diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 65 | ||||
| -rw-r--r-- | drivers/hwmon/Makefile | 4 | ||||
| -rw-r--r-- | drivers/hwmon/abituguru.c | 1415 | ||||
| -rw-r--r-- | drivers/hwmon/f71805f.c | 15 | ||||
| -rw-r--r-- | drivers/hwmon/hdaps.c | 8 | ||||
| -rw-r--r-- | drivers/hwmon/hwmon-vid.c | 44 | ||||
| -rw-r--r-- | drivers/hwmon/lm70.c | 165 | ||||
| -rw-r--r-- | drivers/hwmon/lm83.c | 50 | ||||
| -rw-r--r-- | drivers/hwmon/smsc47m192.c | 648 | ||||
| -rw-r--r-- | drivers/hwmon/w83627ehf.c | 170 | ||||
| -rw-r--r-- | drivers/hwmon/w83791d.c | 1255 | ||||
| -rw-r--r-- | drivers/hwmon/w83792d.c | 86 |
12 files changed, 3853 insertions, 72 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 99cdc61..0e31a0c 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1,5 +1,5 @@ # -# I2C Sensor chip drivers configuration +# Hardware monitoring chip drivers configuration # menu "Hardware Monitoring support" @@ -16,6 +16,10 @@ config HWMON should say Y here and also to the specific driver(s) for your sensors chip(s) below. + To find out which specific driver(s) you need, use the + sensors-detect script from the lm_sensors package. Read + <file:Documentation/hwmon/userspace-tools> for details. + This support can also be built as a module. If so, the module will be called hwmon. @@ -23,6 +27,18 @@ config HWMON_VID tristate default n +config SENSORS_ABITUGURU + tristate "Abit uGuru" + depends on HWMON && EXPERIMENTAL + help + If you say yes here you get support for the Abit uGuru chips + sensor part. The voltage and frequency control parts of the Abit + uGuru are not supported. The Abit uGuru chip can be found on Abit + uGuru featuring motherboards (most modern Abit motherboards). + + This driver can also be built as a module. If so, the module + will be called abituguru. + config SENSORS_ADM1021 tristate "Analog Devices ADM1021 and compatibles" depends on HWMON && I2C @@ -188,6 +204,16 @@ config SENSORS_LM63 This driver can also be built as a module. If so, the module will be called lm63. +config SENSORS_LM70 + tristate "National Semiconductor LM70" + depends on HWMON && SPI_MASTER && EXPERIMENTAL + help + If you say yes here you get support for the National Semiconductor + LM70 digital temperature sensor chip. + + This driver can also be built as a module. If so, the module + will be called lm70. + config SENSORS_LM75 tristate "National Semiconductor LM75 and compatibles" depends on HWMON && I2C @@ -236,11 +262,11 @@ config SENSORS_LM80 will be called lm80. config SENSORS_LM83 - tristate "National Semiconductor LM83" + tristate "National Semiconductor LM83 and compatibles" depends on HWMON && I2C help If you say yes here you get support for National Semiconductor - LM83 sensor chips. + LM82 and LM83 sensor chips. This driver can also be built as a module. If so, the module will be called lm83. @@ -333,11 +359,32 @@ config SENSORS_SMSC47M1 help If you say yes here you get support for the integrated fan monitoring and control capabilities of the SMSC LPC47B27x, - LPC47M10x, LPC47M13x, LPC47M14x, LPC47M15x and LPC47M192 chips. + LPC47M10x, LPC47M13x, LPC47M14x, LPC47M15x, LPC47M192 and + LPC47M997 chips. + + The temperature and voltage sensor features of the LPC47M192 + and LPC47M997 are supported by another driver, select also + "SMSC LPC47M192 and compatibles" below for those. This driver can also be built as a module. If so, the module will be called smsc47m1. +config SENSORS_SMSC47M192 + tristate "SMSC LPC47M192 and compatibles" + depends on HWMON && I2C && EXPERIMENTAL + select HWMON_VID + help + If you say yes here you get support for the temperature and + voltage sensors of the SMSC LPC47M192 and LPC47M997 chips. + + The fan monitoring and control capabilities of these chips + are supported by another driver, select + "SMSC LPC47M10x and compatibles" above. You need both drivers + if you want fan control and voltage/temperature sensor support. + + This driver can also be built as a module. If so, the module + will be called smsc47m192. + config SENSORS_SMSC47B397 tristate "SMSC LPC47B397-NC" depends on HWMON && I2C && EXPERIMENTAL @@ -385,6 +432,16 @@ config SENSORS_W83781D This driver can also be built as a module. If so, the module will be called w83781d. +config SENSORS_W83791D + tristate "Winbond W83791D" + depends on HWMON && I2C && EXPERIMENTAL + select HWMON_VID + help + If you say yes here you get support for the Winbond W83791D chip. + + This driver can also be built as a module. If so, the module + will be called w83791d. + config SENSORS_W83792D tristate "Winbond W83792D" depends on HWMON && I2C && EXPERIMENTAL diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index fbdb8d9..3141584 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -10,7 +10,9 @@ obj-$(CONFIG_SENSORS_ASB100) += asb100.o obj-$(CONFIG_SENSORS_W83627HF) += w83627hf.o obj-$(CONFIG_SENSORS_W83792D) += w83792d.o obj-$(CONFIG_SENSORS_W83781D) += w83781d.o +obj-$(CONFIG_SENSORS_W83791D) += w83791d.o +obj-$(CONFIG_SENSORS_ABITUGURU) += abituguru.o obj-$(CONFIG_SENSORS_ADM1021) += adm1021.o obj-$(CONFIG_SENSORS_ADM1025) += adm1025.o obj-$(CONFIG_SENSORS_ADM1026) += adm1026.o @@ -26,6 +28,7 @@ obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o obj-$(CONFIG_SENSORS_HDAPS) += hdaps.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_LM63) += lm63.o +obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM75) += lm75.o obj-$(CONFIG_SENSORS_LM77) += lm77.o obj-$(CONFIG_SENSORS_LM78) += lm78.o @@ -40,6 +43,7 @@ obj-$(CONFIG_SENSORS_PC87360) += pc87360.o obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o +obj-$(CONFIG_SENSORS_SMSC47M192)+= smsc47m192.o obj-$(CONFIG_SENSORS_VIA686A) += via686a.o obj-$(CONFIG_SENSORS_VT8231) += vt8231.o obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o diff --git a/drivers/hwmon/abituguru.c b/drivers/hwmon/abituguru.c new file mode 100644 index 0000000..59122cc --- /dev/null +++ b/drivers/hwmon/abituguru.c @@ -0,0 +1,1415 @@ +/* + abituguru.c Copyright (c) 2005-2006 Hans de Goede <j.w.r.degoede@hhs.nl> + + 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. +*/ +/* + This driver supports the sensor part of the custom Abit uGuru chip found + on Abit uGuru motherboards. Note: because of lack of specs the CPU / RAM / + etc voltage & frequency control is not supported! +*/ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/mutex.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <asm/io.h> + +/* Banks */ +#define ABIT_UGURU_ALARM_BANK 0x20 /* 1x 3 bytes */ +#define ABIT_UGURU_SENSOR_BANK1 0x21 /* 16x volt and temp */ +#define ABIT_UGURU_FAN_PWM 0x24 /* 3x 5 bytes */ +#define ABIT_UGURU_SENSOR_BANK2 0x26 /* fans */ +/* max nr of sensors in bank1, a bank1 sensor can be in, temp or nc */ +#define ABIT_UGURU_MAX_BANK1_SENSORS 16 +/* Warning if you increase one of the 2 MAX defines below to 10 or higher you + should adjust the belonging _NAMES_LENGTH macro for the 2 digit number! */ +/* max nr of sensors in bank2, currently mb's with max 6 fans are known */ +#define ABIT_UGURU_MAX_BANK2_SENSORS 6 +/* max nr of pwm outputs, currently mb's with max 5 pwm outputs are known */ +#define ABIT_UGURU_MAX_PWMS 5 +/* uGuru sensor bank 1 flags */ /* Alarm if: */ +#define ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE 0x01 /* temp over warn */ +#define ABIT_UGURU_VOLT_HIGH_ALARM_ENABLE 0x02 /* volt over max */ +#define ABIT_UGURU_VOLT_LOW_ALARM_ENABLE 0x04 /* volt under min */ +#define ABIT_UGURU_TEMP_HIGH_ALARM_FLAG 0x10 /* temp is over warn */ +#define ABIT_UGURU_VOLT_HIGH_ALARM_FLAG 0x20 /* volt is over max */ +#define ABIT_UGURU_VOLT_LOW_ALARM_FLAG 0x40 /* volt is under min */ +/* uGuru sensor bank 2 flags */ /* Alarm if: */ +#define ABIT_UGURU_FAN_LOW_ALARM_ENABLE 0x01 /* fan under min */ +/* uGuru sensor bank common flags */ +#define ABIT_UGURU_BEEP_ENABLE 0x08 /* beep if alarm */ +#define ABIT_UGURU_SHUTDOWN_ENABLE 0x80 /* shutdown if alarm */ +/* uGuru fan PWM (speed control) flags */ +#define ABIT_UGURU_FAN_PWM_ENABLE 0x80 /* enable speed control */ +/* Values used for conversion */ +#define ABIT_UGURU_FAN_MAX 15300 /* RPM */ +/* Bank1 sensor types */ +#define ABIT_UGURU_IN_SENSOR 0 +#define ABIT_UGURU_TEMP_SENSOR 1 +#define ABIT_UGURU_NC 2 +/* Timeouts / Retries, if these turn out to need a lot of fiddling we could + convert them to params. */ +/* 250 was determined by trial and error, 200 works most of the time, but not + always. I assume this is cpu-speed independent, since the ISA-bus and not + the CPU should be the bottleneck. Note that 250 sometimes is still not + enough (only reported on AN7 mb) this is handled by a higher layer. */ +#define ABIT_UGURU_WAIT_TIMEOUT 250 +/* Normally all expected status in abituguru_ready, are reported after the + first read, but sometimes not and we need to poll, 5 polls was not enough + 50 sofar is. */ +#define ABIT_UGURU_READY_TIMEOUT 50 +/* Maximum 3 retries on timedout reads/writes, delay 200 ms before retrying */ +#define ABIT_UGURU_MAX_RETRIES 3 +#define ABIT_UGURU_RETRY_DELAY (HZ/5) +/* Maximum 2 timeouts in abituguru_update_device, iow 3 in a row is an error */ +#define ABIT_UGURU_MAX_TIMEOUTS 2 +/* utility macros */ +#define ABIT_UGURU_NAME "abituguru" +#define ABIT_UGURU_DEBUG(level, format, arg...) \ + if (level <= verbose) \ + printk(KERN_DEBUG ABIT_UGURU_NAME ": " format , ## arg) +/* Macros to help calculate the sysfs_names array length */ +/* sum of strlen of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0, + in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0 */ +#define ABITUGURU_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14) +/* sum of strlen of: temp??_input\0, temp??_max\0, temp??_crit\0, + temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0 */ +#define ABITUGURU_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16) +/* sum of strlen of: fan?_input\0, fan?_min\0, fan?_alarm\0, + fan?_alarm_enable\0, fan?_beep\0, fan?_shutdown\0 */ +#define ABITUGURU_FAN_NAMES_LENGTH (11 + 9 + 11 + 18 + 10 + 14) +/* sum of strlen of: pwm?_enable\0, pwm?_auto_channels_temp\0, + pwm?_auto_point{1,2}_pwm\0, pwm?_auto_point{1,2}_temp\0 */ +#define ABITUGURU_PWM_NAMES_LENGTH (12 + 24 + 2 * 21 + 2 * 22) +/* IN_NAMES_LENGTH > TEMP_NAMES_LENGTH so assume all bank1 sensors are in */ +#define ABITUGURU_SYSFS_NAMES_LENGTH ( \ + ABIT_UGURU_MAX_BANK1_SENSORS * ABITUGURU_IN_NAMES_LENGTH + \ + ABIT_UGURU_MAX_BANK2_SENSORS * ABITUGURU_FAN_NAMES_LENGTH + \ + ABIT_UGURU_MAX_PWMS * ABITUGURU_PWM_NAMES_LENGTH) + +/* All the macros below are named identical to the oguru and oguru2 programs + reverse engineered by Olle Sandberg, hence the names might not be 100% + logical. I could come up with better names, but I prefer keeping the names + identical so that this driver can be compared with his work more easily. */ +/* Two i/o-ports are used by uGuru */ +#define ABIT_UGURU_BASE 0x00E0 +/* Used to tell uGuru what to read and to read the actual data */ +#define ABIT_UGURU_CMD 0x00 +/* Mostly used to check if uGuru is busy */ +#define ABIT_UGURU_DATA 0x04 +#define ABIT_UGURU_REGION_LENGTH 5 +/* uGuru status' */ +#define ABIT_UGURU_STATUS_WRITE 0x00 /* Ready to be written */ +#define ABIT_UGURU_STATUS_READ 0x01 /* Ready to be read */ +#define ABIT_UGURU_STATUS_INPUT 0x08 /* More input */ +#define ABIT_UGURU_STATUS_READY 0x09 /* Ready to be written */ + +/* Constants */ +/* in (Volt) sensors go up to 3494 mV, temp to 255000 millidegrees Celsius */ +static const int abituguru_bank1_max_value[2] = { 3494, 255000 }; +/* Min / Max allowed values for sensor2 (fan) alarm threshold, these values + correspond to 300-3000 RPM */ +static const u8 abituguru_bank2_min_threshold = 5; +static const u8 abituguru_bank2_max_threshold = 50; +/* Register 0 is a bitfield, 1 and 2 are pwm settings (255 = 100%), 3 and 4 + are temperature trip points. */ +static const int abituguru_pwm_settings_multiplier[5] = { 0, 1, 1, 1000, 1000 }; +/* Min / Max allowed values for pwm_settings. Note: pwm1 (CPU fan) is a + special case the minium allowed pwm% setting for this is 30% (77) on + some MB's this special case is handled in the code! */ +static const u8 abituguru_pwm_min[5] = { 0, 170, 170, 25, 25 }; +static const u8 abituguru_pwm_max[5] = { 0, 255, 255, 75, 75 }; + + +/* Insmod parameters */ +static int force; +module_param(force, bool, 0); +MODULE_PARM_DESC(force, "Set to one to force detection."); +static int fan_sensors; +module_param(fan_sensors, int, 0); +MODULE_PARM_DESC(fan_sensors, "Number of fan sensors on the uGuru " + "(0 = autodetect)"); +static int pwms; +module_param(pwms, int, 0); +MODULE_PARM_DESC(pwms, "Number of PWMs on the uGuru " + "(0 = autodetect)"); + +/* Default verbose is 2, since this driver is still in the testing phase */ +static int verbose = 2; +module_param(verbose, int, 0644); +MODULE_PARM_DESC(verbose, "How verbose should the driver be? (0-3):\n" + " 0 normal output\n" + " 1 + verbose error reporting\n" + " 2 + sensors type probing info\n" + " 3 + retryable error reporting"); + + +/* For the Abit uGuru, we need to keep some data in memory. + The structure is dynamically allocated, at the same time when a new + abituguru device is allocated. */ +struct abituguru_data { + struct class_device *class_dev; /* hwmon registered device */ + struct mutex update_lock; /* protect access to data and uGuru */ + unsigned long last_updated; /* In jiffies */ + unsigned short addr; /* uguru base address */ + char uguru_ready; /* is the uguru in ready state? */ + unsigned char update_timeouts; /* number of update timeouts since last + successful update */ + + /* The sysfs attr and their names are generated automatically, for bank1 + we cannot use a predefined array because we don't know beforehand + of a sensor is a volt or a temp sensor, for bank2 and the pwms its + easier todo things the same way. For in sensors we have 9 (temp 7) + sysfs entries per sensor, for bank2 and pwms 6. */ + struct sensor_device_attribute_2 sysfs_attr[ + ABIT_UGURU_MAX_BANK1_SENSORS * 9 + + ABIT_UGURU_MAX_BANK2_SENSORS * 6 + ABIT_UGURU_MAX_PWMS * 6]; + /* Buffer to store the dynamically generated sysfs names */ + char sysfs_names[ABITUGURU_SYSFS_NAMES_LENGTH]; + + /* Bank 1 data */ + /* number of and addresses of [0] in, [1] temp sensors */ + u8 bank1_sensors[2]; + u8 bank1_address[2][ABIT_UGURU_MAX_BANK1_SENSORS]; + u8 bank1_value[ABIT_UGURU_MAX_BANK1_SENSORS]; + /* This array holds 3 entries per sensor for the bank 1 sensor settings + (flags, min, max for voltage / flags, warn, shutdown for temp). */ + u8 bank1_settings[ABIT_UGURU_MAX_BANK1_SENSORS][3]; + /* Maximum value for each sensor used for scaling in mV/millidegrees + Celsius. */ + int bank1_max_value[ABIT_UGURU_MAX_BANK1_SENSORS]; + + /* Bank 2 data, ABIT_UGURU_MAX_BANK2_SENSORS entries for bank2 */ + u8 bank2_sensors; /* actual number of bank2 sensors found */ + u8 bank2_value[ABIT_UGURU_MAX_BANK2_SENSORS]; + u8 bank2_settings[ABIT_UGURU_MAX_BANK2_SENSORS][2]; /* flags, min */ + + /* Alarms 2 bytes for bank1, 1 byte for bank2 */ + u8 alarms[3]; + + /* Fan PWM (speed control) 5 bytes per PWM */ + u8 pwms; /* actual number of pwms found */ + u8 pwm_settings[ABIT_UGURU_MAX_PWMS][5]; +}; + +/* wait till the uguru is in the specified state */ +static int abituguru_wait(struct abituguru_data *data, u8 state) +{ + int timeout = ABIT_UGURU_WAIT_TIMEOUT; + + while (inb_p(data->addr + ABIT_UGURU_DATA) != state) { + timeout--; + if (timeout == 0) + return -EBUSY; + } + return 0; +} + +/* Put the uguru in ready for input state */ +static int abituguru_ready(struct abituguru_data *data) +{ + int timeout = ABIT_UGURU_READY_TIMEOUT; + + if (data->uguru_ready) + return 0; + + /* Reset? / Prepare for next read/write cycle */ + outb(0x00, data->addr + ABIT_UGURU_DATA); + + /* Wait till the uguru is ready */ + if (abituguru_wait(data, ABIT_UGURU_STATUS_READY)) { + ABIT_UGURU_DEBUG(1, + "timeout exceeded waiting for ready state\n"); + return -EIO; + } + + /* Cmd port MUST be read now and should contain 0xAC */ + while (inb_p(data->addr + ABIT_UGURU_CMD) != 0xAC) { + timeout--; + if (timeout == 0) { + ABIT_UGURU_DEBUG(1, + "CMD reg does not hold 0xAC after ready command\n"); + return -EIO; + } + } + + /* After this the ABIT_UGURU_DATA port should contain + ABIT_UGURU_STATUS_INPUT */ + timeout = ABIT_UGURU_READY_TIMEOUT; + while (inb_p(data->addr + ABIT_UGURU_DATA) != ABIT_UGURU_STATUS_INPUT) { + timeout--; + if (timeout == 0) { + ABIT_UGURU_DEBUG(1, + "state != more input after ready command\n"); + return -EIO; + } + } + + data->uguru_ready = 1; + return 0; +} + +/* Send the bank and then sensor address to the uGuru for the next read/write + cycle. This function gets called as the first part of a read/write by + abituguru_read and abituguru_write. This function should never be + called by any other