C_NAME_SIZE);
strlcpy(info->type, asc7621_chips[chip_index].name,
I2C_NAME_SIZE);
- dev_info(&adapter->dev, "Matched %s\n",
- asc7621_chips[chip_index].name);
+ dev_info(&adapter->dev, "Matched %s at 0x%02x\n",
+ asc7621_chips[chip_index].name, client->addr);
return 0;
}
}
diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c
index 0e4b564..5b58b20 100644
--- a/drivers/hwmon/emc1403.c
+++ b/drivers/hwmon/emc1403.c
@@ -89,6 +89,35 @@
return count;
}
+static ssize_t store_bit(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct thermal_data *data = i2c_get_clientdata(client);
+ struct sensor_device_attribute_2 *sda = to_sensor_dev_attr_2(attr);
+ unsigned long val;
+ int retval;
+
+ if (strict_strtoul(buf, 10, &val))
+ return -EINVAL;
+
+ mutex_lock(&data->mutex);
+ retval = i2c_smbus_read_byte_data(client, sda->nr);
+ if (retval < 0)
+ goto fail;
+
+ retval &= ~sda->index;
+ if (val)
+ retval |= sda->index;
+
+ retval = i2c_smbus_write_byte_data(client, sda->index, retval);
+ if (retval == 0)
+ retval = count;
+fail:
+ mutex_unlock(&data->mutex);
+ return retval;
+}
+
static ssize_t show_hyst(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -200,6 +229,9 @@
static SENSOR_DEVICE_ATTR(temp3_crit_hyst, S_IRUGO | S_IWUSR,
show_hyst, store_hyst, 0x1A);
+static SENSOR_DEVICE_ATTR_2(power_state, S_IRUGO | S_IWUSR,
+ show_bit, store_bit, 0x03, 0x40);
+
static struct attribute *mid_att_thermal[] = {
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
@@ -225,6 +257,7 @@
&sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_crit_hyst.dev_attr.attr,
+ &sensor_dev_attr_power_state.dev_attr.attr,
NULL
};
diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c
new file mode 100644
index 0000000..af914ad
--- /dev/null
+++ b/drivers/hwmon/emc2103.c
@@ -0,0 +1,740 @@
+/*
+ emc2103.c - Support for SMSC EMC2103
+ Copyright (c) 2010 SMSC
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+
+/* Addresses scanned */
+static const unsigned short normal_i2c[] = { 0x2E, I2C_CLIENT_END };
+
+static const u8 REG_TEMP[4] = { 0x00, 0x02, 0x04, 0x06 };
+static const u8 REG_TEMP_MIN[4] = { 0x3c, 0x38, 0x39, 0x3a };
+static const u8 REG_TEMP_MAX[4] = { 0x34, 0x30, 0x31, 0x32 };
+
+#define REG_CONF1 0x20
+#define REG_TEMP_MAX_ALARM 0x24
+#define REG_TEMP_MIN_ALARM 0x25
+#define REG_FAN_CONF1 0x42
+#define REG_FAN_TARGET_LO 0x4c
+#define REG_FAN_TARGET_HI 0x4d
+#define REG_FAN_TACH_HI 0x4e
+#define REG_FAN_TACH_LO 0x4f
+#define REG_PRODUCT_ID 0xfd
+#define REG_MFG_ID 0xfe
+
+/* equation 4 from datasheet: rpm = (3932160 * multipler) / count */
+#define FAN_RPM_FACTOR 3932160
+
+/* 2103-2 and 2103-4's 3rd temperature sensor can be connected to two diodes
+ * in anti-parallel mode, and in this configuration both can be read
+ * independently (so we have 4 temperature inputs). The device can't
+ * detect if it's connected in this mode, so we have to manually enable
+ * it. Default is to leave the device in the state it's already in (-1).
+ * This parameter allows APD mode to be optionally forced on or off */
+static int apd = -1;
+module_param(apd, bool, 0);
+MODULE_PARM_DESC(init, "Set to zero to disable anti-parallel diode mode");
+
+struct temperature {
+ s8 degrees;
+ u8 fraction; /* 0-7 multiples of 0.125 */
+};
+
+struct emc2103_data {
+ struct device *hwmon_dev;
+ struct mutex update_lock;
+ bool valid; /* registers are valid */
+ bool fan_rpm_control;
+ int temp_count; /* num of temp sensors */
+ unsigned long last_updated; /* in jiffies */
+ struct temperature temp[4]; /* internal + 3 external */
+ s8 temp_min[4]; /* no fractional part */
+ s8 temp_max[4]; /* no fractional part */
+ u8 temp_min_alarm;
+ u8 temp_max_alarm;
+ u8 fan_multiplier;
+ u16 fan_tach;
+ u16 fan_target;
+};
+
+static int read_u8_from_i2c(struct i2c_client *client, u8 i2c_reg, u8 *output)
+{
+ int status = i2c_smbus_read_byte_data(client, i2c_reg);
+ if (status < 0) {
+ dev_warn(&client->dev, "reg 0x%02x, err %d\n",
+ i2c_reg, status);
+ } else {
+ *output = status;
+ }
+ return status;
+}
+
+static void read_temp_from_i2c(struct i2c_client *client, u8 i2c_reg,
+ struct temperature *temp)
+{
+ u8 degrees, fractional;
+
+ if (read_u8_from_i2c(client, i2c_reg, °rees) < 0)
+ return;
+
+ if (read_u8_from_i2c(client, i2c_reg + 1, &fractional) < 0)
+ return;
+
+ temp->degrees = degrees;
+ temp->fraction = (fractional & 0xe0) >> 5;
+}
+
+static void read_fan_from_i2c(struct i2c_client *client, u16 *output,
+ u8 hi_addr, u8 lo_addr)
+{
+ u8 high_byte, lo_byte;
+
+ if (read_u8_from_i2c(client, hi_addr, &high_byte) < 0)
+ return;
+
+ if (read_u8_from_i2c(client, lo_addr, &lo_byte) < 0)
+ return;
+
+ *output = ((u16)high_byte << 5) | (lo_byte >> 3);
+}
+
+static void write_fan_target_to_i2c(struct i2c_client *client, u16 new_target)
+{
+ u8 high_byte = (new_target & 0x1fe0) >> 5;
+ u8 low_byte = (new_target & 0x001f) << 3;
+ i2c_smbus_write_byte_data(client, REG_FAN_TARGET_LO, low_byte);
+ i2c_smbus_write_byte_data(client, REG_FAN_TARGET_HI, high_byte);
+}
+
+static void read_fan_config_from_i2c(struct i2c_client *client)
+
+{
+ struct emc2103_data *data = i2c_get_clientdata(client);
+ u8 conf1;
+
+ if (read_u8_from_i2c(client, REG_FAN_CONF1, &conf1) < 0)
+ return;
+
+ data->fan_multiplier = 1 << ((conf1 & 0x60) >> 5);
+ data->fan_rpm_control = (conf1 & 0x80) != 0;
+}
+
+static struct emc2103_data *emc2103_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct emc2103_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+ || !data->valid) {
+ int i;
+
+ for (i = 0; i < data->temp_count; i++) {
+ read_temp_from_i2c(client, REG_TEMP[i], &data->temp[i]);
+ read_u8_from_i2c(client, REG_TEMP_MIN[i],
+ &data->temp_min[i]);
+ read_u8_from_i2c(client, REG_TEMP_MAX[i],
+ &data->temp_max[i]);
+ }
+
+ read_u8_from_i2c(client, REG_TEMP_MIN_ALARM,
+ &data->temp_min_alarm);
+ read_u8_from_i2c(client, REG_TEMP_MAX_ALARM,
+ &data->temp_max_alarm);
+
+ read_fan_from_i2c(client, &data->fan_tach,
+ REG_FAN_TACH_HI, REG_FAN_TACH_LO);
+ read_fan_from_i2c(client, &data->fan_target,
+ REG_FAN_TARGET_HI, REG_FAN_TARGET_LO);
+ read_fan_config_from_i2c(client);
+
+ data->last_updated = jiffies;
+ data->valid = true;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+static ssize_t
+show_temp(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int millidegrees = data->temp[nr].degrees * 1000
+ + data->temp[nr].fraction * 125;
+ return sprintf(buf, "%d\n", millidegrees);
+}
+
+static ssize_t
+show_temp_min(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int millidegrees = data->temp_min[nr] * 1000;
+ return sprintf(buf, "%d\n", millidegrees);
+}
+
+static ssize_t
+show_temp_max(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int millidegrees = data->temp_max[nr] * 1000;
+ return sprintf(buf, "%d\n", millidegrees);
+}
+
+static ssize_t
+show_temp_fault(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ bool fault = (data->temp[nr].degrees == -128);
+ return sprintf(buf, "%d\n", fault ? 1 : 0);
+}
+
+static ssize_t
+show_temp_min_alarm(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ bool alarm = data->temp_min_alarm & (1 << nr);
+ return sprintf(buf, "%d\n", alarm ? 1 : 0);
+}
+
+static ssize_t
+show_temp_max_alarm(struct device *dev, struct device_attribute *da, char *buf)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct emc2103_data *data = emc2103_update_device(dev);
+ bool alarm = data->temp_max_alarm & (1 << nr);
+ return sprintf(buf, "%d\n", alarm ? 1 : 0);
+}
+
+static ssize_t set_temp_min(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct i2c_client *client = to_i2c_client(dev);
+ struct emc2103_data *data = i2c_get_clientdata(client);
+ long val;
+
+ int result = strict_strtol(buf, 10, &val);
+ if (result < 0)
+ return -EINVAL;
+
+ val = DIV_ROUND_CLOSEST(val, 1000);
+ if ((val < -63) || (val > 127))
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->temp_min[nr] = val;
+ i2c_smbus_write_byte_data(client, REG_TEMP_MIN[nr], val);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t set_temp_max(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ int nr = to_sensor_dev_attr(da)->index;
+ struct i2c_client *client = to_i2c_client(dev);
+ struct emc2103_data *data = i2c_get_clientdata(client);
+ long val;
+
+ int result = strict_strtol(buf, 10, &val);
+ if (result < 0)
+ return -EINVAL;
+
+ val = DIV_ROUND_CLOSEST(val, 1000);
+ if ((val < -63) || (val > 127))
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->temp_max[nr] = val;
+ i2c_smbus_write_byte_data(client, REG_TEMP_MAX[nr], val);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t
+show_fan(struct device *dev, struct device_attribute *da, char *buf)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int rpm = 0;
+ if (data->fan_tach != 0)
+ rpm = (FAN_RPM_FACTOR * data->fan_multiplier) / data->fan_tach;
+ return sprintf(buf, "%d\n", rpm);
+}
+
+static ssize_t
+show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int fan_div = 8 / data->fan_multiplier;
+ return sprintf(buf, "%d\n", fan_div);
+}
+
+/* Note: we also update the fan target here, because its value is
+ determined in part by the fan clock divider. This follows the principle
+ of least surprise; the user doesn't expect the fan target to change just
+ because the divider changed. */
+static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ struct i2c_client *client = to_i2c_client(dev);
+ int new_range_bits, old_div = 8 / data->fan_multiplier;
+ long new_div;
+
+ int status = strict_strtol(buf, 10, &new_div);
+ if (status < 0)
+ return -EINVAL;
+
+ if (new_div == old_div) /* No change */
+ return count;
+
+ switch (new_div) {
+ case 1:
+ new_range_bits = 3;
+ break;
+ case 2:
+ new_range_bits = 2;
+ break;
+ case 4:
+ new_range_bits = 1;
+ break;
+ case 8:
+ new_range_bits = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ mutex_lock(&data->update_lock);
+
+ status = i2c_smbus_read_byte_data(client, REG_FAN_CONF1);
+ if (status < 0) {
+ dev_dbg(&client->dev, "reg 0x%02x, err %d\n",
+ REG_FAN_CONF1, status);
+ mutex_unlock(&data->update_lock);
+ return -EIO;
+ }
+ status &= 0x9F;
+ status |= (new_range_bits << 5);
+ i2c_smbus_write_byte_data(client, REG_FAN_CONF1, status);
+
+ data->fan_multiplier = 8 / new_div;
+
+ /* update fan target if high byte is not disabled */
+ if ((data->fan_target & 0x1fe0) != 0x1fe0) {
+ u16 new_target = (data->fan_target * old_div) / new_div;
+ data->fan_target = min(new_target, (u16)0x1fff);
+ write_fan_target_to_i2c(client, data->fan_target);
+ }
+
+ /* invalidate data to force re-read from hardware */
+ data->valid = false;
+
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t
+show_fan_target(struct device *dev, struct device_attribute *da, char *buf)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ int rpm = 0;
+
+ /* high byte of 0xff indicates disabled so return 0 */
+ if ((data->fan_target != 0) && ((data->fan_target & 0x1fe0) != 0x1fe0))
+ rpm = (FAN_RPM_FACTOR * data->fan_multiplier)
+ / data->fan_target;
+
+ return sprintf(buf, "%d\n", rpm);
+}
+
+static ssize_t set_fan_target(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ struct i2c_client *client = to_i2c_client(dev);
+ long rpm_target;
+
+ int result = strict_strtol(buf, 10, &rpm_target);
+ if (result < 0)
+ return -EINVAL;
+
+ /* Datasheet states 16384 as maximum RPM target (table 3.2) */
+ if ((rpm_target < 0) || (rpm_target > 16384))
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+
+ if (rpm_target == 0)
+ data->fan_target = 0x1fff;
+ else
+ data->fan_target = SENSORS_LIMIT(
+ (FAN_RPM_FACTOR * data->fan_multiplier) / rpm_target,
+ 0, 0x1fff);
+
+ write_fan_target_to_i2c(client, data->fan_target);
+
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t
+show_fan_fault(struct device *dev, struct device_attribute *da, char *buf)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ bool fault = ((data->fan_tach & 0x1fe0) == 0x1fe0);
+ return sprintf(buf, "%d\n", fault ? 1 : 0);
+}
+
+static ssize_t
+show_pwm_enable(struct device *dev, struct device_attribute *da, char *buf)
+{
+ struct emc2103_data *data = emc2103_update_device(dev);
+ return sprintf(buf, "%d\n", data->fan_rpm_control ? 3 : 0);
+}
+
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct emc2103_data *data = i2c_get_clientdata(client);
+ long new_value;
+ u8 conf_reg;
+
+ int result = strict_strtol(buf, 10, &new_value);
+ if (result < 0)
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ switch (new_value) {
+ case 0:
+ data->fan_rpm_control = false;
+ break;
+ case 3:
+ data->fan_rpm_control = true;
+ break;
+ default:
+ mutex_unlock(&data->update_lock);
+ return -EINVAL;
+ }
+
+ read_u8_from_i2c(client, REG_FAN_CONF1, &conf_reg);
+
+ if (data->fan_rpm_control)
+ conf_reg |= 0x80;
+ else
+ conf_reg &= ~0x80;
+
+ i2c_smbus_write_byte_data(client, REG_FAN_CONF1, conf_reg);
+
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO | S_IWUSR, show_temp_min,
+ set_temp_min, 0);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max,
+ set_temp_max, 0);
+static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm,
+ NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm,
+ NULL, 0);
+
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, show_temp_min,
+ set_temp_min, 1);
+static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
+ set_temp_max, 1);
+static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm,
+ NULL, 1);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm,
+ NULL, 1);
+
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_min, S_IRUGO | S_IWUSR, show_temp_min,
+ set_temp_min, 2);
+static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
+ set_temp_max, 2);
+static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm,
+ NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm,
+ NULL, 2);
+
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp4_min, S_IRUGO | S_IWUSR, show_temp_min,
+ set_temp_min, 3);
+static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO | S_IWUSR, show_temp_max,
+ set_temp_max, 3);
+static SENSOR_DEVICE_ATTR(temp4_fault, S_IRUGO, show_temp_fault, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp4_min_alarm, S_IRUGO, show_temp_min_alarm,
+ NULL, 3);
+static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO, show_temp_max_alarm,
+ NULL, 3);
+
+static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL);
+static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, show_fan_div, set_fan_div);
+static DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, show_fan_target,
+ set_fan_target);
+static DEVICE_ATTR(fan1_fault, S_IRUGO, show_fan_fault, NULL);
+
+static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable,
+ set_pwm_enable);
+
+/* sensors present on all models */
+static struct attribute *emc2103_attributes[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_fault.dev_attr.attr,
+ &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_min.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_fault.dev_attr.attr,
+ &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan1_div.attr,
+ &dev_attr_fan1_target.attr,
+ &dev_attr_fan1_fault.attr,
+ &dev_attr_pwm1_enable.attr,
+ NULL
+};
+
+/* extra temperature sensors only present on 2103-2 and 2103-4 */
+static struct attribute *emc2103_attributes_temp3[] = {
+ &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_fault.dev_attr.attr,
+ &sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
+ NULL
+};
+
+/* extra temperature sensors only present on 2103-2 and 2103-4 in APD mode */
+static struct attribute *emc2103_attributes_temp4[] = {
+ &sensor_dev_attr_temp4_input.dev_attr.attr,
+ &sensor_dev_attr_temp4_min.dev_attr.attr,
+ &sensor_dev_attr_temp4_max.dev_attr.attr,
+ &sensor_dev_attr_temp4_fault.dev_attr.attr,
+ &sensor_dev_attr_temp4_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group emc2103_group = {
+ .attrs = emc2103_attributes,
+};
+
+static const struct attribute_group emc2103_temp3_group = {
+ .attrs = emc2103_attributes_temp3,
+};
+
+static const struct attribute_group emc2103_temp4_group = {
+ .attrs = emc2103_attributes_temp4,
+};
+
+static int
+emc2103_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ struct emc2103_data *data;
+ int status;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ data = kzalloc(sizeof(struct emc2103_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->update_lock);
+
+ /* 2103-2 and 2103-4 have 3 external diodes, 2103-1 has 1 */
+ status = i2c_smbus_read_byte_data(client, REG_PRODUCT_ID);
+ if (status == 0x24) {
+ /* 2103-1 only has 1 external diode */
+ data->temp_count = 2;
+ } else {
+ /* 2103-2 and 2103-4 have 3 or 4 external diodes */
+ status = i2c_smbus_read_byte_data(client, REG_CONF1);
+ if (status < 0) {
+ dev_dbg(&client->dev, "reg 0x%02x, err %d\n", REG_CONF1,
+ status);
+ goto exit_free;
+ }
+
+ /* detect current state of hardware */
+ data->temp_count = (status & 0x01) ? 4 : 3;
+
+ /* force APD state if module parameter is set */
+ if (apd == 0) {
+ /* force APD mode off */
+ data->temp_count = 3;
+ status &= ~(0x01);
+ i2c_smbus_write_byte_data(client, REG_CONF1, status);
+ } else if (apd == 1) {
+ /* force APD mode on */
+ data->temp_count = 4;
+ status |= 0x01;
+ i2c_smbus_write_byte_data(client, REG_CONF1, status);
+ }
+ }
+
+ /* Register sysfs hooks */
+ status = sysfs_create_group(&client->dev.kobj, &emc2103_group);
+ if (status)
+ goto exit_free;
+
+ if (data->temp_count >= 3) {
+ status = sysfs_create_group(&client->dev.kobj,
+ &emc2103_temp3_group);
+ if (status)