function. */ +static int abituguru_send_address(struct abituguru_data *data, + u8 bank_addr, u8 sensor_addr, int retries) +{ + /* assume the caller does error handling itself if it has not requested + any retries, and thus be quiet. */ + int report_errors = retries; + + for (;;) { + /* Make sure the uguru is ready and then send the bank address, + after this the uguru is no longer "ready". */ + if (abituguru_ready(data) != 0) + return -EIO; + outb(bank_addr, data->addr + ABIT_UGURU_DATA); + data->uguru_ready = 0; + + /* Wait till the uguru is ABIT_UGURU_STATUS_INPUT state again + and send the sensor addr */ + if (abituguru_wait(data, ABIT_UGURU_STATUS_INPUT)) { + if (retries) { + ABIT_UGURU_DEBUG(3, "timeout exceeded " + "waiting for more input state, %d " + "tries remaining\n", retries); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(ABIT_UGURU_RETRY_DELAY); + retries--; + continue; + } + if (report_errors) + ABIT_UGURU_DEBUG(1, "timeout exceeded " + "waiting for more input state " + "(bank: %d)\n", (int)bank_addr); + return -EBUSY; + } + outb(sensor_addr, data->addr + ABIT_UGURU_CMD); + return 0; + } +} + +/* Read count bytes from sensor sensor_addr in bank bank_addr and store the + result in buf, retry the send address part of the read retries times. */ +static int abituguru_read(struct abituguru_data *data, + u8 bank_addr, u8 sensor_addr, u8 *buf, int count, int retries) +{ + int i; + + /* Send the address */ + i = abituguru_send_address(data, bank_addr, sensor_addr, retries); + if (i) + return i; + + /* And read the data */ + for (i = 0; i < count; i++) { + if (abituguru_wait(data, ABIT_UGURU_STATUS_READ)) { + ABIT_UGURU_DEBUG(1, "timeout exceeded waiting for " + "read state (bank: %d, sensor: %d)\n", + (int)bank_addr, (int)sensor_addr); + break; + } + buf[i] = inb(data->addr + ABIT_UGURU_CMD); + } + + /* Last put the chip back in ready state */ + abituguru_ready(data); + + return i; +} + +/* Write count bytes from buf to sensor sensor_addr in bank bank_addr, the send + address part of the write is always retried ABIT_UGURU_MAX_RETRIES times. */ +static int abituguru_write(struct abituguru_data *data, + u8 bank_addr, u8 sensor_addr, u8 *buf, int count) +{ + int i; + + /* Send the address */ + i = abituguru_send_address(data, bank_addr, sensor_addr, + ABIT_UGURU_MAX_RETRIES); + if (i) + return i; + + /* And write the data */ + for (i = 0; i < count; i++) { + if (abituguru_wait(data, ABIT_UGURU_STATUS_WRITE)) { + ABIT_UGURU_DEBUG(1, "timeout exceeded waiting for " + "write state (bank: %d, sensor: %d)\n", + (int)bank_addr, (int)sensor_addr); + break; + } + outb(buf[i], data->addr + ABIT_UGURU_CMD); + } + + /* Now we need to wait till the chip is ready to be read again, + don't ask why */ + if (abituguru_wait(data, ABIT_UGURU_STATUS_READ)) { + ABIT_UGURU_DEBUG(1, "timeout exceeded waiting for read state " + "after write (bank: %d, sensor: %d)\n", (int)bank_addr, + (int)sensor_addr); + return -EIO; + } + + /* Cmd port MUST be read now and should contain 0xAC */ + if (inb_p(data->addr + ABIT_UGURU_CMD) != 0xAC) { + ABIT_UGURU_DEBUG(1, "CMD reg does not hold 0xAC after write " + "(bank: %d, sensor: %d)\n", (int)bank_addr, + (int)sensor_addr); + return -EIO; + } + + /* Last put the chip back in ready state */ + abituguru_ready(data); + + return i; +} + +/* Detect sensor type. Temp and Volt sensors are enabled with + different masks and will ignore enable masks not meant for them. + This enables us to test what kind of sensor we're dealing with. + By setting the alarm thresholds so that we will always get an + alarm for sensor type X and then enabling the sensor as sensor type + X, if we then get an alarm it is a sensor of type X. */ +static int __devinit +abituguru_detect_bank1_sensor_type(struct abituguru_data *data, + u8 sensor_addr) +{ + u8 val, buf[3]; + int ret = ABIT_UGURU_NC; + + /* First read the sensor and the current settings */ + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1, sensor_addr, &val, + 1, ABIT_UGURU_MAX_RETRIES) != 1) + return -ENODEV; + + /* Test val is sane / usable for sensor type detection. */ + if ((val < 10u) || (val > 240u)) { + printk(KERN_WARNING ABIT_UGURU_NAME + ": bank1-sensor: %d reading (%d) too close to limits, " + "unable to determine sensor type, skipping sensor\n", + (int)sensor_addr, (int)val); + /* assume no sensor is there for sensors for which we can't + determine the sensor type because their reading is too close + to their limits, this usually means no sensor is there. */ + return ABIT_UGURU_NC; + } + + ABIT_UGURU_DEBUG(2, "testing bank1 sensor %d\n", (int)sensor_addr); + /* Volt sensor test, enable volt low alarm, set min value ridicously + high. If its a volt sensor this should always give us an alarm. */ + buf[0] = ABIT_UGURU_VOLT_LOW_ALARM_ENABLE; + buf[1] = 245; + buf[2] = 250; + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr, + buf, 3) != 3) + return -ENODEV; + /* Now we need 20 ms to give the uguru time to read the sensors + and raise a voltage alarm */ + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ/50); + /* Check for alarm and check the alarm is a volt low alarm. */ + if (abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0, buf, 3, + ABIT_UGURU_MAX_RETRIES) != 3) + return -ENODEV; + if (buf[sensor_addr/8] & (0x01 << (sensor_addr % 8))) { + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1 + 1, + sensor_addr, buf, 3, + ABIT_UGURU_MAX_RETRIES) != 3) + return -ENODEV; + if (buf[0] & ABIT_UGURU_VOLT_LOW_ALARM_FLAG) { + /* Restore original settings */ + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, + sensor_addr, + data->bank1_settings[sensor_addr], + 3) != 3) + return -ENODEV; + ABIT_UGURU_DEBUG(2, " found volt sensor\n"); + return ABIT_UGURU_IN_SENSOR; + } else + ABIT_UGURU_DEBUG(2, " alarm raised during volt " + "sensor test, but volt low flag not set\n"); + } else + ABIT_UGURU_DEBUG(2, " alarm not raised during volt sensor " + "test\n"); + + /* Temp sensor test, enable sensor as a temp sensor, set beep value + ridicously low (but not too low, otherwise uguru ignores it). + If its a temp sensor this should always give us an alarm. */ + buf[0] = ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE; + buf[1] = 5; + buf[2] = 10; + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr, + buf, 3) != 3) + return -ENODEV; + /* Now we need 50 ms to give the uguru time to read the sensors + and raise a temp alarm */ + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ/20); + /* Check for alarm and check the alarm is a temp high alarm. */ + if (abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0, buf, 3, + ABIT_UGURU_MAX_RETRIES) != 3) + return -ENODEV; + if (buf[sensor_addr/8] & (0x01 << (sensor_addr % 8))) { + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1 + 1, + sensor_addr, buf, 3, + ABIT_UGURU_MAX_RETRIES) != 3) + return -ENODEV; + if (buf[0] & ABIT_UGURU_TEMP_HIGH_ALARM_FLAG) { + ret = ABIT_UGURU_TEMP_SENSOR; + ABIT_UGURU_DEBUG(2, " found temp sensor\n"); + } else + ABIT_UGURU_DEBUG(2, " alarm raised during temp " + "sensor test, but temp high flag not set\n"); + } else + ABIT_UGURU_DEBUG(2, " alarm not raised during temp sensor " + "test\n"); + + /* Restore original settings */ + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, sensor_addr, + data->bank1_settings[sensor_addr], 3) != 3) + return -ENODEV; + + return ret; +} + +/* These functions try to find out how many sensors there are in bank2 and how + many pwms there are. The purpose of this is to make sure that we don't give + the user the possibility to change settings for non-existent sensors / pwm. + The uGuru will happily read / write whatever memory happens to be after the + memory storing the PWM settings when reading/writing to a PWM which is not + there. Notice even if we detect a PWM which doesn't exist we normally won't + write to it, unless the user tries to change the settings. + + Although the uGuru allows reading (settings) from non existing bank2 + sensors, my version of the uGuru does seem to stop writing to them, the + write function above aborts in this case with: + "CMD reg does not hold 0xAC after write" + + Notice these 2 tests are non destructive iow read-only tests, otherwise + they would defeat their purpose. Although for the bank2_sensors detection a + read/write test would be feasible because of the reaction above, I've + however opted to stay on the safe side. */ +static void __devinit +abituguru_detect_no_bank2_sensors(struct abituguru_data *data) +{ + int i; + + if (fan_sensors) { + data->bank2_sensors = fan_sensors; + ABIT_UGURU_DEBUG(2, "assuming %d fan sensors because of " + "\"fan_sensors\" module param\n", + (int)data->bank2_sensors); + return; + } + + ABIT_UGURU_DEBUG(2, "detecting number of fan sensors\n"); + for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) { + /* 0x89 are the known used bits: + -0x80 enable shutdown + -0x08 enable beep + -0x01 enable alarm + All other bits should be 0, but on some motherboards + 0x40 (bit 6) is also high for some of the fans?? */ + if (data->bank2_settings[i][0] & ~0xC9) { + ABIT_UGURU_DEBUG(2, " bank2 sensor %d does not seem " + "to be a fan sensor: settings[0] = %02X\n", + i, (unsigned int)data->bank2_settings[i][0]); + break; + } + + /* check if the threshold is within the allowed range */ + if (data->bank2_settings[i][1] < + abituguru_bank2_min_threshold) { + ABIT_UGURU_DEBUG(2, " bank2 sensor %d does not seem " + "to be a fan sensor: the threshold (%d) is " + "below the minimum (%d)\n", i, + (int)data->bank2_settings[i][1], + (int)abituguru_bank2_min_threshold); + break; + } + if (data->bank2_settings[i][1] > + abituguru_bank2_max_threshold) { + ABIT_UGURU_DEBUG(2, " bank2 sensor %d does not seem " + "to be a fan sensor: the threshold (%d) is " + "above the maximum (%d)\n", i, + (int)data->bank2_settings[i][1], + (int)abituguru_bank2_max_threshold); + break; + } + } + + data->bank2_sensors = i; + ABIT_UGURU_DEBUG(2, " found: %d fan sensors\n", + (int)data->bank2_sensors); +} + +static void __devinit +abituguru_detect_no_pwms(struct abituguru_data *data) +{ + int i, j; + + if (pwms) { + data->pwms = pwms; + ABIT_UGURU_DEBUG(2, "assuming %d PWM outputs because of " + "\"pwms\" module param\n", (int)data->pwms); + return; + } + + ABIT_UGURU_DEBUG(2, "detecting number of PWM outputs\n"); + for (i = 0; i < ABIT_UGURU_MAX_PWMS; i++) { + /* 0x80 is the enable bit and the low + nibble is which temp sensor to use, + the other bits should be 0 */ + if (data->pwm_settings[i][0] & ~0x8F) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does not seem " + "to be a pwm channel: settings[0] = %02X\n", + i, (unsigned int)data->pwm_settings[i][0]); + break; + } + + /* the low nibble must correspond to one of the temp sensors + we've found */ + for (j = 0; j < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]; + j++) { + if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][j] == + (data->pwm_settings[i][0] & 0x0F)) + break; + } + if (j == data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does not seem " + "to be a pwm channel: %d is not a valid temp " + "sensor address\n", i, + data->pwm_settings[i][0] & 0x0F); + break; + } + + /* check if all other settings are within the allowed range */ + for (j = 1; j < 5; j++) { + u8 min; + /* special case pwm1 min pwm% */ + if ((i == 0) && ((j == 1) || (j == 2))) + min = 77; + else + min = abituguru_pwm_min[j]; + if (data->pwm_settings[i][j] < min) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does " + "not seem to be a pwm channel: " + "setting %d (%d) is below the minimum " + "value (%d)\n", i, j, + (int)data->pwm_settings[i][j], + (int)min); + goto abituguru_detect_no_pwms_exit; + } + if (data->pwm_settings[i][j] > abituguru_pwm_max[j]) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does " + "not seem to be a pwm channel: " + "setting %d (%d) is above the maximum " + "value (%d)\n", i, j, + (int)data->pwm_settings[i][j], + (int)abituguru_pwm_max[j]); + goto abituguru_detect_no_pwms_exit; + } + } + + /* check that min temp < max temp and min pwm < max pwm */ + if (data->pwm_settings[i][1] >= data->pwm_settings[i][2]) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does not seem " + "to be a pwm channel: min pwm (%d) >= " + "max pwm (%d)\n", i, + (int)data->pwm_settings[i][1], + (int)data->pwm_settings[i][2]); + break; + } + if (data->pwm_settings[i][3] >= data->pwm_settings[i][4]) { + ABIT_UGURU_DEBUG(2, " pwm channel %d does not seem " + "to be a pwm channel: min temp (%d) >= " + "max temp (%d)\n", i, + (int)data->pwm_settings[i][3], + (int)data->pwm_settings[i][4]); + break; + } + } + +abituguru_detect_no_pwms_exit: + data->pwms = i; + ABIT_UGURU_DEBUG(2, " found: %d PWM outputs\n", (int)data->pwms); +} + +/* Following are the sysfs callback functions. These functions expect: + sensor_device_attribute_2->index: sensor address/offset in the bank + sensor_device_attribute_2->nr: register offset, bitmask or NA. */ +static struct abituguru_data *abituguru_update_device(struct device *dev); + +static ssize_t show_bank1_value(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = abituguru_update_device(dev); + if (!data) + return -EIO; + return sprintf(buf, "%d\n", (data->bank1_value[attr->index] * + data->bank1_max_value[attr->index] + 128) / 255); +} + +static ssize_t show_bank1_setting(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", + (data->bank1_settings[attr->index][attr->nr] * + data->bank1_max_value[attr->index] + 128) / 255); +} + +static ssize_t show_bank2_value(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = abituguru_update_device(dev); + if (!data) + return -EIO; + return sprintf(buf, "%d\n", (data->bank2_value[attr->index] * + ABIT_UGURU_FAN_MAX + 128) / 255); +} + +static ssize_t show_bank2_setting(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", + (data->bank2_settings[attr->index][attr->nr] * + ABIT_UGURU_FAN_MAX + 128) / 255); +} + +static ssize_t store_bank1_setting(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + u8 val = (simple_strtoul(buf, NULL, 10) * 255 + + data->bank1_max_value[attr->index]/2) / + data->bank1_max_value[attr->index]; + ssize_t ret = count; + + mutex_lock(&data->update_lock); + if (data->bank1_settings[attr->index][attr->nr] != val) { + u8 orig_val = data->bank1_settings[attr->index][attr->nr]; + data->bank1_settings[attr->index][attr->nr] = val; + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK1 + 2, + attr->index, data->bank1_settings[attr->index], + 3) <= attr->nr) { + data->bank1_settings[attr->index][attr->nr] = orig_val; + ret = -EIO; + } + } + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t store_bank2_setting(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + u8 val = (simple_strtoul(buf, NULL, 10)*255 + ABIT_UGURU_FAN_MAX/2) / + ABIT_UGURU_FAN_MAX; + ssize_t ret = count; + + /* this check can be done before taking the lock */ + if ((val < abituguru_bank2_min_threshold) || + (val > abituguru_bank2_max_threshold)) + return -EINVAL; + + mutex_lock(&data->update_lock); + if (data->bank2_settings[attr->index][attr->nr] != val) { + u8 orig_val = data->bank2_settings[attr->index][attr->nr]; + data->bank2_settings[attr->index][attr->nr] = val; + if (abituguru_write(data, ABIT_UGURU_SENSOR_BANK2 + 2, + attr->index, data->bank2_settings[attr->index], + 2) <= attr->nr) { + data->bank2_settings[attr->index][attr->nr] = orig_val; + ret = -EIO; + } + } + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t show_bank1_alarm(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = abituguru_update_device(dev); + if (!data) + return -EIO; + /* See if the alarm bit for this sensor is set, and if the + alarm matches the type of alarm we're looking for (for volt + it can be either low or high). The type is stored in a few + readonly bits in the settings part of the relevant sensor. + The bitmask of the type is passed to us in attr->nr. */ + if ((data->alarms[attr->index / 8] & (0x01 << (attr->index % 8))) && + (data->bank1_settings[attr->index][0] & attr->nr)) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static ssize_t show_bank2_alarm(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = abituguru_update_device(dev); + if (!data) + return -EIO; + if (data->alarms[2] & (0x01 << attr->index)) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static ssize_t show_bank1_mask(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + if (data->bank1_settings[attr->index][0] & attr->nr) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static ssize_t show_bank2_mask(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + if (data->bank2_settings[attr->index][0] & attr->nr) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static ssize_t store_bank1_mask(struct device *dev, + struct device_attribute *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + int mask = simple_strtoul(buf, NULL, 10); + ssize_t ret = count; + u8 orig_val; + + mutex_lock(&data->update_lock); + orig_val = data->bank1_settings[attr->index][0]; + + if (mask) + data->bank1_settings[attr->index][0] |= attr->nr; + else + data->bank1_settings[attr->index][0] &= ~attr->nr; + + if ((data->bank1_settings[attr->index][0] != orig_val) && + (abituguru_write(data, + ABIT_UGURU_SENSOR_BANK1 + 2, attr->index, + data->bank1_settings[attr->index], 3) < 1)) { + data->bank1_settings[attr->index][0] = orig_val; + ret = -EIO; + } + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t store_bank2_mask(struct device *dev, + struct device_attribute *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + int mask = simple_strtoul(buf, NULL, 10); + ssize_t ret = count; + u8 orig_val; + + mutex_lock(&data->update_lock); + orig_val = data->bank2_settings[attr->index][0]; + + if (mask) + data->bank2_settings[attr->index][0] |= attr->nr; + else + data->bank2_settings[attr->index][0] &= ~attr->nr; + + if ((data->bank2_settings[attr->index][0] != orig_val) && + (abituguru_write(data, + ABIT_UGURU_SENSOR_BANK2 + 2, attr->index, + data->bank2_settings[attr->index], 2) < 1)) { + data->bank2_settings[attr->index][0] = orig_val; + ret = -EIO; + } + mutex_unlock(&data->update_lock); + return ret; +} + +/* Fan PWM (speed control) */ +static ssize_t show_pwm_setting(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", data->pwm_settings[attr->index][attr->nr] * + abituguru_pwm_settings_multiplier[attr->nr]); +} + +static ssize_t store_pwm_setting(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + u8 min, val = (simple_strtoul(buf, NULL, 10) + + abituguru_pwm_settings_multiplier[attr->nr]/2) / + abituguru_pwm_settings_multiplier[attr->nr]; + ssize_t ret = count; + + /* special case pwm1 min pwm% */ + if ((attr->index == 0) && ((attr->nr == 1) || (attr->nr == 2))) + min = 77; + else + min = abituguru_pwm_min[attr->nr]; + + /* this check can be done before taking the lock */ + if ((val < min) || (val > abituguru_pwm_max[attr->nr])) + return -EINVAL; + + mutex_lock(&data->update_lock); + /* this check needs to be done after taking the lock */ + if ((attr->nr & 1) && + (val >= data->pwm_settings[attr->index][attr->nr + 1])) + ret = -EINVAL; + else if (!