+ goto exit_remove;
+ }
+
+ if (data->temp_count == 4) {
+ status = sysfs_create_group(&client->dev.kobj,
+ &emc2103_temp4_group);
+ if (status)
+ goto exit_remove_temp3;
+ }
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ status = PTR_ERR(data->hwmon_dev);
+ goto exit_remove_temp4;
+ }
+
+ dev_info(&client->dev, "%s: sensor '%s'\n",
+ dev_name(data->hwmon_dev), client->name);
+
+ return 0;
+
+exit_remove_temp4:
+ if (data->temp_count == 4)
+ sysfs_remove_group(&client->dev.kobj, &emc2103_temp4_group);
+exit_remove_temp3:
+ if (data->temp_count >= 3)
+ sysfs_remove_group(&client->dev.kobj, &emc2103_temp3_group);
+exit_remove:
+ sysfs_remove_group(&client->dev.kobj, &emc2103_group);
+exit_free:
+ kfree(data);
+ return status;
+}
+
+static int emc2103_remove(struct i2c_client *client)
+{
+ struct emc2103_data *data = i2c_get_clientdata(client);
+
+ hwmon_device_unregister(data->hwmon_dev);
+
+ if (data->temp_count == 4)
+ sysfs_remove_group(&client->dev.kobj, &emc2103_temp4_group);
+
+ if (data->temp_count >= 3)
+ sysfs_remove_group(&client->dev.kobj, &emc2103_temp3_group);
+
+ sysfs_remove_group(&client->dev.kobj, &emc2103_group);
+
+ kfree(data);
+ return 0;
+}
+
+static const struct i2c_device_id emc2103_ids[] = {
+ { "emc2103", 0, },
+ { /* LIST END */ }
+};
+MODULE_DEVICE_TABLE(i2c, emc2103_ids);
+
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int
+emc2103_detect(struct i2c_client *new_client, struct i2c_board_info *info)
+{
+ struct i2c_adapter *adapter = new_client->adapter;
+ int manufacturer, product;
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
+
+ manufacturer = i2c_smbus_read_byte_data(new_client, REG_MFG_ID);
+ if (manufacturer != 0x5D)
+ return -ENODEV;
+
+ product = i2c_smbus_read_byte_data(new_client, REG_PRODUCT_ID);
+ if ((product != 0x24) && (product != 0x26))
+ return -ENODEV;
+
+ strlcpy(info->type, "emc2103", I2C_NAME_SIZE);
+
+ return 0;
+}
+
+static struct i2c_driver emc2103_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "emc2103",
+ },
+ .probe = emc2103_probe,
+ .remove = emc2103_remove,
+ .id_table = emc2103_ids,
+ .detect = emc2103_detect,
+ .address_list = normal_i2c,
+};
+
+static int __init sensors_emc2103_init(void)
+{
+ return i2c_add_driver(&emc2103_driver);
+}
+
+static void __exit sensors_emc2103_exit(void)
+{
+ i2c_del_driver(&emc2103_driver);
+}
+
+MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
+MODULE_DESCRIPTION("SMSC EMC2103 hwmon driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_emc2103_init);
+module_exit(sensors_emc2103_exit);
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 25763d2..f770129 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -259,6 +259,7 @@
u8 revision;
u8 vid_value;
u8 beep_pin;
+ u8 internal; /* Internal sensors can be labeled */
/* Features skipped based on config or DMI */
u8 skip_vid;
u8 skip_fan;
@@ -1194,6 +1195,22 @@
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+static ssize_t show_label(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ static const char *labels[] = {
+ "+5V",
+ "5VSB",
+ "Vbat",
+ };
+ int nr = to_sensor_dev_attr(attr)->index;
+
+ return sprintf(buf, "%s\n", labels[nr]);
+}
+static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
+static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
+static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2);
+
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
{
@@ -1434,6 +1451,17 @@
.attrs = it87_attributes_vid,
};
+static struct attribute *it87_attributes_label[] = {
+ &sensor_dev_attr_in3_label.dev_attr.attr,
+ &sensor_dev_attr_in7_label.dev_attr.attr,
+ &sensor_dev_attr_in8_label.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group it87_group_label = {
+ .attrs = it87_attributes_vid,
+};
+
/* SuperIO detection - will change isa_address if a chip is found */
static int __init it87_find(unsigned short *address,
struct it87_sio_data *sio_data)
@@ -1487,6 +1515,9 @@
pr_info("it87: Found IT%04xF chip at 0x%x, revision %d\n",
chip_type, *address, sio_data->revision);
+ /* in8 (Vbat) is always internal */
+ sio_data->internal = (1 << 2);
+
/* Read GPIO config and VID value from LDN 7 (GPIO) */
if (sio_data->type == it87) {
/* The IT8705F doesn't have VID pins at all */
@@ -1540,9 +1571,9 @@
pr_notice("it87: Routing internal VCCH to in7\n");
}
if (reg & (1 << 0))
- pr_info("it87: in3 is VCC (+5V)\n");
+ sio_data->internal |= (1 << 0);
if (reg & (1 << 1))
- pr_info("it87: in7 is VCCH (+5V Stand-By)\n");
+ sio_data->internal |= (1 << 1);
sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
}
@@ -1600,6 +1631,7 @@
}
if (!sio_data->skip_vid)
sysfs_remove_group(&dev->kobj, &it87_group_vid);
+ sysfs_remove_group(&dev->kobj, &it87_group_label);
}
static int __devinit it87_probe(struct platform_device *pdev)
@@ -1725,6 +1757,16 @@
goto ERROR4;
}
+ /* Export labels for internal sensors */
+ for (i = 0; i < 3; i++) {
+ if (!(sio_data->internal & (1 << i)))
+ continue;
+ err = sysfs_create_file(&dev->kobj,
+ it87_attributes_label[i]);
+ if (err)
+ goto ERROR4;
+ }
+
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index 8bdf80d..b9bb3e0 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -252,12 +252,13 @@
&sensor_dev_attr_temp3_input.dev_attr);
if (err)
goto exit_remove;
- if (data->sensorsp & SEL_PLACE)
+ if (data->sensorsp & SEL_PLACE) {
err = device_create_file(&pdev->dev,
&sensor_dev_attr_temp4_input.
dev_attr);
if (err)
goto exit_remove;
+ }
}
err = device_create_file(&pdev->dev, &dev_attr_name);
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 393f354..ab5b87a 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -280,10 +280,49 @@
return 0;
}
+#ifdef CONFIG_PM
+static int lm75_suspend(struct device *dev)
+{
+ int status;
+ struct i2c_client *client = to_i2c_client(dev);
+ status = lm75_read_value(client, LM75_REG_CONF);
+ if (status < 0) {
+ dev_dbg(&client->dev, "Can't read config? %d\n", status);
+ return status;
+ }
+ status = status | LM75_SHUTDOWN;
+ lm75_write_value(client, LM75_REG_CONF, status);
+ return 0;
+}
+
+static int lm75_resume(struct device *dev)
+{
+ int status;
+ struct i2c_client *client = to_i2c_client(dev);
+ status = lm75_read_value(client, LM75_REG_CONF);
+ if (status < 0) {
+ dev_dbg(&client->dev, "Can't read config? %d\n", status);
+ return status;
+ }
+ status = status & ~LM75_SHUTDOWN;
+ lm75_write_value(client, LM75_REG_CONF, status);
+ return 0;
+}
+
+static const struct dev_pm_ops lm75_dev_pm_ops = {
+ .suspend = lm75_suspend,
+ .resume = lm75_resume,
+};
+#define LM75_DEV_PM_OPS (&lm75_dev_pm_ops)
+#else
+#define LM75_DEV_PM_OPS NULL
+#endif /* CONFIG_PM */
+
static struct i2c_driver lm75_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "lm75",
+ .pm = LM75_DEV_PM_OPS,
},
.probe = lm75_probe,
.remove = lm75_remove,
diff --git a/drivers/hwmon/lm75.h b/drivers/hwmon/lm75.h
index 7c93454..e547a3e 100644
--- a/drivers/hwmon/lm75.h
+++ b/drivers/hwmon/lm75.h
@@ -30,6 +30,7 @@
/* straight from the datasheet */
#define LM75_TEMP_MIN (-55000)
#define LM75_TEMP_MAX 125000
+#define LM75_SHUTDOWN 0x01
/* TEMP: 0.001C/bit (-55C to +125C)
REG: (0.5C/bit, two's complement) << 7 */
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c
index 21d201b..6593083 100644
--- a/drivers/hwmon/ltc4245.c
+++ b/drivers/hwmon/ltc4245.c
@@ -21,6 +21,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
+#include <linux/i2c/ltc4245.h>
/* Here are names of the chip's registers (a.k.a. commands) */
enum ltc4245_cmd {
@@ -60,8 +61,72 @@
/* Voltage registers */
u8 vregs[0x0d];
+
+ /* GPIO ADC registers */
+ bool use_extra_gpios;
+ int gpios[3];
};
+/*
+ * Update the readings from the GPIO pins. If the driver has been configured to
+ * sample all GPIO's as analog voltages, a round-robin sampling method is used.
+ * Otherwise, only the configured GPIO pin is sampled.
+ *
+ * LOCKING: must hold data->update_lock
+ */
+static void ltc4245_update_gpios(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ltc4245_data *data = i2c_get_clientdata(client);
+ u8 gpio_curr, gpio_next, gpio_reg;
+ int i;
+
+ /* no extra gpio support, we're basically done */
+ if (!data->use_extra_gpios) {
+ data->gpios[0] = data->vregs[LTC4245_GPIOADC - 0x10];
+ return;
+ }
+
+ /*
+ * If the last reading was too long ago, then we mark all old GPIO
+ * readings as stale by setting them to -EAGAIN
+ */
+ if (time_after(jiffies, data->last_updated + 5 * HZ)) {
+ dev_dbg(&client->dev, "Marking GPIOs invalid\n");
+ for (i = 0; i < ARRAY_SIZE(data->gpios); i++)
+ data->gpios[i] = -EAGAIN;
+ }
+
+ /*
+ * Get the current GPIO pin
+ *
+ * The datasheet calls these GPIO[1-3], but we'll calculate the zero
+ * based array index instead, and call them GPIO[0-2]. This is much
+ * easier to think about.
+ */
+ gpio_curr = (data->cregs[LTC4245_GPIO] & 0xc0) >> 6;
+ if (gpio_curr > 0)
+ gpio_curr -= 1;
+
+ /* Read the GPIO voltage from the GPIOADC register */
+ data->gpios[gpio_curr] = data->vregs[LTC4245_GPIOADC - 0x10];
+
+ /* Find the next GPIO pin to read */
+ gpio_next = (gpio_curr + 1) % ARRAY_SIZE(data->gpios);
+
+ /*
+ * Calculate the correct setting for the GPIO register so it will
+ * sample the next GPIO pin
+ */
+ gpio_reg = (data->cregs[LTC4245_GPIO] & 0x3f) | ((gpio_next + 1) << 6);
+
+ /* Update the GPIO register */
+ i2c_smbus_write_byte_data(client, LTC4245_GPIO, gpio_reg);
+
+ /* Update saved data */
+ data->cregs[LTC4245_GPIO] = gpio_reg;
+}
+
static struct ltc4245_data *ltc4245_update_device(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@@ -93,6 +158,9 @@
data->vregs[i] = val;
}
+ /* Update GPIO readings */
+ ltc4245_update_gpios(dev);
+
data->last_updated = jiffies;
data->valid = 1;
}
@@ -233,6 +301,22 @@
return snprintf(buf, PAGE_SIZE, "%u\n", (reg & mask) ? 1 : 0);
}
+static ssize_t ltc4245_show_gpio(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct ltc4245_data *data = ltc4245_update_device(dev);
+ int val = data->gpios[attr->index];
+
+ /* handle stale GPIO's */
+ if (val < 0)
+ return val;
+
+ /* Convert to millivolts and print */
+ return snprintf(buf, PAGE_SIZE, "%u\n", val * 10);
+}
+
/* These macros are used below in constructing device attribute objects
* for use with sysfs_create_group() to make a sysfs device file
* for each register.
@@ -254,6 +338,10 @@
static SENSOR_DEVICE_ATTR_2(name, S_IRUGO, \
ltc4245_show_alarm, NULL, (mask), reg)
+#define LTC4245_GPIO_VOLTAGE(name, gpio_num) \
+ static SENSOR_DEVICE_ATTR(name, S_IRUGO, \
+ ltc4245_show_gpio, NULL, gpio_num)
+
/* Construct a sensor_device_attribute structure for each register */
/* Input voltages */
@@ -293,7 +381,9 @@
LTC4245_ALARM(in8_min_alarm, (1 << 3), LTC4245_FAULT2);
/* GPIO voltages */
-LTC4245_VOLTAGE(in9_input, LTC4245_GPIOADC);
+LTC4245_GPIO_VOLTAGE(in9_input, 0);
+LTC4245_GPIO_VOLTAGE(in10_input, 1);
+LTC4245_GPIO_VOLTAGE(in11_input, 2);
/* Power Consumption (virtual) */
LTC4245_POWER(power1_input, LTC4245_12VSENSE);
@@ -304,7 +394,7 @@
/* Finally, construct an array of pointers to members of the above objects,
* as required for sysfs_create_group()
*/
-static struct attribute *ltc4245_attributes[] = {
+static struct attribute *ltc4245_std_attributes[] = {
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in2_input.dev_attr.attr,
&sensor_dev_attr_in3_input.dev_attr.attr,
@@ -345,10 +435,77 @@
NULL,
};
-static const struct attribute_group ltc4245_group = {
- .attrs = ltc4245_attributes,
+static struct attribute *ltc4245_gpio_attributes[] = {
+ &sensor_dev_attr_in10_input.dev_attr.attr,
+ &sensor_dev_attr_in11_input.dev_attr.attr,
+ NULL,
};
+static const struct attribute_group ltc4245_std_group = {
+ .attrs = ltc4245_std_attributes,
+};
+
+static const struct attribute_group ltc4245_gpio_group = {
+ .attrs = ltc4245_gpio_attributes,
+};
+
+static int ltc4245_sysfs_create_groups(struct i2c_client *client)
+{
+ struct ltc4245_data *data = i2c_get_clientdata(client);
+ struct device *dev = &client->dev;
+ int ret;
+
+ /* register the standard sysfs attributes */
+ ret = sysfs_create_group(&dev->kobj, <c4245_std_group);
+ if (ret) {
+ dev_err(dev, "unable to register standard attributes\n");
+ return ret;
+ }
+
+ /* if we're using the extra gpio support, register it's attributes */
+ if (data->use_extra_gpios) {
+ ret = sysfs_create_group(&dev->kobj, <c4245_gpio_group);
+ if (ret) {
+ dev_err(dev, "unable to register gpio attributes\n");
+ sysfs_remove_group(&dev->kobj, <c4245_std_group);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static void ltc4245_sysfs_remove_groups(struct i2c_client *client)
+{
+ struct ltc4245_data *data = i2c_get_clientdata(client);
+ struct device *dev = &client->dev;
+
+ if (data->use_extra_gpios)
+ sysfs_remove_group(&dev->kobj, <c4245_gpio_group);
+
+ sysfs_remove_group(&dev->kobj, <c4245_std_group);
+}
+
+static bool ltc4245_use_extra_gpios(struct i2c_client *client)
+{
+ struct ltc4245_platform_data *pdata = dev_get_platdata(&client->dev);
+#ifdef CONFIG_OF
+ struct device_node *np = client->dev.of_node;
+#endif
+
+ /* prefer platform data */
+ if (pdata)
+ return pdata->use_extra_gpios;
+
+#ifdef CONFIG_OF
+ /* fallback on OF */
+ if (of_find_property(np, "ltc4245,use-extra-gpios", NULL))
+ return true;
+#endif
+
+ return false;
+}
+
static int ltc4245_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -367,15 +524,16 @@
i2c_set_clientdata(client, data);
mutex_init(&data->update_lock);
+ data->use_extra_gpios = ltc4245_use_extra_gpios(client);
/* Initialize the LTC4245 chip */
i2c_smbus_write_byte_data(client, LTC4245_FAULT1, 0x00);
i2c_smbus_write_byte_data(client, LTC4245_FAULT2, 0x00);
/* Register sysfs hooks */
- ret = sysfs_create_group(&client->dev.kobj, <c4245_group);
+ ret = ltc4245_sysfs_create_groups(client);
if (ret)
- goto out_sysfs_create_group;
+ goto out_sysfs_create_groups;
data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
@@ -386,8 +544,8 @@
return 0;
out_hwmon_device_register:
- sysfs_remove_group(&client->dev.kobj, <c4245_group);
-out_sysfs_create_group:
+ ltc4245_sysfs_remove_groups(client);
+out_sysfs_create_groups:
kfree(data);
out_kzalloc:
return ret;
@@ -398,8 +556,7 @@
struct ltc4245_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, <c4245_group);
-
+ ltc4245_sysfs_remove_groups(client);
kfree(data);
return 0;
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 4a64b85..68e69a4 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -1610,11 +1610,8 @@
static int __init pc87360_device_add(unsigned short address)
{
- struct resource res = {
- .name = "pc87360",
- .flags = IORESOURCE_IO,
- };
- int err, i;
+ struct resource res[3];
+ int err, i, res_count;
pdev = platform_device_alloc("pc87360", address);
if (!pdev) {
@@ -1623,22 +1620,28 @@
goto exit;
}
+ memset(res, 0, 3 * sizeof(struct resource));
+ res_count = 0;
for (i = 0; i < 3; i++) {
if (!extra_isa[i])
continue;
- res.start = extra_isa[i];
- res.end = extra_isa[i] + PC87360_EXTENT - 1;
+ res[res_count].start = extra_isa[i];
+ res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1;
+ res[res_count].name = "pc87360",
+ res[res_count].flags = IORESOURCE_IO,
- err = acpi_check_resource_conflict(&res);
+ err = acpi_check_resource_conflict(&res[res_count]);
if (err)
goto exit_device_put;
- err = platform_device_add_resources(pdev, &res, 1);
- if (err) {
- printk(KERN_ERR "pc87360: Device resource[%d] "
- "addition failed (%d)\n", i, err);
- goto exit_device_put;
- }
+ res_count++;
+ }
+
+ err = platform_device_add_resources(pdev, res, res_count);
+ if (err) {
+ printk(KERN_ERR "pc87360: Device resources addition failed "
+ "(%d)\n", err);
+ goto exit_device_put;
}
err = platform_device_add(pdev);
diff --git a/drivers/hwmon/pc87427.c b/drivers/hwmon/pc87427.c
index 3170b26..9ec4daa 100644
--- a/drivers/hwmon/pc87427.c
+++ b/drivers/hwmon/pc87427.c
@@ -1,7 +1,7 @@
/*
* pc87427.c - hardware monitoring driver for the
* National Semiconductor PC87427 Super-I/O chip
- * Copyright (C) 2006 Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2006, 2008, 2010 Jean Delvare <khali@linux-fr.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -15,10 +15,11 @@
* Supports the following chips:
*
* Chip #vin #fan #pwm #temp devid
- * PC87427 - 8 - - 0xF2
+ * PC87427 - 8 4 6 0xF2
*
* This driver assumes that no more than one chip is present.
- * Only fan inputs are supported so far, although the chip can do much more.
+ * Only fans are fully supported so far. Temperatures are in read-only
+ * mode, and voltages aren't supported at all.