(attr->nr & 1) && + (val <= data->pwm_settings[attr->index][attr->nr - 1])) + ret = -EINVAL; + else if (data->pwm_settings[attr->index][attr->nr] != val) { + u8 orig_val = data->pwm_settings[attr->index][attr->nr]; + data->pwm_settings[attr->index][attr->nr] = val; + if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1, + attr->index, data->pwm_settings[attr->index], + 5) <= attr->nr) { + data->pwm_settings[attr->index][attr->nr] = + orig_val; + ret = -EIO; + } + } + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t show_pwm_sensor(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + int i; + /* We need to walk to the temp sensor addresses to find what + the userspace id of the configured temp sensor is. */ + for (i = 0; i < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]; i++) + if (data->bank1_address[ABIT_UGURU_TEMP_SENSOR][i] == + (data->pwm_settings[attr->index][0] & 0x0F)) + return sprintf(buf, "%d\n", i+1); + + return -ENXIO; +} + +static ssize_t store_pwm_sensor(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + unsigned long val = simple_strtoul(buf, NULL, 10) - 1; + ssize_t ret = count; + + mutex_lock(&data->update_lock); + if (val < data->bank1_sensors[ABIT_UGURU_TEMP_SENSOR]) { + u8 orig_val = data->pwm_settings[attr->index][0]; + u8 address = data->bank1_address[ABIT_UGURU_TEMP_SENSOR][val]; + data->pwm_settings[attr->index][0] &= 0xF0; + data->pwm_settings[attr->index][0] |= address; + if (data->pwm_settings[attr->index][0] != orig_val) { + if (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1, + attr->index, + data->pwm_settings[attr->index], + 5) < 1) { + data->pwm_settings[attr->index][0] = orig_val; + ret = -EIO; + } + } + } + else + ret = -EINVAL; + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t show_pwm_enable(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + int res = 0; + if (data->pwm_settings[attr->index][0] & ABIT_UGURU_FAN_PWM_ENABLE) + res = 2; + return sprintf(buf, "%d\n", res); +} + +static ssize_t store_pwm_enable(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct abituguru_data *data = dev_get_drvdata(dev); + u8 orig_val, user_val = simple_strtoul(buf, NULL, 10); + ssize_t ret = count; + + mutex_lock(&data->update_lock); + orig_val = data->pwm_settings[attr->index][0]; + switch (user_val) { + case 0: + data->pwm_settings[attr->index][0] &= + ~ABIT_UGURU_FAN_PWM_ENABLE; + break; + case 2: + data->pwm_settings[attr->index][0] |= + ABIT_UGURU_FAN_PWM_ENABLE; + break; + default: + ret = -EINVAL; + } + if ((data->pwm_settings[attr->index][0] != orig_val) && + (abituguru_write(data, ABIT_UGURU_FAN_PWM + 1, + attr->index, data->pwm_settings[attr->index], + 5) < 1)) { + data->pwm_settings[attr->index][0] = orig_val; + ret = -EIO; + } + mutex_unlock(&data->update_lock); + return ret; +} + +static ssize_t show_name(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + return sprintf(buf, "%s\n", ABIT_UGURU_NAME); +} + +/* Sysfs attr templates, the real entries are generated automatically. */ +static const +struct sensor_device_attribute_2 abituguru_sysfs_bank1_templ[2][9] = { + { + SENSOR_ATTR_2(in%d_input, 0444, show_bank1_value, NULL, 0, 0), + SENSOR_ATTR_2(in%d_min, 0644, show_bank1_setting, + store_bank1_setting, 1, 0), + SENSOR_ATTR_2(in%d_min_alarm, 0444, show_bank1_alarm, NULL, + ABIT_UGURU_VOLT_LOW_ALARM_FLAG, 0), + SENSOR_ATTR_2(in%d_max, 0644, show_bank1_setting, + store_bank1_setting, 2, 0), + SENSOR_ATTR_2(in%d_max_alarm, 0444, show_bank1_alarm, NULL, + ABIT_UGURU_VOLT_HIGH_ALARM_FLAG, 0), + SENSOR_ATTR_2(in%d_beep, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_BEEP_ENABLE, 0), + SENSOR_ATTR_2(in%d_shutdown, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_SHUTDOWN_ENABLE, 0), + SENSOR_ATTR_2(in%d_min_alarm_enable, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_VOLT_LOW_ALARM_ENABLE, 0), + SENSOR_ATTR_2(in%d_max_alarm_enable, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_VOLT_HIGH_ALARM_ENABLE, 0), + }, { + SENSOR_ATTR_2(temp%d_input, 0444, show_bank1_value, NULL, 0, 0), + SENSOR_ATTR_2(temp%d_alarm, 0444, show_bank1_alarm, NULL, + ABIT_UGURU_TEMP_HIGH_ALARM_FLAG, 0), + SENSOR_ATTR_2(temp%d_max, 0644, show_bank1_setting, + store_bank1_setting, 1, 0), + SENSOR_ATTR_2(temp%d_crit, 0644, show_bank1_setting, + store_bank1_setting, 2, 0), + SENSOR_ATTR_2(temp%d_beep, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_BEEP_ENABLE, 0), + SENSOR_ATTR_2(temp%d_shutdown, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_SHUTDOWN_ENABLE, 0), + SENSOR_ATTR_2(temp%d_alarm_enable, 0644, show_bank1_mask, + store_bank1_mask, ABIT_UGURU_TEMP_HIGH_ALARM_ENABLE, 0), + } +}; + +static const struct sensor_device_attribute_2 abituguru_sysfs_fan_templ[6] = { + SENSOR_ATTR_2(fan%d_input, 0444, show_bank2_value, NULL, 0, 0), + SENSOR_ATTR_2(fan%d_alarm, 0444, show_bank2_alarm, NULL, 0, 0), + SENSOR_ATTR_2(fan%d_min, 0644, show_bank2_setting, + store_bank2_setting, 1, 0), + SENSOR_ATTR_2(fan%d_beep, 0644, show_bank2_mask, + store_bank2_mask, ABIT_UGURU_BEEP_ENABLE, 0), + SENSOR_ATTR_2(fan%d_shutdown, 0644, show_bank2_mask, + store_bank2_mask, ABIT_UGURU_SHUTDOWN_ENABLE, 0), + SENSOR_ATTR_2(fan%d_alarm_enable, 0644, show_bank2_mask, + store_bank2_mask, ABIT_UGURU_FAN_LOW_ALARM_ENABLE, 0), +}; + +static const struct sensor_device_attribute_2 abituguru_sysfs_pwm_templ[6] = { + SENSOR_ATTR_2(pwm%d_enable, 0644, show_pwm_enable, + store_pwm_enable, 0, 0), + SENSOR_ATTR_2(pwm%d_auto_channels_temp, 0644, show_pwm_sensor, + store_pwm_sensor, 0, 0), + SENSOR_ATTR_2(pwm%d_auto_point1_pwm, 0644, show_pwm_setting, + store_pwm_setting, 1, 0), + SENSOR_ATTR_2(pwm%d_auto_point2_pwm, 0644, show_pwm_setting, + store_pwm_setting, 2, 0), + SENSOR_ATTR_2(pwm%d_auto_point1_temp, 0644, show_pwm_setting, + store_pwm_setting, 3, 0), + SENSOR_ATTR_2(pwm%d_auto_point2_temp, 0644, show_pwm_setting, + store_pwm_setting, 4, 0), +}; + +static struct sensor_device_attribute_2 abituguru_sysfs_attr[] = { + SENSOR_ATTR_2(name, 0444, show_name, NULL, 0, 0), +}; + +static int __devinit abituguru_probe(struct platform_device *pdev) +{ + struct abituguru_data *data; + int i, j, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV; + char *sysfs_filename; + + /* El weirdo probe order, to keep the sysfs order identical to the + BIOS and window-appliction listing order. */ + const u8 probe_order[ABIT_UGURU_MAX_BANK1_SENSORS] = { + 0x00, 0x01, 0x03, 0x04, 0x0A, 0x08, 0x0E, 0x02, + 0x09, 0x06, 0x05, 0x0B, 0x0F, 0x0D, 0x07, 0x0C }; + + if (!(data = kzalloc(sizeof(struct abituguru_data), GFP_KERNEL))) + return -ENOMEM; + + data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start; + mutex_init(&data->update_lock); + platform_set_drvdata(pdev, data); + + /* See if the uGuru is ready */ + if (inb_p(data->addr + ABIT_UGURU_DATA) == ABIT_UGURU_STATUS_INPUT) + data->uguru_ready = 1; + + /* Completely read the uGuru this has 2 purposes: + - testread / see if one really is there. + - make an in memory copy of all the uguru settings for future use. */ + if (abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0, + data->alarms, 3, ABIT_UGURU_MAX_RETRIES) != 3) + goto abituguru_probe_error; + + for (i = 0; i < ABIT_UGURU_MAX_BANK1_SENSORS; i++) { + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1, i, + &data->bank1_value[i], 1, + ABIT_UGURU_MAX_RETRIES) != 1) + goto abituguru_probe_error; + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK1+1, i, + data->bank1_settings[i], 3, + ABIT_UGURU_MAX_RETRIES) != 3) + goto abituguru_probe_error; + } + /* Note: We don't know how many bank2 sensors / pwms there really are, + but in order to "detect" this we need to read the maximum amount + anyways. If we read sensors/pwms not there we'll just read crap + this can't hurt. We need the detection because we don't want + unwanted writes, which will hurt! */ + for (i = 0; i < ABIT_UGURU_MAX_BANK2_SENSORS; i++) { + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK2, i, + &data->bank2_value[i], 1, + ABIT_UGURU_MAX_RETRIES) != 1) + goto abituguru_probe_error; + if (abituguru_read(data, ABIT_UGURU_SENSOR_BANK2+1, i, + data->bank2_settings[i], 2, + ABIT_UGURU_MAX_RETRIES) != 2) + goto abituguru_probe_error; + } + for (i = 0; i < ABIT_UGURU_MAX_PWMS; i++) { + if (abituguru_read(data, ABIT_UGURU_FAN_PWM, i, + data->pwm_settings[i], 5, + ABIT_UGURU_MAX_RETRIES) != 5) + goto abituguru_probe_error; + } + data->last_updated = jiffies; + + /* Detect sensor types and fill the sysfs attr for bank1 */ + sysfs_attr_i = 0; + sysfs_filename = data->sysfs_names; + sysfs_names_free = ABITUGURU_SYSFS_NAMES_LENGTH; + for (i = 0; i < ABIT_UGURU_MAX_BANK1_SENSORS; i++) { + res = abituguru_detect_bank1_sensor_type(data, probe_order[i]); + if (res < 0) + goto abituguru_probe_error; + if (res == ABIT_UGURU_NC) + continue; + + /* res 1 (temp) sensors have 7 sysfs entries, 0 (in) 9 */ + for (j = 0; j < (res ? 7 : 9); j++) { + used = snprintf(sysfs_filename, sysfs_names_free, + abituguru_sysfs_bank1_templ[res][j].dev_attr. + attr.name, data->bank1_sensors[res] + res) + + 1; + data->sysfs_attr[sysfs_attr_i] = + abituguru_sysfs_bank1_templ[res][j]; + data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name = + sysfs_filename; + data->sysfs_attr[sysfs_attr_i].index = probe_order[i]; + sysfs_filename += used; + sysfs_names_free -= used; + sysfs_attr_i++; + } + data->bank1_max_value[probe_order[i]] = + abituguru_bank1_max_value[res]; + data->bank1_address[res][data->bank1_sensors[res]] = + probe_order[i]; + data->bank1_sensors[res]++; + } + /* Detect number of sensors and fill the sysfs attr for bank2 (fans) */ + abituguru_detect_no_bank2_sensors(data); + for (i = 0; i < data->bank2_sensors; i++) { + for (j = 0; j < ARRAY_SIZE(abituguru_sysfs_fan_templ); j++) { + used = snprintf(sysfs_filename, sysfs_names_free, + abituguru_sysfs_fan_templ[j].dev_attr.attr.name, + i + 1) + 1; + data->sysfs_attr[sysfs_attr_i] = + abituguru_sysfs_fan_templ[j]; + data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name = + sysfs_filename; + data->sysfs_attr[sysfs_attr_i].index = i; + sysfs_filename += used; + sysfs_names_free -= used; + sysfs_attr_i++; + } + } + /* Detect number of sensors and fill the sysfs attr for pwms */ + abituguru_detect_no_pwms(data); + for (i = 0; i < data->pwms; i++) { + for (j = 0; j < ARRAY_SIZE(abituguru_sysfs_pwm_templ); j++) { + used = snprintf(sysfs_filename, sysfs_names_free, + abituguru_sysfs_pwm_templ[j].dev_attr.attr.name, + i + 1) + 1; + data->sysfs_attr[sysfs_attr_i] = + abituguru_sysfs_pwm_templ[j]; + data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name = + sysfs_filename; + data->sysfs_attr[sysfs_attr_i].index = i; + sysfs_filename += used; + sysfs_names_free -= used; + sysfs_attr_i++; + } + } + /* Fail safe check, this should never happen! */ + if (sysfs_names_free < 0) { + printk(KERN_ERR ABIT_UGURU_NAME ": Fatal error ran out of " + "space for sysfs attr names. This should never " + "happen please report to the abituguru maintainer " + "(see MAINTAINERS)\n"); + res = -ENAMETOOLONG; + goto abituguru_probe_error; + } + printk(KERN_INFO ABIT_UGURU_NAME ": found Abit uGuru\n"); + + /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(&pdev->dev); + if (IS_ERR(data->class_dev)) { + res = PTR_ERR(data->class_dev); + goto abituguru_probe_error; + } + for (i = 0; i < sysfs_attr_i; i++) + device_create_file(&pdev->dev, &data->sysfs_attr[i].dev_attr); + for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) + device_create_file(&pdev->dev, + &abituguru_sysfs_attr[i].dev_attr); + + return 0; + +abituguru_probe_error: + kfree(data); + return res; +} + +static int __devexit abituguru_remove(struct platform_device *pdev) +{ + struct abituguru_data *data = platform_get_drvdata(pdev); + + platform_set_drvdata(pdev, NULL); + hwmon_device_unregister(data->class_dev); + kfree(data); + + return 0; +} + +static struct abituguru_data *abituguru_update_device(struct device *dev) +{ + int i, err; + struct abituguru_data *data = dev_get_drvdata(dev); + /* fake a complete successful read if no update necessary. */ + char success = 1; + + mutex_lock(&data->update_lock); + if (time_after(jiffies, data->last_updated + HZ)) { + success = 0; + if ((err = abituguru_read(data, ABIT_UGURU_ALARM_BANK, 0, + data->alarms, 3, 0)) != 3) + goto LEAVE_UPDATE; + for (i = 0; i < ABIT_UGURU_MAX_BANK1_SENSORS; i++) { + if ((err = abituguru_read(data, + ABIT_UGURU_SENSOR_BANK1, i, + &data->bank1_value[i], 1, 0)) != 1) + goto LEAVE_UPDATE; + if ((err = abituguru_read(data, + ABIT_UGURU_SENSOR_BANK1 + 1, i, + data->bank1_settings[i], 3, 0)) != 3) + goto LEAVE_UPDATE; + } + for (i = 0; i < data->bank2_sensors; i++) + if ((err = abituguru_read(data, + ABIT_UGURU_SENSOR_BANK2, i, + &data->bank2_value[i], 1, 0)) != 1) + goto LEAVE_UPDATE; + /* success! */ + success = 1; + data->update_timeouts = 0; +LEAVE_UPDATE: + /* handle timeout condition */ + if (err == -EBUSY) { + /* No overflow please */ + if (data->update_timeouts < 255u) + data->update_timeouts++; + if (data->update_timeouts <= ABIT_UGURU_MAX_TIMEOUTS) { + ABIT_UGURU_DEBUG(3, "timeout exceeded, will " + "try again next update\n"); + /* Just a timeout, fake a successful read */ + success = 1; + } else + ABIT_UGURU_DEBUG(1, "timeout exceeded %d " + "times waiting for more input state\n", + (int)data->update_timeouts); + } + /* On success set last_updated */ + if (success) + data->last_updated = jiffies; + } + mutex_unlock(&data->update_lock); + + if (success) + return data; + else + return NULL; +} + +static struct platform_driver abituguru_driver = { + .driver = { + .owner = THIS_MODULE, + .name = ABIT_UGURU_NAME, + }, + .probe = abituguru_probe, + .remove = __devexit_p(abituguru_remove), +}; + +static int __init abituguru_detect(void) +{ + /* See if there is an uguru there. After a reboot uGuru will hold 0x00 + at DATA and 0xAC, when this driver has already been loaded once + DATA will hold 0x08. For most uGuru's CMD will hold 0xAC in either + scenario but some will hold 0x00. + Some uGuru's initally hold 0x09 at DATA and will only hold 0x08 + after reading CMD first, so CMD must be read first! */ + u8 cmd_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_CMD); + u8 data_val = inb_p(ABIT_UGURU_BASE + ABIT_UGURU_DATA); + if (((data_val == 0x00) || (data_val == 0x08)) && + ((cmd_val == 0x00) || (cmd_val == 0xAC))) + return ABIT_UGURU_BASE; + + ABIT_UGURU_DEBUG(2, "no Abit uGuru found, data = 0x%02X, cmd = " + "0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val); + + if (force) { + printk(KERN_INFO ABIT_UGURU_NAME ": Assuming Abit uGuru is " + "present because of \"force\" parameter\n"); + return ABIT_UGURU_BASE; + } + + /* No uGuru found */ + return -ENODEV; +} + +static struct platform_device *abituguru_pdev; + +static int __init abituguru_init(void) +{ + int address, err; + struct resource res = { .flags = IORESOURCE_IO }; + + address = abituguru_detect(); + if (address < 0) + return address; + + err = platform_driver_register(&abituguru_driver); + if (err) + goto exit; + + abituguru_pdev = platform_device_alloc(ABIT_UGURU_NAME, address); + if (!abituguru_pdev) { + printk(KERN_ERR ABIT_UGURU_NAME + ": Device allocation failed\n"); + err = -ENOMEM; + goto exit_driver_unregister; + } + + res.start = address; + res.end = address + ABIT_UGURU_REGION_LENGTH - 1; + res.name = ABIT_UGURU_NAME; + + err = platform_device_add_resources(abituguru_pdev, &res, 1); + if (err) { + printk(KERN_ERR ABIT_UGURU_NAME + ": Device resource addition failed (%d)\n", err); + goto exit_device_put; + } + + err = platform_device_add(abituguru_pdev); + if (err) { + printk(KERN_ERR ABIT_UGURU_NAME + ": Device addition failed (%d)\n", err); + goto exit_device_put; + } + + return 0; + +exit_device_put: + platform_device_put(abituguru_pdev); +exit_driver_unregister: + platform_driver_unregister(&abituguru_driver); +exit: + return err; +} + +static void __exit abituguru_exit(void) +{ + platform_device_unregister(abituguru_pdev); + platform_driver_unregister(&abituguru_driver); +} + +MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>"); +MODULE_DESCRIPTION("Abit uGuru Sensor device"); +MODULE_LICENSE("GPL"); + +module_init(abituguru_init); +module_exit(abituguru_exit); diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 885465d..fd72440 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -99,10 +99,6 @@ superio_exit(int base) #define ADDR_REG_OFFSET 0 #define DATA_REG_OFFSET 1 -static struct resource f71805f_resource __initdata = { - .flags = IORESOURCE_IO, -}; - /* * Registers */ @@ -782,6 +778,11 @@ static struct platform_driver f71805f_driver = { static int __init f71805f_device_add(unsigned short address) { + struct resource res = { + .start = address, + .end = address + REGION_LENGTH - 1, + .flags = IORESOURCE_IO, + }; int err; pdev = platform_device_alloc(DRVNAME, address); @@ -791,10 +792,8 @@ static int __init f71805f_device_add(unsigned short address) goto exit; } - f71805f_resource.start = address; - f71805f_resource.end = address + REGION_LENGTH - 1; - f71805f_resource.name = pdev->name; - err = platform_device_add_resources(pdev, &f71805f_resource, 1); + res.name = pdev->name; + err = platform_device_add_resources(pdev, &res, 1); if (err) { printk(KERN_ERR DRVNAME ": Device resource addition failed " "(%d)\n", err); diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c index 1659f6c..42b6328 100644 --- a/drivers/hwmon/hdaps.c +++ b/drivers/hwmon/hdaps.c @@ -41,7 +41,7 @@ #define HDAPS_PORT_STATE 0x1611 /* device state */ #define HDAPS_PORT_YPOS 0x1612 /* y-axis position */ #define HDAPS_PORT_XPOS 0x1614 /* x-axis position */ -#define HDAPS_PORT_TEMP1 0x1616 /* device temperature, in celcius */ +#define HDAPS_PORT_TEMP1 0x1616 /* device temperature, in Celsius */ #define HDAPS_PORT_YVAR 0x1617 /* y-axis variance (what is this?) */ #define HDAPS_PORT_XVAR 0x1619 /* x-axis variance (what is this?) */ #define HDAPS_PORT_TEMP2 0x161b /* device temperature (again?) */ @@ -522,13 +522,15 @@ static int __init hdaps_init(void) { int ret; - /* Note that DMI_MATCH(...,"ThinkPad T42") will match "ThinkPad T42p" */ + /* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match + "ThinkPad T42p", so the order of the entries matters */ struct dmi_system_id hdaps_whitelist[] = { HDAPS_DMI_MATCH_NORMAL("ThinkPad H"), HDAPS_DMI_MATCH_INVERT("ThinkPad R50p"), HDAPS_DMI_MATCH_NORMAL("ThinkPad R50"), HDAPS_DMI_MATCH_NORMAL("ThinkPad R51"), HDAPS_DMI_MATCH_NORMAL("ThinkPad R52"), + HDAPS_DMI_MATCH_NORMAL("ThinkPad H"), /* R52 (1846AQG) */ HDAPS_DMI_MATCH_INVERT("ThinkPad T41p"), HDAPS_DMI_MATCH_NORMAL("ThinkPad T41"), HDAPS_DMI_MATCH_INVERT("ThinkPad T42p"), @@ -536,9 +538,9 @@ static int __init hdaps_init(void) HDAPS_DMI_MATCH_NORMAL("ThinkPad T43"), HDAPS_DMI_MATCH_LENOVO("ThinkPad T60p"), HDAPS_DMI_MATCH_NORMAL("ThinkPad X40"), - HDAPS_DMI_MATCH_NORMAL("ThinkPad X41 Tablet"), HDAPS_DMI_MATCH_NORMAL("ThinkPad X41"), HDAPS_DMI_MATCH_LENOVO("ThinkPad X60"), + HDAPS_DMI_MATCH_NORMAL("ThinkPad Z60m"), { .ident = NULL } }; diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index a74a44f..a6764ff 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -58,11 +58,20 @@ doesn't seem to be any named specification for these. The conversion tables are detailed directly in the various Pentium M datasheets: http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm + + The 14 specification corresponds to Intel Core series. There + doesn't seem to be any named specification for these. The conversion + tables are detailed directly in the various Pentium Core datasheets: + http://www.intel.com/design/mobile/datashts/309221.htm + + The 110 (VRM 11) specification corresponds to Intel Conroe based series. + http://www.intel.com/design/processor/applnots/313214.htm */ /* vrm is the VRM/VRD document version multiplied by 10. - val is the 4-, 5- or 6-bit VID code. - Returned value is in mV to avoid floating point in the kernel. */ + val is the 4-bit or more VID code. + Returned value is in mV to avoid floating point in the kernel. + Some VID have some bits in uV scale, this is rounded to mV */ int vid_from_reg(int val, u8 vrm) { int vid; @@ -70,26 +79,36 @@ int vid_from_reg(int val, u8 vrm) switch(vrm) { case 100: /* VRD 10.0 */ + /* compute in uV, round to mV */ + val &= 0x3f; if((val & 0x1f) == 0x1f) return 0; if((val & 0x1f) <= 0x09 || val == 0x0a) - vid = 10875 - (val & 0x1f) * 250; + vid = 1087500 - (val & 0x1f) * 25000; else - vid = 18625 - (val & 0x1f) * 250; + vid = 1862500 - (val & 0x1f) * 25000; if(val & 0x20) - vid -= 125; - vid /= 10; /* only return 3 dec. places for now */ - return vid; + vid -= 12500; + return((vid + 500) / 1000); + case 110: /* Intel Conroe */ + /* compute in uV, round to mV */ + val &= 0xff; + if(((val & 0x7e) == 0xfe) || (!(val & 0x7e))) + return 0; + return((1600000 - (val - 2) * 6250 + 500) / 1000); case 24: /* Opteron processor */ + val &= 0x1f; return(val == 0x1f ? 0 : 1550 - val * 25); case 91: /* VRM 9.1 */ case 90: /* VRM 9.0 */ + val &= 0x1f; return(val == 0x1f ? 0 : 1850 - val * 25); case 85: /* VRM 8.5 */ + val &= 0x1f; return((val & 0x10 ? 25 : 0) + ((val & 0x0f) > 0x04 ? 2050 : 1250) - ((val & 0x0f) * 50)); @@ -98,14 +117,21 @@ int vid_from_reg(int val, u8 vrm) val &= 0x0f; /* fall through */ case 82: /* VRM 8.2 */ + val &= 0x1f; return(val == 0x1f ? 0 : val & 0x10 ? 5100 - (val) * 100 : 2050 - (val) * 50); case 17: /* Intel IMVP-II */ + val &= 0x1f; return(val & 0x10 ? 975 - (val & 0xF) * 25 : 1750 - val * 50); case 13: - return(1708 - (val & 0x3f) * 16); + val &= 0x3f; + return(1708 - val * 16); + case 14: /* Intel Core */ + /* compute in uV, round to mV */ + val &= 0x7f; + return(val > 0x77 ? 0 : (1500000 - (val * 12500) + 500) / 1000); default: /* report 0 for unknown */ printk(KERN_INFO "hwmon-vid: requested unknown VRM version\n"); return 0; @@ -138,6 +164,8 @@ static struct vrm_model vrm_models[] = { {X86_VENDOR_INTEL, 0x6, 0x9, ANY, 13}, /* Pentium M (130 nm) */ {X86_VENDOR_INTEL, 0x6, 0xB, ANY, 85}, /* Tualatin */ {X86_VENDOR_INTEL, 0x6, 0xD, ANY, 13}, /* Pentium M (90 nm) */ + {X86_VENDOR_INTEL, 0x6, 0xE, ANY, 14}, /* Intel Core (65 nm) */ + {X86_VENDOR_INTEL, 0x6, 0xF, ANY, 110}, /* Intel Conroe */ {X86_VENDOR_INTEL, 0x6, ANY, ANY, 82}, /* any P6 */ {X86_VENDOR_INTEL, 0x7, ANY, ANY, 0}, /* Itanium */ {X86_VENDOR_INTEL, 0xF, 0x0, ANY, 90}, /* P4 */ diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c new file mode 100644 index 0000000..6ba8473 --- /dev/null +++ b/drivers/hwmon/lm70.c @@ -0,0 +1,165 @@ +/* + * lm70.c + * + * The LM70 is a temperature sensor chip from National Semiconductor (NS). + * Copyright (C) 2006 Kaiwan N Billimoria <kaiwan@designergraphix.com> + * + * The LM70 communicates with a host processor via an SPI/Microwire Bus + * interface. The complete datasheet is available at National's website + * here: + * http://www.national.com/pf/LM/LM70.html + * + * 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/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/sysfs.h> +#include <linux/hwmon.h> +#include <linux/spi/spi.h> +#include <asm/semaphore.h> + +#define DRVNAME "lm70" + +struct lm70 { + struct class_device *cdev; + struct semaphore sem; +}; + +/* sysfs hook function */ +static ssize_t lm70_sense_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct spi_device *spi = to_spi_device(dev); + int status, val; + u8 rxbuf[2]; + s16 raw=0; + struct lm70 *p_lm70 = dev_get_drvdata(&spi->dev); + + if (down_interruptible(&p_lm70->sem)) + return -ERESTARTSYS; + + /* + * spi_read() requires a DMA-safe buffer; so we use + * spi_write_then_read(), transmitting 0 bytes. + */ + status = spi_write_then_read(spi, NULL, 0, &rxbuf[0], 2); + if (status < 0) { + printk(KERN_WARNING + "spi_write_then_read failed with status %d\n", status); + goto out; + } + dev_dbg(dev, "rxbuf[1] : 0x%x rxbuf[0] : 0x%x\n", rxbuf[1], rxbuf[0]); + + raw = (rxbuf[1] << 8) + rxbuf[0]; + dev_dbg(dev, "raw=0x%x\n", raw); + + /* + * The "raw" temperature read into rxbuf[] is a 16-bit signed 2's + * complement value. Only the MSB 11 bits (1 sign + 10 temperature + * bits) are meaningful; the LSB 5 bits are to be discarded. + * See the datasheet. + * + * Further, each bit represents 0.25 degrees Celsius; so, multiply + * by 0.25. Also multiply by 1000 to represent in millidegrees + * Celsius. + * So it's equivalent to multiplying by 0.25 * 1000 = 250. + */ + val = ((int)raw/32) * 250; + status = sprintf(buf, "%+d\n", val); /* millidegrees Celsius */ +out: + up(&p_lm70->sem); + return status; +} + +static DEVICE_ATTR(temp1_input, S_IRUGO, lm70_sense_temp, NULL); + +/*----------------------------------------------------------------------*/ + +static int __devinit lm70_probe(struct spi_device *spi) +{ + struct lm70 *p_lm70; + int status; + + p_lm70 = kzalloc(sizeof *p_lm70, GFP_KERNEL); + if (!p_lm70) + return -ENOMEM; + + init_MUTEX(&p_lm70->sem); + + /* sysfs hook */ + p_lm70->cdev = hwmon_device_register(&spi->dev); + if (IS_ERR(p_lm70->cdev)) { + dev_dbg(&spi->dev, "hwmon_device_register failed.\n"); + status = PTR_ERR(p_lm70->cdev); + goto out_dev_reg_failed; + } + dev_set_drvdata(&spi->dev, p_lm70); + + if ((status = device_create_file(&spi->dev, &dev_attr_temp1_input))) { + dev_dbg(&spi->dev, "device_create_file failure.\n"); + goto out_dev_create_file_failed; + } + + return 0; + +out_dev_create_file_failed: + hwmon_device_unregister(p_lm70->cdev); +out_dev_reg_failed: + dev_set_drvdata(&spi->dev, NULL); + kfree(p_lm70); + return status; +} + +static int __exit lm70_remove(struct spi_device *spi) +{ + struct lm70 *p_lm70 = dev_get_drvdata(&spi->dev); + + device_remove_file(&spi->dev, &dev_attr_temp1_input); + hwmon_device_unregister(p_lm70->cdev); + dev_set_drvdata(&spi->dev, NULL); + kfree(p_lm70); + + return 0; +} + +static struct spi_driver lm70_driver = { + .driver = { + .name = "lm70", + .owner = THIS_MODULE, + }, + .probe = lm70_probe, + .remove = __devexit_p(lm70_remove), +}; + +static int __init init_lm70(void) +{ + return spi_register_driver(&lm70_driver); +} + +static void __exit cleanup_lm70(void) +{ + spi_unregister_driver(&lm70_driver); +} + +module_init(init_lm70); +module_exit(cleanup_lm70); + +MODULE_AUTHOR("Kaiwan N Billimoria"); +MODULE_DESCRIPTION("National Semiconductor LM70 Linux driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index aac4ec2..2137d78 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -12,6 +12,10 @@ * Since the datasheet omits to give the chip stepping code, I give it * here: 0x03 (at register 0xff). * + * Also supports the LM82 temp sensor, which is basically a stripped down + * model of the LM83. Datasheet is here: + * http://www.national.com/pf/LM/LM82.html + * * 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 @@ -52,7 +56,7 @@ static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a, * Insmod parameters */ -I2C_CLIENT_INSMOD_1(lm83); +I2C_CLIENT_INSMOD_2(lm83, lm82); /* * The LM83 registers @@ -283,6 +287,9 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) if (man_id == 0x01) { /* National Semiconductor */ if (chip_id == 0x03) { kind = lm83; + } else + if (chip_id == 0x01) { + kind = lm82; } } @@ -296,6 +303,9 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) if (kind == lm83) { name = "lm83"; + } else + if (kind == lm82) { + name = "lm82"; } /* We can fill in the remaining client fields */ @@ -319,32 +329,46 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_detach; } + /* + * The LM82 can only monitor one external diode which is + * at the same register as the LM83 temp3 entry - so we + * declare 1 and 3 common, and then 2 and 4 only for the LM83. + */ + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr); device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_input.dev_attr); - device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr); device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_max.dev_attr); - device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr); device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_crit.dev_attr); - device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_crit.dev_attr); + device_create_file(&new_client->dev, &dev_attr_alarms); + if (kind == lm83) { + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_input.dev_attr); + + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_max.dev_attr); + + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_crit.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp4_crit.dev_attr); + } + return 0; exit_detach: diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c new file mode 100644 index 0000000..bdc4570 --- /dev/null +++ b/drivers/hwmon/smsc47m192.c @@ -0,0 +1,648 @@ +/* + smsc47m192.c - Support for hardware monitoring block of + SMSC LPC47M192 and LPC47M997 Super I/O chips + + Copyright (C) 2006 Hartmut Rick <linux@rick.claranet.de> + + Derived from lm78.c and other chip drivers. + + 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/hwmon-vid.h> +#include <linux/err.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(smsc47m192); + +/* SMSC47M192 registers */ +#define SMSC47M192_REG_IN(nr) ((nr)<6 ? (0x20 + (nr)) : \ + (0x50 + (nr) - 6)) +#define SMSC47M192_REG_IN_MAX(nr) ((nr)<6 ? (0x2b + (nr) * 2) : \ + (0x54 + (((nr) - 6) * 2))) +#define SMSC47M192_REG_IN_MIN(nr) ((nr)<6 ? (0x2c + (nr) * 2) : \ + (0x55 + (((nr) - 6) * 2))) +static u8 SMSC47M192_REG_TEMP[3] = { 0x27, 0x26, 0x52 }; +static u8 SMSC47M192_REG_TEMP_MAX[3] = { 0x39, 0x37, 0x58 }; +static u8 SMSC47M192_REG_TEMP_MIN[3] = { 0x3A, 0x38, 0x59 }; +#define SMSC47M192_REG_TEMP_OFFSET(nr) ((nr)==2 ? 