*/
#include <linux/module.h>
@@ -57,6 +58,25 @@
u16 fan[8]; /* register values */
u16 fan_min[8]; /* register values */
u8 fan_status[8]; /* register values */
+
+ u8 pwm_enabled; /* bit vector */
+ u8 pwm_auto_ok; /* bit vector */
+ u8 pwm_enable[4]; /* register values */
+ u8 pwm[4]; /* register values */
+
+ u8 temp_enabled; /* bit vector */
+ s16 temp[6]; /* register values */
+ s8 temp_min[6]; /* register values */
+ s8 temp_max[6]; /* register values */
+ s8 temp_crit[6]; /* register values */
+ u8 temp_status[6]; /* register values */
+ u8 temp_type[6]; /* register values */
+};
+
+struct pc87427_sio_data {
+ unsigned short address[2];
+ u8 has_fanin;
+ u8 has_fanout;
};
/*
@@ -65,6 +85,13 @@
#define SIOREG_LDSEL 0x07 /* Logical device select */
#define SIOREG_DEVID 0x20 /* Device ID */
+#define SIOREG_CF2 0x22 /* Configuration 2 */
+#define SIOREG_CF3 0x23 /* Configuration 3 */
+#define SIOREG_CF4 0x24 /* Configuration 4 */
+#define SIOREG_CF5 0x25 /* Configuration 5 */
+#define SIOREG_CFB 0x2B /* Configuration B */
+#define SIOREG_CFC 0x2C /* Configuration C */
+#define SIOREG_CFD 0x2D /* Configuration D */
#define SIOREG_ACT 0x30 /* Device activation */
#define SIOREG_MAP 0x50 /* I/O or memory mapping */
#define SIOREG_IOBASE 0x60 /* I/O base address */
@@ -102,6 +129,8 @@
#define BANK_FM(nr) (nr)
#define BANK_FT(nr) (0x08 + (nr))
#define BANK_FC(nr) (0x10 + (nr) * 2)
+#define BANK_TM(nr) (nr)
+#define BANK_VM(nr) (0x08 + (nr))
/*
* I/O access functions
@@ -179,6 +208,127 @@
}
/*
+ * PWM registers and conversions
+ */
+
+#define PC87427_REG_PWM_ENABLE 0x10
+#define PC87427_REG_PWM_DUTY 0x12
+
+#define PWM_ENABLE_MODE_MASK (7 << 4)
+#define PWM_ENABLE_CTLEN (1 << 0)
+
+#define PWM_MODE_MANUAL (0 << 4)
+#define PWM_MODE_AUTO (1 << 4)
+#define PWM_MODE_OFF (2 << 4)
+#define PWM_MODE_ON (7 << 4)
+
+/* Dedicated function to read all registers related to a given PWM output.
+ This saves us quite a few locks and bank selections.
+ Must be called with data->lock held.
+ nr is from 0 to 3 */
+static void pc87427_readall_pwm(struct pc87427_data *data, u8 nr)
+{
+ int iobase = data->address[LD_FAN];
+
+ outb(BANK_FC(nr), iobase + PC87427_REG_BANK);
+ data->pwm_enable[nr] = inb(iobase + PC87427_REG_PWM_ENABLE);
+ data->pwm[nr] = inb(iobase + PC87427_REG_PWM_DUTY);
+}
+
+static inline int pwm_enable_from_reg(u8 reg)
+{
+ switch (reg & PWM_ENABLE_MODE_MASK) {
+ case PWM_MODE_ON:
+ return 0;
+ case PWM_MODE_MANUAL:
+ case PWM_MODE_OFF:
+ return 1;
+ case PWM_MODE_AUTO:
+ return 2;
+ default:
+ return -EPROTO;
+ }
+}
+
+static inline u8 pwm_enable_to_reg(unsigned long val, u8 pwmval)
+{
+ switch (val) {
+ default:
+ return PWM_MODE_ON;
+ case 1:
+ return pwmval ? PWM_MODE_MANUAL : PWM_MODE_OFF;
+ case 2:
+ return PWM_MODE_AUTO;
+ }
+}
+
+/*
+ * Temperature registers and conversions
+ */
+
+#define PC87427_REG_TEMP_STATUS 0x10
+#define PC87427_REG_TEMP 0x14
+#define PC87427_REG_TEMP_MAX 0x18
+#define PC87427_REG_TEMP_MIN 0x19
+#define PC87427_REG_TEMP_CRIT 0x1a
+#define PC87427_REG_TEMP_TYPE 0x1d
+
+#define TEMP_STATUS_CHANEN (1 << 0)
+#define TEMP_STATUS_LOWFLG (1 << 1)
+#define TEMP_STATUS_HIGHFLG (1 << 2)
+#define TEMP_STATUS_CRITFLG (1 << 3)
+#define TEMP_STATUS_SENSERR (1 << 5)
+#define TEMP_TYPE_MASK (3 << 5)
+
+#define TEMP_TYPE_THERMISTOR (1 << 5)
+#define TEMP_TYPE_REMOTE_DIODE (2 << 5)
+#define TEMP_TYPE_LOCAL_DIODE (3 << 5)
+
+/* Dedicated function to read all registers related to a given temperature
+ input. This saves us quite a few locks and bank selections.
+ Must be called with data->lock held.
+ nr is from 0 to 5 */
+static void pc87427_readall_temp(struct pc87427_data *data, u8 nr)
+{
+ int iobase = data->address[LD_TEMP];
+
+ outb(BANK_TM(nr), iobase + PC87427_REG_BANK);
+ data->temp[nr] = le16_to_cpu(inw(iobase + PC87427_REG_TEMP));
+ data->temp_max[nr] = inb(iobase + PC87427_REG_TEMP_MAX);
+ data->temp_min[nr] = inb(iobase + PC87427_REG_TEMP_MIN);
+ data->temp_crit[nr] = inb(iobase + PC87427_REG_TEMP_CRIT);
+ data->temp_type[nr] = inb(iobase + PC87427_REG_TEMP_TYPE);
+ data->temp_status[nr] = inb(iobase + PC87427_REG_TEMP_STATUS);
+ /* Clear fan alarm bits */
+ outb(data->temp_status[nr], iobase + PC87427_REG_TEMP_STATUS);
+}
+
+static inline unsigned int temp_type_from_reg(u8 reg)
+{
+ switch (reg & TEMP_TYPE_MASK) {
+ case TEMP_TYPE_THERMISTOR:
+ return 4;
+ case TEMP_TYPE_REMOTE_DIODE:
+ case TEMP_TYPE_LOCAL_DIODE:
+ return 3;
+ default:
+ return 0;
+ }
+}
+
+/* We assume 8-bit thermal sensors; 9-bit thermal sensors are possible
+ too, but I have no idea how to figure out when they are used. */
+static inline long temp_from_reg(s16 reg)
+{
+ return reg * 1000 / 256;
+}
+
+static inline long temp_from_reg8(s8 reg)
+{
+ return reg * 1000;
+}
+
+/*
* Data interface
*/
@@ -198,6 +348,21 @@
continue;
pc87427_readall_fan(data, i);
}
+
+ /* PWM outputs */
+ for (i = 0; i < 4; i++) {
+ if (!(data->pwm_enabled & (1 << i)))
+ continue;
+ pc87427_readall_pwm(data, i);
+ }
+
+ /* Temperature channels */
+ for (i = 0; i < 6; i++) {
+ if (!(data->temp_enabled & (1 << i)))
+ continue;
+ pc87427_readall_temp(data, i);
+ }
+
data->last_updated = jiffies;
done:
@@ -208,9 +373,8 @@
static ssize_t show_fan_input(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%lu\n", fan_from_reg(data->fan[nr]));
}
@@ -218,9 +382,8 @@
static ssize_t show_fan_min(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%lu\n", fan_from_reg(data->fan_min[nr]));
}
@@ -228,9 +391,8 @@
static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%d\n", !!(data->fan_status[nr]
& FAN_STATUS_LOSPD));
@@ -239,9 +401,8 @@
static ssize_t show_fan_fault(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct pc87427_data *data = pc87427_update_device(dev);
- int nr = attr->index;
+ int nr = to_sensor_dev_attr(devattr)->index;
return sprintf(buf, "%d\n", !!(data->fan_status[nr]
& FAN_STATUS_STALL));
@@ -251,11 +412,13 @@
*devattr, const char *buf, size_t count)
{
struct pc87427_data *data = dev_get_drvdata(dev);
- struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
- int nr = attr->index;
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ unsigned long val;
int iobase = data->address[LD_FAN];
+ if (strict_strtoul(buf, 10, &val) < 0)
+ return -EINVAL;
+
mutex_lock(&data->lock);
outb(BANK_FM(nr), iobase + PC87427_REG_BANK);
/* The low speed limit registers are read-only while monitoring
@@ -377,6 +540,390 @@
{ .attrs = pc87427_attributes_fan[7] },
};
+/* Must be called with data->lock held and pc87427_readall_pwm() freshly
+ called */
+static void update_pwm_enable(struct pc87427_data *data, int nr, u8 mode)
+{
+ int iobase = data->address[LD_FAN];
+ data->pwm_enable[nr] &= ~PWM_ENABLE_MODE_MASK;
+ data->pwm_enable[nr] |= mode;
+ outb(data->pwm_enable[nr], iobase + PC87427_REG_PWM_ENABLE);
+}
+
+static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int pwm_enable;
+
+ pwm_enable = pwm_enable_from_reg(data->pwm_enable[nr]);
+ if (pwm_enable < 0)
+ return pwm_enable;
+ return sprintf(buf, "%d\n", pwm_enable);
+}
+
+static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct pc87427_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ unsigned long val;
+
+ if (strict_strtoul(buf, 10, &val) < 0 || val > 2)
+ return -EINVAL;
+ /* Can't go to automatic mode if it isn't configured */
+ if (val == 2 && !(data->pwm_auto_ok & (1 << nr)))
+ return -EINVAL;
+
+ mutex_lock(&data->lock);
+ pc87427_readall_pwm(data, nr);
+ update_pwm_enable(data, nr, pwm_enable_to_reg(val, data->pwm[nr]));
+ mutex_unlock(&data->lock);
+
+ return count;
+}
+
+static ssize_t show_pwm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", (int)data->pwm[nr]);
+}
+
+static ssize_t set_pwm(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct pc87427_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ unsigned long val;
+ int iobase = data->address[LD_FAN];
+ u8 mode;
+
+ if (strict_strtoul(buf, 10, &val) < 0 || val > 0xff)
+ return -EINVAL;
+
+ mutex_lock(&data->lock);
+ pc87427_readall_pwm(data, nr);
+ mode = data->pwm_enable[nr] & PWM_ENABLE_MODE_MASK;
+ if (mode != PWM_MODE_MANUAL && mode != PWM_MODE_OFF) {
+ dev_notice(dev, "Can't set PWM%d duty cycle while not in "
+ "manual mode\n", nr + 1);
+ mutex_unlock(&data->lock);
+ return -EPERM;
+ }
+
+ /* We may have to change the mode */
+ if (mode == PWM_MODE_MANUAL && val == 0) {
+ /* Transition from Manual to Off */
+ update_pwm_enable(data, nr, PWM_MODE_OFF);
+ mode = PWM_MODE_OFF;
+ dev_dbg(dev, "Switching PWM%d from %s to %s\n", nr + 1,
+ "manual", "off");
+ } else if (mode == PWM_MODE_OFF && val != 0) {
+ /* Transition from Off to Manual */
+ update_pwm_enable(data, nr, PWM_MODE_MANUAL);
+ mode = PWM_MODE_MANUAL;
+ dev_dbg(dev, "Switching PWM%d from %s to %s\n", nr + 1,
+ "off", "manual");
+ }
+
+ data->pwm[nr] = val;
+ if (mode == PWM_MODE_MANUAL)
+ outb(val, iobase + PC87427_REG_PWM_DUTY);
+ mutex_unlock(&data->lock);
+
+ return count;
+}
+
+static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
+ show_pwm_enable, set_pwm_enable, 0);
+static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
+ show_pwm_enable, set_pwm_enable, 1);
+static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO,
+ show_pwm_enable, set_pwm_enable, 2);
+static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO,
+ show_pwm_enable, set_pwm_enable, 3);
+
+static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0);
+static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1);
+static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2);
+static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3);
+
+static struct attribute *pc87427_attributes_pwm[4][3] = {
+ {
+ &sensor_dev_attr_pwm1_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm1.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_pwm2_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm2.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_pwm3_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm3.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_pwm4_enable.dev_attr.attr,
+ &sensor_dev_attr_pwm4.dev_attr.attr,
+ NULL
+ }
+};
+
+static const struct attribute_group pc87427_group_pwm[4] = {
+ { .attrs = pc87427_attributes_pwm[0] },
+ { .attrs = pc87427_attributes_pwm[1] },
+ { .attrs = pc87427_attributes_pwm[2] },
+ { .attrs = pc87427_attributes_pwm[3] },
+};
+
+static ssize_t show_temp_input(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
+}
+
+static ssize_t show_temp_min(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_min[nr]));
+}
+
+static ssize_t show_temp_max(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_max[nr]));
+}
+
+static ssize_t show_temp_crit(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%ld\n", temp_from_reg8(data->temp_crit[nr]));
+}
+
+static ssize_t show_temp_type(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%u\n", temp_type_from_reg(data->temp_type[nr]));
+}
+
+static ssize_t show_temp_min_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", !!(data->temp_status[nr]
+ & TEMP_STATUS_LOWFLG));
+}
+
+static ssize_t show_temp_max_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", !!(data->temp_status[nr]
+ & TEMP_STATUS_HIGHFLG));
+}
+
+static ssize_t show_temp_crit_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", !!(data->temp_status[nr]
+ & TEMP_STATUS_CRITFLG));
+}
+
+static ssize_t show_temp_fault(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct pc87427_data *data = pc87427_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", !!(data->temp_status[nr]
+ & TEMP_STATUS_SENSERR));
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp_input, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_input, S_IRUGO, show_temp_input, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_input, S_IRUGO, show_temp_input, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_min, S_IRUGO, show_temp_min, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO, show_temp_min, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_min, S_IRUGO, show_temp_min, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_min, S_IRUGO, show_temp_min, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_min, S_IRUGO, show_temp_min, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_min, S_IRUGO, show_temp_min, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_max, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO, show_temp_max, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO, show_temp_max, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_max, S_IRUGO, show_temp_max, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_max, S_IRUGO, show_temp_max, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_max, S_IRUGO, show_temp_max, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp_crit, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_crit, S_IRUGO, show_temp_crit, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_crit, S_IRUGO, show_temp_crit, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_type, S_IRUGO, show_temp_type, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_type, S_IRUGO, show_temp_type, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_type, S_IRUGO, show_temp_type, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_min_alarm, S_IRUGO,
+ show_temp_min_alarm, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_max_alarm, S_IRUGO,
+ show_temp_max_alarm, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_crit_alarm, S_IRUGO,
+ show_temp_crit_alarm, NULL, 5);
+
+static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1);
+static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp4_fault, S_IRUGO, show_temp_fault, NULL, 3);
+static SENSOR_DEVICE_ATTR(temp5_fault, S_IRUGO, show_temp_fault, NULL, 4);
+static SENSOR_DEVICE_ATTR(temp6_fault, S_IRUGO, show_temp_fault, NULL, 5);
+
+static struct attribute *pc87427_attributes_temp[6][10] = {
+ {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_min.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit.dev_attr.attr,
+ &sensor_dev_attr_temp1_type.dev_attr.attr,
+ &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_fault.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_temp2_input.dev_attr.attr,
+ &sensor_dev_attr_temp2_min.dev_attr.attr,
+ &sensor_dev_attr_temp2_max.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit.dev_attr.attr,
+ &sensor_dev_attr_temp2_type.dev_attr.attr,
+ &sensor_dev_attr_temp2_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp2_fault.dev_attr.attr,
+ NULL
+ }, {
+ &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,
+ &sensor_dev_attr_temp3_type.dev_attr.attr,
+ &sensor_dev_attr_temp3_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp3_fault.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_temp4_input.dev_attr.attr,
+ &sensor_dev_attr_temp4_min.dev_attr.attr,
+ &sensor_dev_attr_temp4_max.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit.dev_attr.attr,
+ &sensor_dev_attr_temp4_type.dev_attr.attr,
+ &sensor_dev_attr_temp4_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp4_fault.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_temp5_input.dev_attr.attr,
+ &sensor_dev_attr_temp5_min.dev_attr.attr,
+ &sensor_dev_attr_temp5_max.dev_attr.attr,
+ &sensor_dev_attr_temp5_crit.dev_attr.attr,
+ &sensor_dev_attr_temp5_type.dev_attr.attr,
+ &sensor_dev_attr_temp5_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp5_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp5_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp5_fault.dev_attr.attr,
+ NULL
+ }, {
+ &sensor_dev_attr_temp6_input.dev_attr.attr,
+ &sensor_dev_attr_temp6_min.dev_attr.attr,
+ &sensor_dev_attr_temp6_max.dev_attr.attr,
+ &sensor_dev_attr_temp6_crit.dev_attr.attr,
+ &sensor_dev_attr_temp6_type.dev_attr.attr,
+ &sensor_dev_attr_temp6_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp6_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp6_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp6_fault.dev_attr.attr,
+ NULL
+ }
+};
+
+static const struct attribute_group pc87427_group_temp[6] = {
+ { .attrs = pc87427_attributes_temp[0] },
+ { .attrs = pc87427_attributes_temp[1] },
+ { .attrs = pc87427_attributes_temp[2] },
+ { .attrs = pc87427_attributes_temp[3] },
+ { .attrs = pc87427_attributes_temp[4] },
+ { .attrs = pc87427_attributes_temp[5] },
+};
+
static ssize_t show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
{
@@ -391,8 +938,49 @@
* Device detection, attach and detach
*/
+static void pc87427_release_regions(struct platform_device *pdev, int count)
+{
+ struct resource *res;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ res = platform_get_resource(pdev, IORESOURCE_IO, i);
+ release_region(res->start, resource_size(res));
+ }
+}
+
+static int __devinit pc87427_request_regions(struct platform_device *pdev,
+ int count)
+{
+ struct resource *res;
+ int i, err = 0;
+
+ for (i = 0; i < count; i++) {
+ res = platform_get_resource(pdev, IORESOURCE_IO, i);
+ if (!res) {
+ err = -ENOENT;
+ dev_err(&pdev->dev, "Missing resource #%d\n", i);
+ break;
+ }
+ if (!request_region(res->start, resource_size(res), DRVNAME)) {
+ err = -EBUSY;
+ dev_err(&pdev->dev,
+ "Failed to request region 0x%lx-0x%lx\n",
+ (unsigned long)res->start,
+ (unsigned long)res->end);
+ break;
+ }
+ }
+
+ if (err && i)
+ pc87427_release_regions(pdev, i);
+
+ return err;
+}
+
static void __devinit pc87427_init_device(struct device *dev)
{
+ struct pc87427_sio_data *sio_data = dev->platform_data;
struct pc87427_data *data = dev_get_drvdata(dev);
int i;
u8 reg;
@@ -400,10 +988,12 @@
/* The FMC module should be ready */
reg = pc87427_read8(data, LD_FAN, PC87427_REG_BANK);
if (!(reg & 0x80))
- dev_warn(dev, "FMC module not ready!\n");
+ dev_warn(dev, "%s module not ready!\n", "FMC");
/* Check which fans are enabled */
for (i = 0; i < 8; i++) {
+ if (!(sio_data->has_fanin & (1 << i))) /* Not wired */
+ continue;
reg = pc87427_read8_bank(data, LD_FAN, BANK_FM(i),
PC87427_REG_FAN_STATUS);
if (reg & FAN_STATUS_MONEN)
@@ -411,37 +1001,93 @@
}
if (!data->fan_enabled) {
- dev_dbg(dev, "Enabling all fan inputs\n");
- for (i = 0; i < 8; i++)
+ dev_dbg(dev, "Enabling monitoring of all fans\n");
+ for (i = 0; i < 8; i++) {
+ if (!(sio_data->has_fanin & (1 << i))) /* Not wired */
+ continue;
pc87427_write8_bank(data, LD_FAN, BANK_FM(i),
PC87427_REG_FAN_STATUS,
FAN_STATUS_MONEN);
- data->fan_enabled = 0xff;
+ }
+ data->fan_enabled = sio_data->has_fanin;