0x1e : 0x1f) +#define SMSC47M192_REG_ALARM1 0x41 +#define SMSC47M192_REG_ALARM2 0x42 +#define SMSC47M192_REG_VID 0x47 +#define SMSC47M192_REG_VID4 0x49 +#define SMSC47M192_REG_CONFIG 0x40 +#define SMSC47M192_REG_SFR 0x4f +#define SMSC47M192_REG_COMPANY_ID 0x3e +#define SMSC47M192_REG_VERSION 0x3f + +/* generalised scaling with integer rounding */ +static inline int SCALE(long val, int mul, int div) +{ + if (val < 0) + return (val * mul - div / 2) / div; + else + return (val * mul + div / 2) / div; +} + +/* Conversions */ + +/* smsc47m192 internally scales voltage measurements */ +static const u16 nom_mv[] = { 2500, 2250, 3300, 5000, 12000, 3300, 1500, 1800 }; + +static inline unsigned int IN_FROM_REG(u8 reg, int n) +{ + return SCALE(reg, nom_mv[n], 192); +} + +static inline u8 IN_TO_REG(unsigned long val, int n) +{ + return SENSORS_LIMIT(SCALE(val, 192, nom_mv[n]), 0, 255); +} + +/* TEMP: 0.001 degC units (-128C to +127C) + REG: 1C/bit, two's complement */ +static inline s8 TEMP_TO_REG(int val) +{ + return SENSORS_LIMIT(SCALE(val, 1, 1000), -128000, 127000); +} + +static inline int TEMP_FROM_REG(s8 val) +{ + return val * 1000; +} + +struct smsc47m192_data { + struct i2c_client client; + struct class_device *class_dev; + struct semaphore update_lock; + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + u8 in[8]; /* Register value */ + u8 in_max[8]; /* Register value */ + u8 in_min[8]; /* Register value */ + s8 temp[3]; /* Register value */ + s8 temp_max[3]; /* Register value */ + s8 temp_min[3]; /* Register value */ + s8 temp_offset[3]; /* Register value */ + u16 alarms; /* Register encoding, combined */ + u8 vid; /* Register encoding, combined */ + u8 vrm; +}; + +static int smsc47m192_attach_adapter(struct i2c_adapter *adapter); +static int smsc47m192_detect(struct i2c_adapter *adapter, int address, + int kind); +static int smsc47m192_detach_client(struct i2c_client *client); +static struct smsc47m192_data *smsc47m192_update_device(struct device *dev); + +static struct i2c_driver smsc47m192_driver = { + .driver = { + .name = "smsc47m192", + }, + .attach_adapter = smsc47m192_attach_adapter, + .detach_client = smsc47m192_detach_client, +}; + +/* Voltages */ +static ssize_t show_in(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr)); +} + +static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr)); +} + +static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr)); +} + +static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + + down(&data->update_lock); + data->in_min[nr] = IN_TO_REG(val, nr); + i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MIN(nr), + data->in_min[nr]); + up(&data->update_lock); + return count; +} + +static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + + down(&data->update_lock); + data->in_max[nr] = IN_TO_REG(val, nr); + i2c_smbus_write_byte_data(client, SMSC47M192_REG_IN_MAX(nr), + data->in_max[nr]); + up(&data->update_lock); + return count; +} + +#define show_in_offset(offset) \ +static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ + show_in, NULL, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ + show_in_min, set_in_min, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ + show_in_max, set_in_max, offset); + +show_in_offset(0) +show_in_offset(1) +show_in_offset(2) +show_in_offset(3) +show_in_offset(4) +show_in_offset(5) +show_in_offset(6) +show_in_offset(7) + +/* Temperatures */ +static ssize_t show_temp(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); +} + +static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr])); +} + +static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr])); +} + +static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_min[nr] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MIN[nr], + data->temp_min[nr]); + up(&data->update_lock); + return count; +} + +static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_max[nr] = TEMP_TO_REG(val); + i2c_smbus_write_byte_data(client, SMSC47M192_REG_TEMP_MAX[nr], + data->temp_max[nr]); + up(&data->update_lock); + return count; +} + +static ssize_t show_temp_offset(struct device *dev, struct device_attribute + *attr, char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr])); +} + +static ssize_t set_temp_offset(struct device *dev, struct device_attribute + *attr, const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_offset[nr] = TEMP_TO_REG(val); + if (nr>1) + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]); + else if (data->temp_offset[nr] != 0) { + /* offset[0] and offset[1] share the same register, + SFR bit 4 activates offset[0] */ + i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR, + (sfr & 0xef) | (nr==0 ? 0x10 : 0)); + data->temp_offset[1-nr] = 0; + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_TEMP_OFFSET(nr), data->temp_offset[nr]); + } else if ((sfr & 0x10) == (nr==0 ? 0x10 : 0)) + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_TEMP_OFFSET(nr), 0); + up(&data->update_lock); + return count; +} + +#define show_temp_index(index) \ +static SENSOR_DEVICE_ATTR(temp##index##_input, S_IRUGO, \ + show_temp, NULL, index-1); \ +static SENSOR_DEVICE_ATTR(temp##index##_min, S_IRUGO | S_IWUSR, \ + show_temp_min, set_temp_min, index-1); \ +static SENSOR_DEVICE_ATTR(temp##index##_max, S_IRUGO | S_IWUSR, \ + show_temp_max, set_temp_max, index-1); \ +static SENSOR_DEVICE_ATTR(temp##index##_offset, S_IRUGO | S_IWUSR, \ + show_temp_offset, set_temp_offset, index-1); + +show_temp_index(1) +show_temp_index(2) +show_temp_index(3) + +/* VID */ +static ssize_t show_vid(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); +} +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); + +static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%d\n", data->vrm); +} + +static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + data->vrm = simple_strtoul(buf, NULL, 10); + return count; +} +static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); + +/* Alarms */ +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct smsc47m192_data *data = smsc47m192_update_device(dev); + return sprintf(buf, "%u\n", (data->alarms & nr) ? 1 : 0); +} + +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 0x0010); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 0x0020); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 0x0040); +static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 0x4000); +static SENSOR_DEVICE_ATTR(temp3_input_fault, S_IRUGO, show_alarm, NULL, 0x8000); +static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0x0001); +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 0x0002); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 0x0004); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 0x0008); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 0x0100); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 0x0200); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 0x0400); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 0x0800); + +/* This function is called when: + * smsc47m192_driver is inserted (when this module is loaded), for each + available adapter + * when a new adapter is inserted (and smsc47m192_driver is still present) */ +static int smsc47m192_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_probe(adapter, &addr_data, smsc47m192_detect); +} + +static void smsc47m192_init_client(struct i2c_client *client) +{ + int i; + u8 config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG); + u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR); + + /* select cycle mode (pause 1 sec between updates) */ + i2c_smbus_write_byte_data(client, SMSC47M192_REG_SFR, + (sfr & 0xfd) | 0x02); + if (!(config & 0x01)) { + /* initialize alarm limits */ + for (i=0; i<8; i++) { + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_IN_MIN(i), 0); + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_IN_MAX(i), 0xff); + } + for (i=0; i<3; i++) { + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_TEMP_MIN[i], 0x80); + i2c_smbus_write_byte_data(client, + SMSC47M192_REG_TEMP_MAX[i], 0x7f); + } + + /* start monitoring */ + i2c_smbus_write_byte_data(client, SMSC47M192_REG_CONFIG, + (config & 0xf7) | 0x01); + } +} + +/* This function is called by i2c_probe */ +static int smsc47m192_detect(struct i2c_adapter *adapter, int address, + int kind) +{ + struct i2c_client *client; + struct smsc47m192_data *data; + int err = 0; + int version, config; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + goto exit; + + if (!(data = kzalloc(sizeof(struct smsc47m192_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + + client = &data->client; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &smsc47m192_driver; + + if (kind == 0) + kind = smsc47m192; + + /* Detection criteria from sensors_detect script */ + if (kind < 0) { + if (i2c_smbus_read_byte_data(client, + SMSC47M192_REG_COMPANY_ID) == 0x55 + && ((version = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_VERSION)) & 0xf0) == 0x20 + && (i2c_smbus_read_byte_data(client, + SMSC47M192_REG_VID) & 0x70) == 0x00 + && (i2c_smbus_read_byte_data(client, + SMSC47M192_REG_VID4) & 0xfe) == 0x80) { + dev_info(&adapter->dev, + "found SMSC47M192 or SMSC47M997, " + "version 2, stepping A%d\n", version & 0x0f); + } else { + dev_dbg(&adapter->dev, + "SMSC47M192 detection failed at 0x%02x\n", + address); + goto exit_free; + } + } + + /* Fill in the remaining client fields and put into the global list */ + strlcpy(client->name, "smsc47m192", I2C_NAME_SIZE); + data->vrm = vid_which_vrm(); + init_MUTEX(&data->update_lock); + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(client))) + goto exit_free; + + /* Initialize the SMSC47M192 chip */ + smsc47m192_init_client(client); + + /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_detach; + } + + device_create_file(&client->dev, &sensor_dev_attr_in0_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in0_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in0_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in0_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in1_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in1_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in1_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in1_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in2_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in2_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in2_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in2_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in3_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in3_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in3_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in3_alarm.dev_attr); + + /* Pin 110 is either in4 (+12V) or VID4 */ + config = i2c_smbus_read_byte_data(client, SMSC47M192_REG_CONFIG); + if (!(config & 0x20)) { + device_create_file(&client->dev, + &sensor_dev_attr_in4_input.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_in4_min.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_in4_max.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_in4_alarm.dev_attr); + } + device_create_file(&client->dev, &sensor_dev_attr_in5_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in5_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in5_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in5_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in6_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in6_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in6_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in6_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in7_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in7_min.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in7_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_in7_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp1_min.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_temp1_offset.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp1_alarm.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp2_min.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_temp2_offset.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp2_alarm.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_temp2_input_fault.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp3_input.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp3_max.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp3_min.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_temp3_offset.dev_attr); + device_create_file(&client->dev, &sensor_dev_attr_temp3_alarm.dev_attr); + device_create_file(&client->dev, + &sensor_dev_attr_temp3_input_fault.dev_attr); + device_create_file(&client->dev, &dev_attr_cpu0_vid); + device_create_file(&client->dev, &dev_attr_vrm); + + return 0; + +exit_detach: + i2c_detach_client(client); +exit_free: + kfree(data); +exit: + return err; +} + +static int smsc47m192_detach_client(struct i2c_client *client) +{ + struct smsc47m192_data *data = i2c_get_clientdata(client); + int err; + + hwmon_device_unregister(data->class_dev); + + if ((err = i2c_detach_client(client))) + return err; + + kfree(data); + + return 0; +} + +static struct smsc47m192_data *smsc47m192_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct smsc47m192_data *data = i2c_get_clientdata(client); + int i, config; + + down(&data->update_lock); + + if (time_after(jiffies, data->last_updated + HZ + HZ / 2) + || !data->valid) { + u8 sfr = i2c_smbus_read_byte_data(client, SMSC47M192_REG_SFR); + + dev_dbg(&client->dev, "Starting smsc47m192 update\n"); + + for (i = 0; i <= 7; i++) { + data->in[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_IN(i)); + data->in_min[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_IN_MIN(i)); + data->in_max[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_IN_MAX(i)); + } + for (i = 0; i < 3; i++) { + data->temp[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_TEMP[i]); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_TEMP_MAX[i]); + data->temp_min[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_TEMP_MIN[i]); + } + for (i = 1; i < 3; i++) + data->temp_offset[i] = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_TEMP_OFFSET(i)); + /* first offset is temp_offset[0] if SFR bit 4 is set, + temp_offset[1] otherwise */ + if (sfr & 0x10) { + data->temp_offset[0] = data->temp_offset[1]; + data->temp_offset[1] = 0; + } else + data->temp_offset[0] = 0; + + data->vid = i2c_smbus_read_byte_data(client, SMSC47M192_REG_VID) + & 0x0f; + config = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_CONFIG); + if (config & 0x20) + data->vid |= (i2c_smbus_read_byte_data(client, + SMSC47M192_REG_VID4) & 0x01) << 4; + data->alarms = i2c_smbus_read_byte_data(client, + SMSC47M192_REG_ALARM1) | + (i2c_smbus_read_byte_data(client, + SMSC47M192_REG_ALARM2) << 8); + + data->last_updated = jiffies; + data->valid = 1; + } + + up(&data->update_lock); + + return data; +} + +static int __init smsc47m192_init(void) +{ + return i2c_add_driver(&smsc47m192_driver); +} + +static void __exit smsc47m192_exit(void) +{ + i2c_del_driver(&smsc47m192_driver); +} + +MODULE_AUTHOR("Hartmut Rick <linux@rick.claranet.de>"); +MODULE_DESCRIPTION("SMSC47M192 driver"); +MODULE_LICENSE("GPL"); + +module_init(smsc47m192_init); +module_exit(smsc47m192_exit); diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index b6bd568..40301bc 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -30,10 +30,7 @@ Supports the following chips: Chip #vin #fan #pwm #temp chip_id man_id - w83627ehf - 5 - 3 0x88 0x5ca3 - - This is a preliminary version of the driver, only supporting the - fan and temperature inputs. The chip does much more than that. + w83627ehf 10 5 - 3 0x88 0x5ca3 */ #include <linux/module.h> @@ -121,6 +118,14 @@ superio_exit(void) static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; +/* The W83627EHF registers for nr=7,8,9 are in bank 5 */ +#define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ + (0x554 + (((nr) - 7) * 2))) +#define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ + (0x555 + (((nr) - 7) * 2))) +#define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ + (0x550 + (nr) - 7)) + #define W83627EHF_REG_TEMP1 0x27 #define W83627EHF_REG_TEMP1_HYST 0x3a #define W83627EHF_REG_TEMP1_OVER 0x39 @@ -136,6 +141,10 @@ static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; #define W83627EHF_REG_DIODE 0x59 #define W83627EHF_REG_SMI_OVT 0x4C +#define W83627EHF_REG_ALARM1 0x459 +#define W83627EHF_REG_ALARM2 0x45A +#define W83627EHF_REG_ALARM3 0x45B + /* * Conversions */ @@ -172,6 +181,20 @@ temp1_to_reg(int temp) return (temp + 500) / 1000; } +/* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ + +static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; + +static inline long in_from_reg(u8 reg, u8 nr) +{ + return reg * scale_in[nr]; +} + +static inline u8 in_to_reg(u32 val, u8 nr) +{ + return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); +} + /* * Data structures and manipulation thereof */ @@ -186,6 +209,9 @@ struct w83627ehf_data { unsigned long last_updated; /* In jiffies */ /* Register values */ + u8 in[10]; /* Register value */ + u8 in_max[10]; /* Register value */ + u8 in_min[10]; /* Register value */ u8 fan[5]; u8 fan_min[5]; u8 fan_div[5]; @@ -196,6 +222,7 @@ struct w83627ehf_data { s16 temp[2]; s16 temp_max[2]; s16 temp_max_hyst[2]; + u32 alarms; }; static inline int is_word_sized(u16 reg) @@ -349,6 +376,16 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) data->fan_div[3] |= (i >> 5) & 0x04; } + /* Measured voltages and limits */ + for (i = 0; i < 10; i++) { + data->in[i] = w83627ehf_read_value(client, + W83627EHF_REG_IN(i)); + data->in_min[i] = w83627ehf_read_value(client, + W83627EHF_REG_IN_MIN(i)); + data->in_max[i] = w83627ehf_read_value(client, + W83627EHF_REG_IN_MAX(i)); + } + /* Measured fan speeds and limits */ for (i = 0; i < 5; i++) { if (!