+ }
+
+ /* Check which PWM outputs are enabled */
+ for (i = 0; i < 4; i++) {
+ if (!(sio_data->has_fanout & (1 << i))) /* Not wired */
+ continue;
+ reg = pc87427_read8_bank(data, LD_FAN, BANK_FC(i),
+ PC87427_REG_PWM_ENABLE);
+ if (reg & PWM_ENABLE_CTLEN)
+ data->pwm_enabled |= (1 << i);
+
+ /* We don't expose an interface to reconfigure the automatic
+ fan control mode, so only allow to return to this mode if
+ it was originally set. */
+ if ((reg & PWM_ENABLE_MODE_MASK) == PWM_MODE_AUTO) {
+ dev_dbg(dev, "PWM%d is in automatic control mode\n",
+ i + 1);
+ data->pwm_auto_ok |= (1 << i);
+ }
+ }
+
+ /* The HMC module should be ready */
+ reg = pc87427_read8(data, LD_TEMP, PC87427_REG_BANK);
+ if (!(reg & 0x80))
+ dev_warn(dev, "%s module not ready!\n", "HMC");
+
+ /* Check which temperature channels are enabled */
+ for (i = 0; i < 6; i++) {
+ reg = pc87427_read8_bank(data, LD_TEMP, BANK_TM(i),
+ PC87427_REG_TEMP_STATUS);
+ if (reg & TEMP_STATUS_CHANEN)
+ data->temp_enabled |= (1 << i);
+ }
+}
+
+static void pc87427_remove_files(struct device *dev)
+{
+ struct pc87427_data *data = dev_get_drvdata(dev);
+ int i;
+
+ device_remove_file(dev, &dev_attr_name);
+ for (i = 0; i < 8; i++) {
+ if (!(data->fan_enabled & (1 << i)))
+ continue;
+ sysfs_remove_group(&dev->kobj, &pc87427_group_fan[i]);
+ }
+ for (i = 0; i < 4; i++) {
+ if (!(data->pwm_enabled & (1 << i)))
+ continue;
+ sysfs_remove_group(&dev->kobj, &pc87427_group_pwm[i]);
+ }
+ for (i = 0; i < 6; i++) {
+ if (!(data->temp_enabled & (1 << i)))
+ continue;
+ sysfs_remove_group(&dev->kobj, &pc87427_group_temp[i]);
}
}
static int __devinit pc87427_probe(struct platform_device *pdev)
{
+ struct pc87427_sio_data *sio_data = pdev->dev.platform_data;
struct pc87427_data *data;
- struct resource *res;
- int i, err;
+ int i, err, res_count;
- if (!(data = kzalloc(sizeof(struct pc87427_data), GFP_KERNEL))) {
+ data = kzalloc(sizeof(struct pc87427_data), GFP_KERNEL);
+ if (!data) {
err = -ENOMEM;
printk(KERN_ERR DRVNAME ": Out of memory\n");
goto exit;
}
- /* This will need to be revisited when we add support for
- temperature and voltage monitoring. */
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- if (!request_region(res->start, resource_size(res), DRVNAME)) {
- err = -EBUSY;
- dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n",
- (unsigned long)res->start, (unsigned long)res->end);
+ data->address[0] = sio_data->address[0];
+ data->address[1] = sio_data->address[1];
+ res_count = (data->address[0] != 0) + (data->address[1] != 0);
+
+ err = pc87427_request_regions(pdev, res_count);
+ if (err)
goto exit_kfree;
- }
- data->address[0] = res->start;
mutex_init(&data->lock);
data->name = "pc87427";
@@ -449,13 +1095,31 @@
pc87427_init_device(&pdev->dev);
/* Register sysfs hooks */
- if ((err = device_create_file(&pdev->dev, &dev_attr_name)))
+ err = device_create_file(&pdev->dev, &dev_attr_name);
+ if (err)
goto exit_release_region;
for (i = 0; i < 8; i++) {
if (!(data->fan_enabled & (1 << i)))
continue;
- if ((err = sysfs_create_group(&pdev->dev.kobj,
- &pc87427_group_fan[i])))
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &pc87427_group_fan[i]);
+ if (err)
+ goto exit_remove_files;
+ }
+ for (i = 0; i < 4; i++) {
+ if (!(data->pwm_enabled & (1 << i)))
+ continue;
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &pc87427_group_pwm[i]);
+ if (err)
+ goto exit_remove_files;
+ }
+ for (i = 0; i < 6; i++) {
+ if (!(data->temp_enabled & (1 << i)))
+ continue;
+ err = sysfs_create_group(&pdev->dev.kobj,
+ &pc87427_group_temp[i]);
+ if (err)
goto exit_remove_files;
}
@@ -469,13 +1133,9 @@
return 0;
exit_remove_files:
- for (i = 0; i < 8; i++) {
- if (!(data->fan_enabled & (1 << i)))
- continue;
- sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_fan[i]);
- }
+ pc87427_remove_files(&pdev->dev);
exit_release_region:
- release_region(res->start, resource_size(res));
+ pc87427_release_regions(pdev, res_count);
exit_kfree:
platform_set_drvdata(pdev, NULL);
kfree(data);
@@ -486,21 +1146,16 @@
static int __devexit pc87427_remove(struct platform_device *pdev)
{
struct pc87427_data *data = platform_get_drvdata(pdev);
- struct resource *res;
- int i;
+ int res_count;
+
+ res_count = (data->address[0] != 0) + (data->address[1] != 0);
hwmon_device_unregister(data->hwmon_dev);
- device_remove_file(&pdev->dev, &dev_attr_name);
- for (i = 0; i < 8; i++) {
- if (!(data->fan_enabled & (1 << i)))
- continue;
- sysfs_remove_group(&pdev->dev.kobj, &pc87427_group_fan[i]);
- }
+ pc87427_remove_files(&pdev->dev);
platform_set_drvdata(pdev, NULL);
kfree(data);
- res = platform_get_resource(pdev, IORESOURCE_IO, 0);
- release_region(res->start, resource_size(res));
+ pc87427_release_regions(pdev, res_count);
return 0;
}
@@ -515,34 +1170,50 @@
.remove = __devexit_p(pc87427_remove),
};
-static int __init pc87427_device_add(unsigned short address)
+static int __init pc87427_device_add(const struct pc87427_sio_data *sio_data)
{
- struct resource res = {
- .start = address,
- .end = address + REGION_LENGTH - 1,
- .name = logdev_str[0],
- .flags = IORESOURCE_IO,
+ struct resource res[2] = {
+ { .flags = IORESOURCE_IO },
+ { .flags = IORESOURCE_IO },
};
- int err;
+ int err, i, res_count;
- err = acpi_check_resource_conflict(&res);
- if (err)
- goto exit;
+ res_count = 0;
+ for (i = 0; i < 2; i++) {
+ if (!sio_data->address[i])
+ continue;
+ res[res_count].start = sio_data->address[i];
+ res[res_count].end = sio_data->address[i] + REGION_LENGTH - 1;
+ res[res_count].name = logdev_str[i];
- pdev = platform_device_alloc(DRVNAME, address);
+ err = acpi_check_resource_conflict(&res[res_count]);
+ if (err)
+ goto exit;
+
+ res_count++;
+ }
+
+ pdev = platform_device_alloc(DRVNAME, res[0].start);
if (!pdev) {
err = -ENOMEM;
printk(KERN_ERR DRVNAME ": Device allocation failed\n");
goto exit;
}
- err = platform_device_add_resources(pdev, &res, 1);
+ err = platform_device_add_resources(pdev, res, res_count);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed "
"(%d)\n", err);
goto exit_device_put;
}
+ err = platform_device_add_data(pdev, sio_data,
+ sizeof(struct pc87427_sio_data));
+ if (err) {
+ printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
+ goto exit_device_put;
+ }
+
err = platform_device_add(pdev);
if (err) {
printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
@@ -558,9 +1229,10 @@
return err;
}
-static int __init pc87427_find(int sioaddr, unsigned short *address)
+static int __init pc87427_find(int sioaddr, struct pc87427_sio_data *sio_data)
{
u16 val;
+ u8 cfg, cfg_b;
int i, err = 0;
/* Identify device */
@@ -571,7 +1243,7 @@
}
for (i = 0; i < 2; i++) {
- address[i] = 0;
+ sio_data->address[i] = 0;
/* Select logical device */
superio_outb(sioaddr, SIOREG_LDSEL, logdev[i]);
@@ -596,9 +1268,58 @@
"for logical device 0x%02x\n", logdev[i]);
continue;
}
- address[i] = val;
+ sio_data->address[i] = val;
}
+ /* No point in loading the driver if everything is disabled */
+ if (!sio_data->address[0] && !sio_data->address[1]) {
+ err = -ENODEV;
+ goto exit;
+ }
+
+ /* Check which fan inputs are wired */
+ sio_data->has_fanin = (1 << 2) | (1 << 3); /* FANIN2, FANIN3 */
+
+ cfg = superio_inb(sioaddr, SIOREG_CF2);
+ if (!(cfg & (1 << 3)))
+ sio_data->has_fanin |= (1 << 0); /* FANIN0 */
+ if (!(cfg & (1 << 2)))
+ sio_data->has_fanin |= (1 << 4); /* FANIN4 */
+
+ cfg = superio_inb(sioaddr, SIOREG_CFD);
+ if (!(cfg & (1 << 0)))
+ sio_data->has_fanin |= (1 << 1); /* FANIN1 */
+
+ cfg = superio_inb(sioaddr, SIOREG_CF4);
+ if (!(cfg & (1 << 0)))
+ sio_data->has_fanin |= (1 << 7); /* FANIN7 */
+ cfg_b = superio_inb(sioaddr, SIOREG_CFB);
+ if (!(cfg & (1 << 1)) && (cfg_b & (1 << 3)))
+ sio_data->has_fanin |= (1 << 5); /* FANIN5 */
+ cfg = superio_inb(sioaddr, SIOREG_CF3);
+ if ((cfg & (1 << 3)) && !(cfg_b & (1 << 5)))
+ sio_data->has_fanin |= (1 << 6); /* FANIN6 */
+
+ /* Check which fan outputs are wired */
+ sio_data->has_fanout = (1 << 0); /* FANOUT0 */
+ if (cfg_b & (1 << 0))
+ sio_data->has_fanout |= (1 << 3); /* FANOUT3 */
+
+ cfg = superio_inb(sioaddr, SIOREG_CFC);
+ if (!(cfg & (1 << 4))) {
+ if (cfg_b & (1 << 1))
+ sio_data->has_fanout |= (1 << 1); /* FANOUT1 */
+ if (cfg_b & (1 << 2))
+ sio_data->has_fanout |= (1 << 2); /* FANOUT2 */
+ }
+
+ /* FANOUT1 and FANOUT2 can each be routed to 2 different pins */
+ cfg = superio_inb(sioaddr, SIOREG_CF5);
+ if (cfg & (1 << 6))
+ sio_data->has_fanout |= (1 << 1); /* FANOUT1 */
+ if (cfg & (1 << 5))
+ sio_data->has_fanout |= (1 << 2); /* FANOUT2 */
+
exit:
superio_exit(sioaddr);
return err;
@@ -607,15 +1328,10 @@
static int __init pc87427_init(void)
{
int err;
- unsigned short address[2];
+ struct pc87427_sio_data sio_data;
- if (pc87427_find(0x2e, address)
- && pc87427_find(0x4e, address))
- return -ENODEV;
-
- /* For now the driver only handles fans so we only care about the
- first address. */
- if (!address[0])
+ if (pc87427_find(0x2e, &sio_data)
+ && pc87427_find(0x4e, &sio_data))
return -ENODEV;
err = platform_driver_register(&pc87427_driver);
@@ -623,7 +1339,7 @@
goto exit;
/* Sets global pdev as a side effect */
- err = pc87427_device_add(address[0]);
+ err = pc87427_device_add(&sio_data);
if (err)
goto exit_driver;
diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c
index 7442cf7..ffb793a 100644
--- a/drivers/hwmon/via-cputemp.c
+++ b/drivers/hwmon/via-cputemp.c
@@ -39,7 +39,7 @@
#define DRVNAME "via_cputemp"
-enum { SHOW_TEMP, SHOW_LABEL, SHOW_NAME } SHOW;
+enum { SHOW_TEMP, SHOW_LABEL, SHOW_NAME };
/*
* Functions declaration
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 0dcaba9..e96e69d 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -39,6 +39,7 @@
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
+ w83667hg-b 9 5 3 3 0xb350 0xc1 0x5ca3
*/
#include <linux/module.h>
@@ -55,7 +56,7 @@
#include <linux/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg };
+enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b };
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * w83627ehf_device_names[] = {
@@ -63,6 +64,7 @@
"w83627dhg",
"w83627dhg",
"w83667hg",
+ "w83667hg",
};
static unsigned short force_id;
@@ -91,6 +93,7 @@
#define SIO_W83627DHG_ID 0xa020
#define SIO_W83627DHG_P_ID 0xb070
#define SIO_W83667HG_ID 0xa510
+#define SIO_W83667HG_B_ID 0xb350
#define SIO_ID_MASK 0xFFF0
static inline void
@@ -201,8 +204,14 @@
static const u8 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 };
static const u8 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 };
static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 };
-static const u8 W83627EHF_REG_FAN_MAX_OUTPUT[] = { 0xff, 0x67, 0xff, 0x69 };
-static const u8 W83627EHF_REG_FAN_STEP_OUTPUT[] = { 0xff, 0x68, 0xff, 0x6a };
+
+static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
+ = { 0xff, 0x67, 0xff, 0x69 };
+static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
+ = { 0xff, 0x68, 0xff, 0x6a };
+
+static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
+static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[] = { 0x68, 0x6a, 0x6c };
/*
* Conversions
@@ -277,6 +286,11 @@
struct device *hwmon_dev;
struct mutex lock;
+ const u8 *REG_FAN_START_OUTPUT;
+ const u8 *REG_FAN_STOP_OUTPUT;
+ const u8 *REG_FAN_MAX_OUTPUT;
+ const u8 *REG_FAN_STEP_OUTPUT;
+
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@@ -524,7 +538,10 @@
}
}
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < data->pwm_num; i++) {
+ if (!(data->has_fan & (1 << i)))
+ continue;
+
/* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
if (i != 1) {
pwmcfg = w83627ehf_read_value(data,
@@ -546,6 +563,17 @@
W83627EHF_REG_FAN_STOP_OUTPUT[i]);
data->fan_stop_time[i] = w83627ehf_read_value(data,
W83627EHF_REG_FAN_STOP_TIME[i]);
+
+ if (data->REG_FAN_MAX_OUTPUT[i] != 0xff)
+ data->fan_max_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_MAX_OUTPUT[i]);
+
+ if (data->REG_FAN_STEP_OUTPUT[i] != 0xff)
+ data->fan_step_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_STEP_OUTPUT[i]);
+
data->target_temp[i] =
w83627ehf_read_value(data,
W83627EHF_REG_TARGET[i]) &
@@ -1126,7 +1154,7 @@
u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \
mutex_lock(&data->update_lock); \
data->reg[nr] = val; \
- w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \
+ w83627ehf_write_value(data, data->REG_##REG[nr], val); \
mutex_unlock(&data->update_lock); \
return count; \
}
@@ -1206,12 +1234,26 @@
store_fan_stop_output, 1),
SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 2),
+};
- /* pwm1 and pwm3 don't support max and step settings */
+
+/*
+ * pwm1 and pwm3 don't support max and step settings on all chips.
+ * Need to check support while generating/removing attribute files.
+ */
+static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
+ SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
+ store_fan_max_output, 0),
+ SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
+ store_fan_step_output, 0),
SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
store_fan_max_output, 1),
SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
store_fan_step_output, 1),
+ SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
+ store_fan_max_output, 2),
+ SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
+ store_fan_step_output, 2),
};
static ssize_t
@@ -1235,6 +1277,12 @@
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
+ struct sensor_device_attribute *attr =
+ &sda_sf3_max_step_arrays[i];
+ if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
+ device_remove_file(dev, &attr->dev_attr);
+ }
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
for (i = 0; i < data->in_num; i++) {
@@ -1343,22 +1391,37 @@
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
/* 667HG has 3 pwms */
- data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4;
+ data->pwm_num = (sio_data->kind == w83667hg
+ || sio_data->kind == w83667hg_b) ? 3 : 4;
/* Check temp3 configuration bit for 667HG */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
data->temp3_disable = w83627ehf_read_value(data,
W83627EHF_REG_TEMP_CONFIG[1]) & 0x01;
data->in6_skip = !data->temp3_disable;
}
+ data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
+ if (sio_data->kind == w83667hg_b) {
+ data->REG_FAN_MAX_OUTPUT =
+ W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
+ data->REG_FAN_STEP_OUTPUT =
+ W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
+ } else {
+ data->REG_FAN_MAX_OUTPUT =
+ W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
+ data->REG_FAN_STEP_OUTPUT =
+ W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
+ }
+
/* Initialize the chip */
w83627ehf_init_device(data);
data->vrm = vid_which_vrm();
superio_enter(sio_data->sioreg);
/* Read VID value */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
/* W83667HG has different pins for VID input and output, so
we can get the VID input values directly at logical device D
0xe3. */
@@ -1409,7 +1472,7 @@
}
/* fan4 and fan5 share some pins with the GPIO and serial flash */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
} else {
@@ -1440,6 +1503,15 @@
&sda_sf3_arrays[i].dev_attr)))
goto exit_remove;
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
+ struct sensor_device_attribute *attr =
+ &sda_sf3_max_step_arrays[i];
+ if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
+ err = device_create_file(dev, &attr->dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ }
/* if fan4 is enabled create the sf3 files for it */
if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
@@ -1556,6 +1628,7 @@
static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
static const char __initdata sio_name_W83667HG[] = "W83667HG";
+ static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
u16 val;
const char *sio_name;
@@ -1588,6 +1661,10 @@
sio_data->kind = w83667hg;
sio_name = sio_name_W83667HG;
break;
+ case SIO_W83667HG_B_ID:
+ sio_data->kind = w83667hg_b;
+ sio_name = sio_name_W83667HG_B;
+ break;
default:
if (val != 0xffff)
pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n",
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index c425681..6837a8e 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -626,6 +626,7 @@
* mpt_register - Register protocol-specific main callback handler.
* @cbfunc: callback function pointer
* @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
+ * @func_name: call function's name
*
* This routine is called by a protocol-specific driver (SCSI host,
* LAN, SCSI target) to register its reply callback routine. Each
@@ -6559,7 +6560,7 @@
}
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/**
+/*
* Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary.
*/
static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan);
@@ -8003,6 +8004,7 @@
* mpt_sas_log_info - Log information returned from SAS IOC.
* @ioc: Pointer to MPT_ADAPTER structure
* @log_info: U32 LogInfo reply word from the IOC
+ * @cb_idx: callback function's handle
*
* Refer to lsi/mpi_log_sas.h.
**/
diff --git a/fs/dcache.c b/fs/dcache.c
index 166d35d..4d13bf5 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1976,7 +1976,7 @@
* __d_path - return the path of a dentry
* @path: the dentry/vfsmount to report
* @root: root vfsmnt/dentry (may be modified by this function)
- * @buffer: buffer to return value in
+ * @buf: buffer to return value in
* @buflen: buffer length
*
* Convert a dentry into an ASCII path name.
diff --git a/include/linux/i2c/ltc4245.h b/include/linux/i2c/ltc4245.h
new file mode 100644
index 0000000..56bda4b
--- /dev/null
+++ b/include/linux/i2c/ltc4245.h
@@ -0,0 +1,21 @@
+/*
+ * Platform Data for LTC4245 hardware monitor chip
+ *
+ * Copyright (c) 2010 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * 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.
+ */
+
+#ifndef LINUX_LTC4245_H
+#define LINUX_LTC4245_H
+
+#include <linux/types.h>
+
+struct ltc4245_platform_data {
+ bool use_extra_gpios;
+};
+
+#endif /* LINUX_LTC4245_H */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 20890d8..7262aac 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -397,7 +397,7 @@
return x + 1; /* Ensure that we never return 0 */
}
-/**
+/*
* global_dirty_limits - background-writeback and dirty-throttling thresholds
*
* Calculate the dirty thresholds based on sysctl parameters
@@ -440,7 +440,7 @@
*pdirty = dirty;
}
-/**
+/*
* bdi_dirty_limit - @bdi's share of dirty throttling threshold
*
* Allocate high/low dirty limits to fast/slow devices, in order to prevent