(data->has_fan & (1 << i))) @@ -395,6 +432,13 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) W83627EHF_REG_TEMP_HYST[i]); } + data->alarms = w83627ehf_read_value(client, + W83627EHF_REG_ALARM1) | + (w83627ehf_read_value(client, + W83627EHF_REG_ALARM2) << 8) | + (w83627ehf_read_value(client, + W83627EHF_REG_ALARM3) << 16); + data->last_updated = jiffies; data->valid = 1; } @@ -406,6 +450,109 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) /* * Sysfs callback functions */ +#define show_in_reg(reg) \ +static ssize_t \ +show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct w83627ehf_data *data = w83627ehf_update_device(dev); \ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ + int nr = sensor_attr->index; \ + return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ +} +show_in_reg(in) +show_in_reg(in_min) +show_in_reg(in_max) + +#define store_in_reg(REG, reg) \ +static ssize_t \ +store_in_##reg (struct device *dev, struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct i2c_client *client = to_i2c_client(dev); \ + struct w83627ehf_data *data = i2c_get_clientdata(client); \ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ + int nr = sensor_attr->index; \ + u32 val = simple_strtoul(buf, NULL, 10); \ + \ + mutex_lock(&data->update_lock); \ + data->in_##reg[nr] = in_to_reg(val, nr); \ + w83627ehf_write_value(client, W83627EHF_REG_IN_##REG(nr), \ + data->in_##reg[nr]); \ + mutex_unlock(&data->update_lock); \ + return count; \ +} + +store_in_reg(MIN, min) +store_in_reg(MAX, max) + +static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct w83627ehf_data *data = w83627ehf_update_device(dev); + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); +} + +static struct sensor_device_attribute sda_in_input[] = { + SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), + SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), + SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), + SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), + SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), + SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), + SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), + SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), + SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), + SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), +}; + +static struct sensor_device_attribute sda_in_alarm[] = { + SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), + SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), + SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), + SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), + SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), + SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), + SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), + SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), + SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), + SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), +}; + +static struct sensor_device_attribute sda_in_min[] = { + SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), + SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), + SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), + SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), + SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), + SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), + SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), + SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), + SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), + SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), +}; + +static struct sensor_device_attribute sda_in_max[] = { + SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), + SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), + SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), + SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), + SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), + SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), + SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), + SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), + SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), + SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), +}; + +static void device_create_file_in(struct device *dev, int i) +{ + device_create_file(dev, &sda_in_input[i].dev_attr); + device_create_file(dev, &sda_in_alarm[i].dev_attr); + device_create_file(dev, &sda_in_min[i].dev_attr); + device_create_file(dev, &sda_in_max[i].dev_attr); +} #define show_fan_reg(reg) \ static ssize_t \ @@ -505,6 +652,14 @@ static struct sensor_device_attribute sda_fan_input[] = { SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), }; +static struct sensor_device_attribute sda_fan_alarm[] = { + SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), + SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), + SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), + SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), + SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), +}; + static struct sensor_device_attribute sda_fan_min[] = { SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 0), @@ -529,6 +684,7 @@ static struct sensor_device_attribute sda_fan_div[] = { static void device_create_file_fan(struct device *dev, int i) { device_create_file(dev, &sda_fan_input[i].dev_attr); + device_create_file(dev, &sda_fan_alarm[i].dev_attr); device_create_file(dev, &sda_fan_div[i].dev_attr); device_create_file(dev, &sda_fan_min[i].dev_attr); } @@ -616,6 +772,9 @@ static struct sensor_device_attribute sda_temp[] = { store_temp_max_hyst, 0), SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, store_temp_max_hyst, 1), + SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), + SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), + SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), }; /* @@ -705,6 +864,9 @@ static int w83627ehf_detect(struct i2c_adapter *adapter) goto exit_detach; } + for (i = 0; i < 10; i++) + device_create_file_in(dev, i); + for (i = 0; i < 5; i++) { if (data->has_fan & (1 << i)) device_create_file_fan(dev, i); diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c new file mode 100644 index 0000000..eec43ab --- /dev/null +++ b/drivers/hwmon/w83791d.c @@ -0,0 +1,1255 @@ +/* + w83791d.c - Part of lm_sensors, Linux kernel modules for hardware + monitoring + + Copyright (C) 2006 Charles Spirakis <bezaur@gmail.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + 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. +*/ + +/* + Supports following chips: + + Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + w83791d 10 5 3 3 0x71 0x5ca3 yes no + + The w83791d chip appears to be part way between the 83781d and the + 83792d. Thus, this file is derived from both the w83792d.c and + w83781d.c files, but its output is more along the lines of the + 83781d (which means there are no changes to the user-mode sensors + program which treats the 83791d as an 83781d). +*/ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-vid.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> + +#define NUMBER_OF_VIN 10 +#define NUMBER_OF_FANIN 5 +#define NUMBER_OF_TEMPIN 3 + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(w83791d); +I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " + "{bus, clientaddr, subclientaddr1, subclientaddr2}"); + +static int reset; +module_param(reset, bool, 0); +MODULE_PARM_DESC(reset, "Set to one to force a hardware chip reset"); + +static int init; +module_param(init, bool, 0); +MODULE_PARM_DESC(init, "Set to one to force extra software initialization"); + +/* The W83791D registers */ +static const u8 W83791D_REG_IN[NUMBER_OF_VIN] = { + 0x20, /* VCOREA in DataSheet */ + 0x21, /* VINR0 in DataSheet */ + 0x22, /* +3.3VIN in DataSheet */ + 0x23, /* VDD5V in DataSheet */ + 0x24, /* +12VIN in DataSheet */ + 0x25, /* -12VIN in DataSheet */ + 0x26, /* -5VIN in DataSheet */ + 0xB0, /* 5VSB in DataSheet */ + 0xB1, /* VBAT in DataSheet */ + 0xB2 /* VINR1 in DataSheet */ +}; + +static const u8 W83791D_REG_IN_MAX[NUMBER_OF_VIN] = { + 0x2B, /* VCOREA High Limit in DataSheet */ + 0x2D, /* VINR0 High Limit in DataSheet */ + 0x2F, /* +3.3VIN High Limit in DataSheet */ + 0x31, /* VDD5V High Limit in DataSheet */ + 0x33, /* +12VIN High Limit in DataSheet */ + 0x35, /* -12VIN High Limit in DataSheet */ + 0x37, /* -5VIN High Limit in DataSheet */ + 0xB4, /* 5VSB High Limit in DataSheet */ + 0xB6, /* VBAT High Limit in DataSheet */ + 0xB8 /* VINR1 High Limit in DataSheet */ +}; +static const u8 W83791D_REG_IN_MIN[NUMBER_OF_VIN] = { + 0x2C, /* VCOREA Low Limit in DataSheet */ + 0x2E, /* VINR0 Low Limit in DataSheet */ + 0x30, /* +3.3VIN Low Limit in DataSheet */ + 0x32, /* VDD5V Low Limit in DataSheet */ + 0x34, /* +12VIN Low Limit in DataSheet */ + 0x36, /* -12VIN Low Limit in DataSheet */ + 0x38, /* -5VIN Low Limit in DataSheet */ + 0xB5, /* 5VSB Low Limit in DataSheet */ + 0xB7, /* VBAT Low Limit in DataSheet */ + 0xB9 /* VINR1 Low Limit in DataSheet */ +}; +static const u8 W83791D_REG_FAN[NUMBER_OF_FANIN] = { + 0x28, /* FAN 1 Count in DataSheet */ + 0x29, /* FAN 2 Count in DataSheet */ + 0x2A, /* FAN 3 Count in DataSheet */ + 0xBA, /* FAN 4 Count in DataSheet */ + 0xBB, /* FAN 5 Count in DataSheet */ +}; +static const u8 W83791D_REG_FAN_MIN[NUMBER_OF_FANIN] = { + 0x3B, /* FAN 1 Count Low Limit in DataSheet */ + 0x3C, /* FAN 2 Count Low Limit in DataSheet */ + 0x3D, /* FAN 3 Count Low Limit in DataSheet */ + 0xBC, /* FAN 4 Count Low Limit in DataSheet */ + 0xBD, /* FAN 5 Count Low Limit in DataSheet */ +}; + +static const u8 W83791D_REG_FAN_CFG[2] = { + 0x84, /* FAN 1/2 configuration */ + 0x95, /* FAN 3 configuration */ +}; + +static const u8 W83791D_REG_FAN_DIV[3] = { + 0x47, /* contains FAN1 and FAN2 Divisor */ + 0x4b, /* contains FAN3 Divisor */ + 0x5C, /* contains FAN4 and FAN5 Divisor */ +}; + +#define W83791D_REG_BANK 0x4E +#define W83791D_REG_TEMP2_CONFIG 0xC2 +#define W83791D_REG_TEMP3_CONFIG 0xCA + +static const u8 W83791D_REG_TEMP1[3] = { + 0x27, /* TEMP 1 in DataSheet */ + 0x39, /* TEMP 1 Over in DataSheet */ + 0x3A, /* TEMP 1 Hyst in DataSheet */ +}; + +static const u8 W83791D_REG_TEMP_ADD[2][6] = { + {0xC0, /* TEMP 2 in DataSheet */ + 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ + 0xC5, /* TEMP 2 Over High part in DataSheet */ + 0xC6, /* TEMP 2 Over Low part in DataSheet */ + 0xC3, /* TEMP 2 Thyst High part in DataSheet */ + 0xC4}, /* TEMP 2 Thyst Low part in DataSheet */ + {0xC8, /* TEMP 3 in DataSheet */ + 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ + 0xCD, /* TEMP 3 Over High part in DataSheet */ + 0xCE, /* TEMP 3 Over Low part in DataSheet */ + 0xCB, /* TEMP 3 Thyst High part in DataSheet */ + 0xCC} /* TEMP 3 Thyst Low part in DataSheet */ +}; + +#define W83791D_REG_BEEP_CONFIG 0x4D + +static const u8 W83791D_REG_BEEP_CTRL[3] = { + 0x56, /* BEEP Control Register 1 */ + 0x57, /* BEEP Control Register 2 */ + 0xA3, /* BEEP Control Register 3 */ +}; + +#define W83791D_REG_CONFIG 0x40 +#define W83791D_REG_VID_FANDIV 0x47 +#define W83791D_REG_DID_VID4 0x49 +#define W83791D_REG_WCHIPID 0x58 +#define W83791D_REG_CHIPMAN 0x4F +#define W83791D_REG_PIN 0x4B +#define W83791D_REG_I2C_SUBADDR 0x4A + +#define W83791D_REG_ALARM1 0xA9 /* realtime status register1 */ +#define W83791D_REG_ALARM2 0xAA /* realtime status register2 */ +#define W83791D_REG_ALARM3 0xAB /* realtime status register3 */ + +#define W83791D_REG_VBAT 0x5D +#define W83791D_REG_I2C_ADDR 0x48 + +/* The SMBus locks itself. The Winbond W83791D has a bank select register + (index 0x4e), but the driver only accesses registers in bank 0. Since + we don't switch banks, we don't need any special code to handle + locking access between bank switches */ +static inline int w83791d_read(struct i2c_client *client, u8 reg) +{ + return i2c_smbus_read_byte_data(client, reg); +} + +static inline int w83791d_write(struct i2c_client *client, u8 reg, u8 value) +{ + return i2c_smbus_write_byte_data(client, reg, value); +} + +/* The analog voltage inputs have 16mV LSB. Since the sysfs output is + in mV as would be measured on the chip input pin, need to just + multiply/divide by 16 to translate from/to register values. */ +#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8) / 16), 0, 255)) +#define IN_FROM_REG(val) ((val) * 16) + +static u8 fan_to_reg(long rpm, int div) +{ + if (rpm == 0) + return 255; + rpm = SENSORS_LIMIT(rpm, 1, 1000000); + return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); +} + +#define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ + ((val) == 255 ? 0 : \ + 1350000 / ((val) * (div)))) + +/* for temp1 which is 8-bit resolution, LSB = 1 degree Celsius */ +#define TEMP1_FROM_REG(val) ((val) * 1000) +#define TEMP1_TO_REG(val) ((val) <= -128000 ? -128 : \ + (val) >= 127000 ? 127 : \ + (val) < 0 ? ((val) - 500) / 1000 : \ + ((val) + 500) / 1000) + +/* for temp2 and temp3 which are 9-bit resolution, LSB = 0.5 degree Celsius + Assumes the top 8 bits are the integral amount and the bottom 8 bits + are the fractional amount. Since we only have 0.5 degree resolution, + the bottom 7 bits will always be zero */ +#define TEMP23_FROM_REG(val) ((val) / 128 * 500) +#define TEMP23_TO_REG(val) ((val) <= -128000 ? 0x8000 : \ + (val) >= 127500 ? 0x7F80 : \ + (val) < 0 ? ((val) - 250) / 500 * 128 : \ + ((val) + 250) / 500 * 128) + + +#define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) +#define BEEP_MASK_FROM_REG(val) ((val) & 0xffffff) + +#define DIV_FROM_REG(val) (1 << (val)) + +static u8 div_to_reg(int nr, long val) +{ + int i; + int max; + + /* first three fan's divisor max out at 8, rest max out at 128 */ + max = (nr < 3) ? 8 : 128; + val = SENSORS_LIMIT(val, 1, max) >> 1; + for (i = 0; i < 7; i++) { + if (val == 0) + break; + val >>= 1; + } + return (u8) i; +} + +struct w83791d_data { + struct i2c_client client; + struct class_device *class_dev; + struct mutex update_lock; + + char valid; /* !=0 if following fields are valid */ + unsigned long last_updated; /* In jiffies */ + + /* array of 2 pointers to subclients */ + struct i2c_client *lm75[2]; + + /* volts */ + u8 in[NUMBER_OF_VIN]; /* Register value */ + u8 in_max[NUMBER_OF_VIN]; /* Register value */ + u8 in_min[NUMBER_OF_VIN]; /* Register value */ + + /* fans */ + u8 fan[NUMBER_OF_FANIN]; /* Register value */ + u8 fan_min[NUMBER_OF_FANIN]; /* Register value */ + u8 fan_div[NUMBER_OF_FANIN]; /* Register encoding, shifted right */ + + /* Temperature sensors */ + + s8 temp1[3]; /* current, over, thyst */ + s16 temp_add[2][3]; /* fixed point value. Top 8 bits are the + integral part, bottom 8 bits are the + fractional part. We only use the top + 9 bits as the resolution is only + to the 0.5 degree C... + two sensors with three values + (cur, over, hyst) */ + + /* Misc */ + u32 alarms; /* realtime status register encoding,combined */ + u8 beep_enable; /* Global beep enable */ + u32 beep_mask; /* Mask off specific beeps */ + u8 vid; /* Register encoding, combined */ + u8 vrm; /* hwmon-vid */ +}; + +static int w83791d_attach_adapter(struct i2c_adapter *adapter); +static int w83791d_detect(struct i2c_adapter *adapter, int address, int kind); +static int w83791d_detach_client(struct i2c_client *client); + +static int w83791d_read(struct i2c_client *client, u8 register); +static int w83791d_write(struct i2c_client *client, u8 register, u8 value); +static struct w83791d_data *w83791d_update_device(struct device *dev); + +#ifdef DEBUG +static void w83791d_print_debug(struct w83791d_data *data, struct device *dev); +#endif + +static void w83791d_init_client(struct i2c_client *client); + +static struct i2c_driver w83791d_driver = { + .driver = { + .name = "w83791d", + }, + .attach_adapter = w83791d_attach_adapter, + .detach_client = w83791d_detach_client, +}; + +/* following are the sysfs callback functions */ +#define show_in_reg(reg) \ +static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct sensor_device_attribute *sensor_attr = \ + to_sensor_dev_attr(attr); \ + struct w83791d_data *data = w83791d_update_device(dev); \ + int nr = sensor_attr->index; \ + return sprintf(buf,"%d\n", IN_FROM_REG(data->reg[nr])); \ +} + +show_in_reg(in); +show_in_reg(in_min); +show_in_reg(in_max); + +#define store_in_reg(REG, reg) \ +static ssize_t store_in_##reg(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct sensor_device_attribute *sensor_attr = \ + to_sensor_dev_attr(attr); \ + struct i2c_client *client = to_i2c_client(dev); \ + struct w83791d_data *data = i2c_get_clientdata(client); \ + unsigned long val = simple_strtoul(buf, NULL, 10); \ + int nr = sensor_attr->index; \ + \ + mutex_lock(&data->update_lock); \ + data->in_##reg[nr] = IN_TO_REG(val); \ + w83791d_write(client, W83791D_REG_IN_##REG[nr], data->in_##reg[nr]); \ + mutex_unlock(&data->update_lock); \ + \ + return count; \ +} +store_in_reg(MIN, min); +store_in_reg(MAX, max); + +static struct sensor_device_attribute sda_in_input[] = { + SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), + SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), + SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), + SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), + SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), + SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), + SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), + SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), + SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), + SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), +}; + +static struct sensor_device_attribute sda_in_min[] = { + SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), + SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), + SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), + SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), + SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), + SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), + SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), + SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), + SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), + SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), +}; + +static struct sensor_device_attribute sda_in_max[] = { + SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), + SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), + SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), + SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), + SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), + SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), + SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), + SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), + SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), + SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), +}; + +#define show_fan_reg(reg) \ +static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct sensor_device_attribute *sensor_attr = \ + to_sensor_dev_attr(attr); \ + struct w83791d_data *data = w83791d_update_device(dev); \ + int nr = sensor_attr->index; \ + return sprintf(buf,"%d\n", \ + FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ +} + +show_fan_reg(fan); +show_fan_reg(fan_min); + +static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + int nr = sensor_attr->index; + + mutex_lock(&data->update_lock); + data->fan_min[nr] = fan_to_reg(val, DIV_FROM_REG(data->fan_div[nr])); + w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + int nr = sensor_attr->index; + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr])); +} + +/* Note: we save and restore the fan minimum here, because its value is + determined in part by the fan divisor. This follows the principle of + least suprise; the user doesn't expect the fan minimum to change just + because the divisor changed. */ +static ssize_t store_fan_div(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + int nr = sensor_attr->index; + unsigned long min; + u8 tmp_fan_div; + u8 fan_div_reg; + int indx = 0; + u8 keep_mask = 0; + u8 new_shift = 0; + + /* Save fan_min */ + min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); + + mutex_lock(&data->update_lock); + data->fan_div[nr] = div_to_reg(nr, simple_strtoul(buf, NULL, 10)); + + switch (nr) { + case 0: + indx = 0; + keep_mask = 0xcf; + new_shift = 4; + break; + case 1: + indx = 0; + keep_mask = 0x3f; + new_shift = 6; + break; + case 2: + indx = 1; + keep_mask = 0x3f; + new_shift = 6; + break; + case 3: + indx = 2; + keep_mask = 0xf8; + new_shift = 0; + break; + case 4: + indx = 2; + keep_mask = 0x8f; + new_shift = 4; + break; +#ifdef DEBUG + default: + dev_warn(dev, "store_fan_div: Unexpected nr seen: %d\n", nr); + count = -EINVAL; + goto err_exit; +#endif + } + + fan_div_reg = w83791d_read(client, W83791D_REG_FAN_DIV[indx]) + & keep_mask; + tmp_fan_div = (data->fan_div[nr] << new_shift) & ~keep_mask; + + w83791d_write(client, W83791D_REG_FAN_DIV[indx], + fan_div_reg | tmp_fan_div); + + /* Restore fan_min */ + data->fan_min[nr] = fan_to_reg(min, DIV_FROM_REG(data->fan_div[nr])); + w83791d_write(client, W83791D_REG_FAN_MIN[nr], data->fan_min[nr]); + +#ifdef DEBUG +err_exit: +#endif + mutex_unlock(&data->update_lock); + + return count; +} + +static struct sensor_device_attribute sda_fan_input[] = { + SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), + SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), + SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), + SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), + SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), +}; + +static struct sensor_device_attribute sda_fan_min[] = { + SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 0), + SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 1), + SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 2), + SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 3), + SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, + show_fan_min, store_fan_min, 4), +}; + +static struct sensor_device_attribute sda_fan_div[] = { + SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 0), + SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 1), + SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 2), + SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 3), + SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, + show_fan_div, store_fan_div, 4), +}; + +/* read/write the temperature1, includes measured value and limits */ +static ssize_t show_temp1(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[attr->index])); +} + +static ssize_t store_temp1(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->index; + + mutex_lock(&data->update_lock); + data->temp1[nr] = TEMP1_TO_REG(val); + w83791d_write(client, W83791D_REG_TEMP1[nr], data->temp1[nr]); + mutex_unlock(&data->update_lock); + return count; +} + +/* read/write temperature2-3, includes measured value and limits */ +static ssize_t show_temp23(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct w83791d_data *data = w83791d_update_device(dev); + int nr = attr->nr; + int index = attr->index; + return sprintf(buf, "%d\n", TEMP23_FROM_REG(data->temp_add[nr][index])); +} + +static ssize_t store_temp23(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int nr = attr->nr; + int index = attr->index; + + mutex_lock(&data->update_lock); + data->temp_add[nr][index] = TEMP23_TO_REG(val); + w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2], + data->temp_add[nr][index] >> 8); + w83791d_write(client, W83791D_REG_TEMP_ADD[nr][index * 2 + 1], + data->temp_add[nr][index] & 0x80); + mutex_unlock(&data->update_lock); + + return count; +} + +static struct sensor_device_attribute_2 sda_temp_input[] = { + SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), + SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), + SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), +}; + +static struct sensor_device_attribute_2 sda_temp_max[] = { + SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, + show_temp1, store_temp1, 0, 1), + SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 0, 1), + SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 1, 1), +}; + +static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { + SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, + show_temp1, store_temp1, 0, 2), + SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 0, 2), + SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, + show_temp23, store_temp23, 1, 2), +}; + + +/* get reatime status of all sensors items: voltage, temp, fan */ +static ssize_t show_alarms_reg(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%u\n", data->alarms); +} + +static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); + +/* Beep control */ + +#define GLOBAL_BEEP_ENABLE_SHIFT 15 +#define GLOBAL_BEEP_ENABLE_MASK (1 << GLOBAL_BEEP_ENABLE_SHIFT) + +static ssize_t show_beep_enable(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%d\n", data->beep_enable); +} + +static ssize_t show_beep_mask(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%d\n", BEEP_MASK_FROM_REG(data->beep_mask)); +} + + +static ssize_t store_beep_mask(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + int i; + + mutex_lock(&data->update_lock); + + /* The beep_enable state overrides any enabling request from + the masks */ + data->beep_mask = BEEP_MASK_TO_REG(val) & ~GLOBAL_BEEP_ENABLE_MASK; + data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); + + val = data->beep_mask; + + for (i = 0; i < 3; i++) { + w83791d_write(client, W83791D_REG_BEEP_CTRL[i], (val & 0xff)); + val >>= 8; + } + + mutex_unlock(&data->update_lock); + + return count; +} + +static ssize_t store_beep_enable(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + mutex_lock(&data->update_lock); + + data->beep_enable = val ? 1 : 0; + + /* Keep the full mask value in sync with the current enable */ + data->beep_mask &= ~GLOBAL_BEEP_ENABLE_MASK; + data->beep_mask |= (data->beep_enable << GLOBAL_BEEP_ENABLE_SHIFT); + + /* The global control is in the second beep control register + so only need to update that register */ + val = (data->beep_mask >> 8) & 0xff; + + w83791d_write(client, W83791D_REG_BEEP_CTRL[1], val); + + mutex_unlock(&data->update_lock); + + return count; +} + +static struct sensor_device_attribute sda_beep_ctrl[] = { + SENSOR_ATTR(beep_enable, S_IRUGO | S_IWUSR, + show_beep_enable, store_beep_enable, 0), + SENSOR_ATTR(beep_mask, S_IRUGO | S_IWUSR, + show_beep_mask, store_beep_mask, 1) +}; + +/* cpu voltage regulation information */ +static ssize_t show_vid_reg(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); +} + +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); + +static ssize_t show_vrm_reg(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct w83791d_data *data = w83791d_update_device(dev); + return sprintf(buf, "%d\n", data->vrm); +} + +static ssize_t store_vrm_reg(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10); + + /* No lock needed as vrm is internal to the driver + (not read from a chip register) and so is not + updated in w83791d_update_device() */ + data->vrm = val; + + return count; +} + +static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); + +/* This function is called when: + * w83791d_driver is inserted (when this module is loaded), for each + available adapter + * when a new adapter is inserted (and w83791d_driver is still present) */ +static int w83791d_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; + return i2c_probe(adapter, &addr_data, w83791d_detect); +} + + +static int w83791d_create_subclient(struct i2c_adapter *adapter, + struct i2c_client *client, int addr, + struct i2c_client **sub_cli) +{ + int err; + struct i2c_client *sub_client; + + (*sub_cli) = sub_client = + kzalloc(sizeof(struct i2c_client), GFP_KERNEL); + if (!(sub_client)) { + return -ENOMEM; + } + sub_client->addr = 0x48 + addr; + i2c_set_clientdata(sub_client, NULL); + sub_client->adapter = adapter; + sub_client->driver = &w83791d_driver; + strlcpy(sub_client->name, "w83791d subclient", I2C_NAME_SIZE); + if ((err = i2c_attach_client(sub_client))) { + dev_err(&client->dev, "subclient registration " + "at address 0x%x failed\n", sub_client->addr); + kfree(sub_client); + return err; + } + return 0; +} + + +static int w83791d_detect_subclients(struct i2c_adapter *adapter, int address, + int kind, struct i2c_client *client) +{ + struct w83791d_data *data = i2c_get_clientdata(client); + int i, id, err; + u8 val; + + id = i2c_adapter_id(adapter); + if (force_subclients[0] == id && force_subclients[1] == address) { + for (i = 2; i <= 3; i++) { + if (force_subclients[i] < 0x48 || + force_subclients[i] > 0x4f) { + dev_err(&client->dev, + "invalid subclient " + "address %d; must be 0x48-0x4f\n", + force_subclients[i]); + err = -ENODEV; + goto error_sc_0; + } + } + w83791d_write(client, W83791D_REG_I2C_SUBADDR, + (force_subclients[2] & 0x07) | + ((force_subclients[3] & 0x07) << 4)); + } + + val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); + if (!(val & 0x08)) { + err = w83791d_create_subclient(adapter, client, + val & 0x7, &data->lm75[0]); + if (err < 0) + goto error_sc_0; + } + if (!(val & 0x80)) { + if ((data->lm75[0] != NULL) && + ((val & 0x7) == ((val >> 4) & 0x7))) { + dev_err(&client->dev, + "duplicate addresses 0x%x, " + "use force_subclient\n", + data->lm75[0]->addr); + err = -ENODEV; + goto error_sc_1; + } + err = w83791d_create_subclient(adapter, client, + (val >> 4) & 0x7, &data->lm75[1]); + if (err < 0) + goto error_sc_1; + } + + return 0; + +/* Undo inits in case of errors */ + +error_sc_1: + if (data->lm75[0] != NULL) { + i2c_detach_client(data->lm75[0]); + kfree(data->lm75[0]); + } +error_sc_0: + return err; +} + + +static int w83791d_detect(struct i2c_adapter *adapter, int address, int kind) +{ + struct i2c_client *client; + struct device *dev; + struct w83791d_data *data; + int i, val1, val2; + int err = 0; + const char *client_name = ""; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + goto error0; + } + + /* OK. For now, we presume we have a valid client. We now create the + client structure, even though we cannot fill it completely yet. + But it allows us to access w83791d_{read,write}_value. */ + if (!(data = kzalloc(sizeof(struct w83791d_data), GFP_KERNEL))) { + err = -ENOMEM; + goto error0; + } + + client = &data->client; + dev = &client->dev; + i2c_set_clientdata(client, data); + client->addr = address; + client->adapter = adapter; + client->driver = &w83791d_driver; + mutex_init(&data->update_lock); + + /* Now, we do the remaining detection. */ + + /* The w83791d may be stuck in some other bank than bank 0. This may + make reading other information impossible. Specify a force=... + parameter, and the Winbond will be reset to the right bank. */ + if (kind < 0) { + if (w83791d_read(client, W83791D_REG_CONFIG) & 0x80) { + dev_dbg(dev, "Detection failed at step 1\n"); + goto error1; + } + val1 = w83791d_read(client, W83791D_REG_BANK); + val2 = w83791d_read(client, W83791D_REG_CHIPMAN); + /* Check for Winbond ID if in bank 0 */ + if (!(val1 & 0x07)) { + /* yes it is Bank0 */ + if (((!(val1 & 0x80)) && (val2 != 0xa3)) || + ((val1 & 0x80) && (val2 != 0x5c))) { + dev_dbg(dev, "Detection failed at step 2\n"); + goto error1; + } + } + /* If Winbond chip, address of chip and W83791D_REG_I2C_ADDR + should match */ + if (w83791d_read(client, W83791D_REG_I2C_ADDR) != address) { + dev_dbg(dev, "Detection failed at step 3\n"); + goto error1; + } + } + + /* We either have a force parameter or we have reason to + believe it is a Winbond chip. Either way, we want bank 0 and + Vendor ID high byte */ + val1 = w83791d_read(client, W83791D_REG_BANK) & 0x78; + w83791d_write(client, W83791D_REG_BANK, val1 | 0x80); + + /* Verify it is a Winbond w83791d */ + if (kind <= 0) { + /* get vendor ID */ + val2 = w83791d_read(client, W83791D_REG_CHIPMAN); + if (val2 != 0x5c) { /* the vendor is NOT Winbond */ + dev_dbg(dev, "Detection failed at step 4\n"); + goto error1; + } + val1 = w83791d_read(client, W83791D_REG_WCHIPID); + if (val1 == 0x71) { + kind = w83791d; + } else { + if (kind == 0) + dev_warn(dev, + "w83791d: Ignoring 'force' parameter " + "for unknown chip at adapter %d, " + "address 0x%02x\n", + i2c_adapter_id(adapter), address); + goto error1; + } + } + + if (kind == w83791d) { + client_name = "w83791d"; + } else { + dev_err(dev, "w83791d: Internal error: unknown kind (%d)?!?", + kind); + goto error1; + } + +#ifdef DEBUG + val1 = w83791d_read(client, W83791D_REG_DID_VID4); + dev_dbg(dev, "Device ID version: %d.%d (0x%02x)\n", + (val1 >> 5) & 0x07, (val1 >> 1) & 0x0f, val1); +#endif + + /* Fill in the remaining client fields and put into the global list */ + strlcpy(client->name, client_name, I2C_NAME_SIZE); + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(client))) + goto error1; + + if ((err = w83791d_detect_subclients(adapter, address, kind, client))) + goto error2; + + /* Initialize the chip */ + w83791d_init_client(client); + + /* If the fan_div is changed, make sure there is a rational + fan_min in place */ + for (i = 0; i < NUMBER_OF_FANIN; i++) { + data->fan_min[i] = w83791d_read(client, W83791D_REG_FAN_MIN[i]); + } + + /* Register sysfs hooks */ + data->class_dev = hwmon_device_register(dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto error3; + } + + for (i = 0; i < NUMBER_OF_VIN; i++) { + device_create_file(dev, &sda_in_input[i].dev_attr); + device_create_file(dev, &sda_in_min[i].dev_attr); + device_create_file(dev, &sda_in_max[i].dev_attr); + } + + for (i = 0; i < NUMBER_OF_FANIN; i++) { + device_create_file(dev, &sda_fan_input[i].dev_attr); + device_create_file(dev, &sda_fan_div[i].dev_attr); + device_create_file(dev, &sda_fan_min[i].dev_attr); + } + + for (i = 0; i < NUMBER_OF_TEMPIN; i++) { + device_create_file(dev, &sda_temp_input[i].dev_attr); + device_create_file(dev, &sda_temp_max[i].dev_attr); + device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); + } + + device_create_file(dev, &dev_attr_alarms); + + for (i = 0; i < ARRAY_SIZE(sda_beep_ctrl); i++) { + device_create_file(dev, &sda_beep_ctrl[i].dev_attr); + } + + device_create_file(dev, &dev_attr_cpu0_vid); + device_create_file(dev, &dev_attr_vrm); + + return 0; + +error3: + if (data->lm75[0] != NULL) { + i2c_detach_client(data->lm75[0]); + kfree(data->lm75[0]); + } + if (data->lm75[1] != NULL) { + i2c_detach_client(data->lm75[1]); + kfree(data->lm75[1]); + } +error2: + i2c_detach_client(client); +error1: + kfree(data); +error0: + return err; +} + +static int w83791d_detach_client(struct i2c_client *client) +{ + struct w83791d_data *data = i2c_get_clientdata(client); + int err; + + /* main client */ + if (data) + hwmon_device_unregister(data->class_dev); + + if ((err = i2c_detach_client(client))) + return err; + + /* main client */ + if (data) + kfree(data); + /* subclient */ + else + kfree(client); + + return 0; +} + +static void w83791d_init_client(struct i2c_client *client) +{ + struct w83791d_data *data = i2c_get_clientdata(client); + u8 tmp; + u8 old_beep; + + /* The difference between reset and init is that reset + does a hard reset of the chip via index 0x40, bit 7, + but init simply forces certain registers to have "sane" + values. The hope is that the BIOS has done the right + thing (which is why the default is reset=0, init=0), + but if not, reset is the hard hammer and init + is the soft mallet both of which are trying to whack + things into place... + NOTE: The data sheet makes a distinction between + "power on defaults" and "reset by MR". As far as I can tell, + the hard reset puts everything into a power-on state so I'm + not sure what "reset by MR" means or how it can happen. + */ + if (reset || init) { + /* keep some BIOS settings when we... */ + old_beep = w83791d_read(client, W83791D_REG_BEEP_CONFIG); + + if (reset) { + /* ... reset the chip and ... */ + w83791d_write(client, W83791D_REG_CONFIG, 0x80); + } + + /* ... disable power-on abnormal beep */ + w83791d_write(client, W83791D_REG_BEEP_CONFIG, old_beep | 0x80); + + /* disable the global beep (not done by hard reset) */ + tmp = w83791d_read(client, W83791D_REG_BEEP_CTRL[1]); + w83791d_write(client, W83791D_REG_BEEP_CTRL[1], tmp & 0xef); + + if (init) { + /* Make sure monitoring is turned on for add-ons */ + tmp = w83791d_read(client, W83791D_REG_TEMP2_CONFIG); + if (tmp & 1) { + w83791d_write(client, W83791D_REG_TEMP2_CONFIG, + tmp & 0xfe); + } + + tmp = w83791d_read(client, W83791D_REG_TEMP3_CONFIG); + if (tmp & 1) { + w83791d_write(client, W83791D_REG_TEMP3_CONFIG, + tmp & 0xfe); + } + + /* Start monitoring */ + tmp = w83791d_read(client, W83791D_REG_CONFIG) & 0xf7; + w83791d_write(client, W83791D_REG_CONFIG, tmp | 0x01); + } + } + + data->vrm = vid_which_vrm(); +} + +static struct w83791d_data *w83791d_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct w83791d_data *data = i2c_get_clientdata(client); + int i, j; + u8 reg_array_tmp[3]; + + mutex_lock(&data->update_lock); + + if (time_after(jiffies, data->last_updated + (HZ * 3)) + || !data->valid) { + dev_dbg(dev, "Starting w83791d device update\n"); + + /* Update the voltages measured value and limits */ + for (i = 0; i < NUMBER_OF_VIN; i++) { + data->in[i] = w83791d_read(client, + W83791D_REG_IN[i]); + data->in_max[i] = w83791d_read(client, + W83791D_REG_IN_MAX[i]); + data->in_min[i] = w83791d_read(client, + W83791D_REG_IN_MIN[i]); + } + + /* Update the fan counts and limits */ + for (i = 0; i < NUMBER_OF_FANIN; i++) { + /* Update the Fan measured value and limits */ + data->fan[i] = w83791d_read(client, + W83791D_REG_FAN[i]); + data->fan_min[i] = w83791d_read(client, + W83791D_REG_FAN_MIN[i]); + } + + /* Update the fan divisor */ + for (i = 0; i < 3; i++) { + reg_array_tmp[i] = w83791d_read(client, + W83791D_REG_FAN_DIV[i]); + } + data->fan_div[0] = (reg_array_tmp[0] >> 4) & 0x03; + data->fan_div[1] = (reg_array_tmp[0] >> 6) & 0x03; + data->fan_div[2] = (reg_array_tmp[1] >> 6) & 0x03; + data->fan_div[3] = reg_array_tmp[2] & 0x07; + data->fan_div[4] = (reg_array_tmp[2] >> 4) & 0x07; + + /* Update the first temperature sensor */ + for (i = 0; i < 3; i++) { + data->temp1[i] = w83791d_read(client, + W83791D_REG_TEMP1[i]); + } + + /* Update the rest of the temperature sensors */ + for (i = 0; i < 2; i++) { + for (j = 0; j < 3; j++) { + data->temp_add[i][j] = + (w83791d_read(client, + W83791D_REG_TEMP_ADD[i][j * 2]) << 8) | + w83791d_read(client, + W83791D_REG_TEMP_ADD[i][j * 2 + 1]); + } + } + + /* Update the realtime status */ + data->alarms = + w83791d_read(client, W83791D_REG_ALARM1) + + (w83791d_read(client, W83791D_REG_ALARM2) << 8) + + (w83791d_read(client, W83791D_REG_ALARM3) << 16); + + /* Update the beep configuration information */ + data->beep_mask = + w83791d_read(client, W83791D_REG_BEEP_CTRL[0]) + + (w83791d_read(client, W83791D_REG_BEEP_CTRL[1]) << 8) + + (w83791d_read(client, W83791D_REG_BEEP_CTRL[2]) << 16); + + data->beep_enable = + (data->beep_mask >> GLOBAL_BEEP_ENABLE_SHIFT) & 0x01; + + /* Update the cpu voltage information */ + i = w83791d_read(client, W83791D_REG_VID_FANDIV); + data->vid = i & 0x0f; + data->vid |= (w83791d_read(client, W83791D_REG_DID_VID4) & 0x01) + << 4; + + data->last_updated = jiffies; + data->valid = 1; + } + + mutex_unlock(&data->update_lock); + +#ifdef DEBUG + w83791d_print_debug(data, dev); +#endif + + return data; +} + +#ifdef DEBUG +static void w83791d_print_debug(struct w83791d_data *data, struct device *dev) +{ + int i = 0, j = 0; + + dev_dbg(dev, "======Start of w83791d debug values======\n"); + dev_dbg(dev, "%d set of Voltages: ===>\n", NUMBER_OF_VIN); + for (i = 0; i < NUMBER_OF_VIN; i++) { + dev_dbg(dev, "vin[%d] is: 0x%02x\n", i, data->in[i]); + dev_dbg(dev, "vin[%d] min is: 0x%02x\n", i, data->in_min[i]); + dev_dbg(dev, "vin[%d] max is: 0x%02x\n", i, data->in_max[i]); + } + dev_dbg(dev, "%d set of Fan Counts/Divisors: ===>\n", NUMBER_OF_FANIN); + for (i = 0; i < NUMBER_OF_FANIN; i++) { + dev_dbg(dev, "fan[%d] is: 0x%02x\n", i, data->fan[i]); + dev_dbg(dev, "fan[%d] min is: 0x%02x\n", i, data->fan_min[i]); + dev_dbg(dev, "fan_div[%d] is: 0x%02x\n", i, data->fan_div[i]); + } + + /* temperature math is signed, but only print out the + bits that matter */ + dev_dbg(dev, "%d set of Temperatures: ===>\n", NUMBER_OF_TEMPIN); + for (i = 0; i < 3; i++) { + dev_dbg(dev, "temp1[%d] is: 0x%02x\n", i, (u8) data->temp1[i]); + } + for (i = 0; i < 2; i++) { + for (j = 0; j < 3; j++) { + dev_dbg(dev, "temp_add[%d][%d] is: 0x%04x\n", i, j, + (u16) data->temp_add[i][j]); + } + } + + dev_dbg(dev, "Misc Information: ===>\n"); + dev_dbg(dev, "alarm is: 0x%08x\n", data->alarms); + dev_dbg(dev, "beep_mask is: 0x%08x\n", data->beep_mask); + dev_dbg(dev, "beep_enable is: %d\n", data->beep_enable); + dev_dbg(dev, "vid is: 0x%02x\n", data->vid); + dev_dbg(dev, "vrm is: 0x%02x\n", data->vrm); + dev_dbg(dev, "=======End of w83791d debug values========\n"); + dev_dbg(dev, "\n"); +} +#endif + +static int __init sensors_w83791d_init(void) +{ + return i2c_add_driver(&w83791d_driver); +} + +static void __exit sensors_w83791d_exit(void) +{ + i2c_del_driver(&w83791d_driver); +} + +MODULE_AUTHOR("Charles Spirakis <bezaur@gmail.com>"); +MODULE_DESCRIPTION("W83791D driver"); +MODULE_LICENSE("GPL"); + +module_init(sensors_w83791d_init); +module_exit(sensors_w83791d_exit); diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 958602e..4ef884c 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -250,8 +250,6 @@ FAN_TO_REG(long rpm, int div) : (val)) / 1000, 0, 0xff)) #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) -#define PWM_FROM_REG(val) (val) -#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) #define DIV_FROM_REG(val) (1 << (val)) static inline u8 @@ -291,7 +289,6 @@ struct w83792d_data { u8 pwm[7]; /* We only consider the first 3 set of pwm, although 792 chip has 7 set of pwm. */ u8 pwmenable[3]; - u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */ u32 alarms; /* realtime status register encoding,combined */ u8 chassis; /* Chassis status */ u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ @@ -375,8 +372,10 @@ static ssize_t store_in_##reg (struct device *dev, \ u32 val; \ \ val = simple_strtoul(buf, NULL, 10); \ + mutex_lock(&data->update_lock); \ data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ + mutex_unlock(&data->update_lock); \ \ return count; \ } @@ -443,9 +442,11 @@ store_fan_min(struct device *dev, struct device_attribute *attr, u32 val; val = simple_strtoul(buf, NULL, 10); + mutex_lock(&data->update_lock); data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); + mutex_unlock(&data->update_lock); return count; } @@ -478,6 +479,7 @@ store_fan_div(struct device *dev, struct device_attribute *attr, u8 tmp_fan_div; /* Save fan_min */ + mutex_lock(&data->update_lock); min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); @@ -493,6 +495,7 @@ store_fan_div(struct device *dev, struct device_attribute *attr, /* Restore fan_min */ data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); + mutex_unlock(&data->update_lock); return count; } @@ -547,10 +550,11 @@ static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, s32 val; val = simple_strtol(buf, NULL, 10); - + mutex_lock(&data->update_lock); data->temp1[nr] = TEMP1_TO_REG(val); w83792d_write_value(client, W83792D_REG_TEMP1[nr], data->temp1[nr]); + mutex_unlock(&data->update_lock); return count; } @@ -580,13 +584,14 @@ static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, s32 val; val = simple_strtol(buf, NULL, 10); - + mutex_lock(&data->update_lock); data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], data->temp_add[nr][index]); w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], data->temp_add[nr][index+1]); + mutex_unlock(&data->update_lock); return count; } @@ -627,7 +632,7 @@ show_pwm(struct device *dev, struct device_attribute *attr, struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct w83792d_data *data = w83792d_update_device(dev); - return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1])); + return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); } static ssize_t @@ -659,14 +664,16 @@ store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index - 1; + int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct w83792d_data *data = i2c_get_clientdata(client); - u32 val; + u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; - val = simple_strtoul(buf, NULL, 10); - data->pwm[nr] = PWM_TO_REG(val); + mutex_lock(&data->update_lock); + val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; + data->pwm[nr] = val; w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); + mutex_unlock(&data->update_lock); return count; } @@ -683,6 +690,10 @@ store_pwmenable(struct device *dev, struct device_attribute *attr, u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; val = simple_strtoul(buf, NULL, 10); + if (val < 1 || val > 3) + return -EINVAL; + + mutex_lock(&data->update_lock); switch (val) { case 1: data->pwmenable[nr] = 0; /* manual mode */ @@ -693,8 +704,6 @@ store_pwmenable(struct device *dev, struct device_attribute *attr, case 3: data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ break; - default: - return -EINVAL; } cfg1_tmp = data->pwmenable[0]; cfg2_tmp = (data->pwmenable[1]) << 2; @@ -702,14 +711,15 @@ store_pwmenable(struct device *dev, struct device_attribute *attr, cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); + mutex_unlock(&data->update_lock); return count; } static struct sensor_device_attribute sda_pwm[] = { - SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), - SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), - SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), + SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), + SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), + SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), }; static struct sensor_device_attribute sda_pwm_enable[] = { SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, @@ -728,7 +738,7 @@ show_pwm_mode(struct device *dev, struct device_attribute *attr, struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct w83792d_data *data = w83792d_update_device(dev); - return sprintf(buf, "%d\n", data->pwm_mode[nr-1]); + return sprintf(buf, "%d\n", data->pwm[nr] >> 7); } static ssize_t @@ -736,29 +746,35 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index - 1; + int nr = sensor_attr->index; struct i2c_client *client = to_i2c_client(dev); struct w83792d_data *data = i2c_get_clientdata(client); u32 val; - u8 pwm_mode_mask = 0; val = simple_strtoul(buf, NULL, 10); - data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1); - pwm_mode_mask = w83792d_read_value(client, - W83792D_REG_PWM[nr]) & 0x7f; - w83792d_write_value(client, W83792D_REG_PWM[nr], - ((data->pwm_mode[nr]) << 7) | pwm_mode_mask); + if (val != 0 && val != 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); + if (val) { /* PWM mode */ + data->pwm[nr] |= 0x80; + } else { /* DC mode */ + data->pwm[nr] &= 0x7f; + } + w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); + mutex_unlock(&data->update_lock); return count; } static struct sensor_device_attribute sda_pwm_mode[] = { SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, - show_pwm_mode, store_pwm_mode, 1), + show_pwm_mode, store_pwm_mode, 0), SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, - show_pwm_mode, store_pwm_mode, 2), + show_pwm_mode, store_pwm_mode, 1), SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, - show_pwm_mode, store_pwm_mode, 3), + show_pwm_mode, store_pwm_mode, 2), }; @@ -789,12 +805,13 @@ store_chassis_clear(struct device *dev, struct device_attribute *attr, u8 temp1 = 0, temp2 = 0; val = simple_strtoul(buf, NULL, 10); - + mutex_lock(&data->update_lock); data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); temp1 = ((data->chassis_clear) << 7) & 0x80; temp2 = w83792d_read_value(client, W83792D_REG_CHASSIS_CLR) & 0x7f; w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); + mutex_unlock(&data->update_lock); return count; } @@ -827,10 +844,12 @@ store_thermal_cruise(struct device *dev, struct device_attribute *attr, val = simple_strtoul(buf, NULL, 10); target_tmp = val; target_tmp = target_tmp & 0x7f; + mutex_lock(&data->update_lock); target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); w83792d_write_value(client, W83792D_REG_THERMAL[nr], (data->thermal_cruise[nr]) | target_mask); + mutex_unlock(&data->update_lock); return count; } @@ -867,6 +886,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, u8 tol_tmp, tol_mask; val = simple_strtoul(buf, NULL, 10); + mutex_lock(&data->update_lock); tol_mask = w83792d_read_value(client, W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); tol_tmp = SENSORS_LIMIT(val, 0, 15); @@ -877,6 +897,7 @@ store_tolerance(struct device *dev, struct device_attribute *attr, } w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], tol_mask | tol_tmp); + mutex_unlock(&data->update_lock); return count; } @@ -915,11 +936,13 @@ store_sf2_point(struct device *dev, struct device_attribute *attr, u8 mask_tmp = 0; val = simple_strtoul(buf, NULL, 10); + mutex_lock(&data->update_lock); data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); mask_tmp = w83792d_read_value(client, W83792D_REG_POINTS[index][nr]) & 0x80; w83792d_write_value(client, W83792D_REG_POINTS[index][nr], mask_tmp|data->sf2_points[index][nr]); + mutex_unlock(&data->update_lock); return count; } @@ -979,6 +1002,7 @@ store_sf2_level(struct device *dev, struct device_attribute *attr, u8 mask_tmp=0, level_tmp=0; val = simple_strtoul(buf, NULL, 10); + mutex_lock(&data->update_lock); data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) & ((nr==3) ? 0xf0 : 0x0f); @@ -988,6 +1012,7 @@ store_sf2_level(struct device *dev, struct device_attribute *attr, level_tmp = data->sf2_levels[index][nr] << 4; } w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); + mutex_unlock(&data->update_lock); return count; } @@ -1373,7 +1398,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct w83792d_data *data = i2c_get_clientdata(client); int i, j; - u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp; + u8 reg_array_tmp[4], reg_tmp; mutex_lock(&data->update_lock); @@ -1402,10 +1427,8 @@ static struct w83792d_data *w83792d_update_device(struct device *dev) data->fan_min[i] = w83792d_read_value(client, W83792D_REG_FAN_MIN[i]); /* Update the PWM/DC Value and PWM/DC flag */ - pwm_array_tmp[i] = w83792d_read_value(client, + data->pwm[i] = w83792d_read_value(client, W83792D_REG_PWM[i]); - data->pwm[i] = pwm_array_tmp[i] & 0x0f; - data->pwm_mode[i] = pwm_array_tmp[i] >> 7; } reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); @@ -1513,7 +1536,6 @@ static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); - dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]); } dev_dbg(dev, "3 set of Temperatures: =====>\n"); for (i=0; i<3; i++) { |
