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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/hwmon/pc87360.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/hwmon/pc87360.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/hwmon/pc87360.c | 1832 |
1 files changed, 0 insertions, 1832 deletions
diff --git a/ANDROID_3.4.5/drivers/hwmon/pc87360.c b/ANDROID_3.4.5/drivers/hwmon/pc87360.c deleted file mode 100644 index 79ba48c8..00000000 --- a/ANDROID_3.4.5/drivers/hwmon/pc87360.c +++ /dev/null @@ -1,1832 +0,0 @@ -/* - * pc87360.c - Part of lm_sensors, Linux kernel modules - * for hardware monitoring - * Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org> - * - * Copied from smsc47m1.c: - * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.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 the following chips: - * - * Chip #vin #fan #pwm #temp devid - * PC87360 - 2 2 - 0xE1 - * PC87363 - 2 2 - 0xE8 - * PC87364 - 3 3 - 0xE4 - * PC87365 11 3 3 2 0xE5 - * PC87366 11 3 3 3-4 0xE9 - * - * This driver assumes that no more than one chip is present, and one of - * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/jiffies.h> -#include <linux/platform_device.h> -#include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> -#include <linux/hwmon-vid.h> -#include <linux/err.h> -#include <linux/mutex.h> -#include <linux/acpi.h> -#include <linux/io.h> - -static u8 devid; -static struct platform_device *pdev; -static unsigned short extra_isa[3]; -static u8 confreg[4]; - -static int init = 1; -module_param(init, int, 0); -MODULE_PARM_DESC(init, -"Chip initialization level:\n" -" 0: None\n" -"*1: Forcibly enable internal voltage and temperature channels, except in9\n" -" 2: Forcibly enable all voltage and temperature channels, except in9\n" -" 3: Forcibly enable all voltage and temperature channels, including in9"); - -static unsigned short force_id; -module_param(force_id, ushort, 0); -MODULE_PARM_DESC(force_id, "Override the detected device ID"); - -/* - * Super-I/O registers and operations - */ - -#define DEV 0x07 /* Register: Logical device select */ -#define DEVID 0x20 /* Register: Device ID */ -#define ACT 0x30 /* Register: Device activation */ -#define BASE 0x60 /* Register: Base address */ - -#define FSCM 0x09 /* Logical device: fans */ -#define VLM 0x0d /* Logical device: voltages */ -#define TMS 0x0e /* Logical device: temperatures */ -#define LDNI_MAX 3 -static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS }; - -#define LD_FAN 0 -#define LD_IN 1 -#define LD_TEMP 2 - -static inline void superio_outb(int sioaddr, int reg, int val) -{ - outb(reg, sioaddr); - outb(val, sioaddr + 1); -} - -static inline int superio_inb(int sioaddr, int reg) -{ - outb(reg, sioaddr); - return inb(sioaddr + 1); -} - -static inline void superio_exit(int sioaddr) -{ - outb(0x02, sioaddr); - outb(0x02, sioaddr + 1); -} - -/* - * Logical devices - */ - -#define PC87360_EXTENT 0x10 -#define PC87365_REG_BANK 0x09 -#define NO_BANK 0xff - -/* - * Fan registers and conversions - */ - -/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ -#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) -#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) -#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) -#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) -#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) - -#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \ - 480000 / ((val) * (div))) -#define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \ - 480000 / ((val) * (div))) -#define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03)) -#define FAN_STATUS_FROM_REG(val) ((val) & 0x07) - -#define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1) -#define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1) -#define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1) - -#define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val)) -static inline u8 PWM_TO_REG(int val, int inv) -{ - if (inv) - val = 255 - val; - if (val < 0) - return 0; - if (val > 255) - return 255; - return val; -} - -/* - * Voltage registers and conversions - */ - -#define PC87365_REG_IN_CONVRATE 0x07 -#define PC87365_REG_IN_CONFIG 0x08 -#define PC87365_REG_IN 0x0B -#define PC87365_REG_IN_MIN 0x0D -#define PC87365_REG_IN_MAX 0x0C -#define PC87365_REG_IN_STATUS 0x0A -#define PC87365_REG_IN_ALARMS1 0x00 -#define PC87365_REG_IN_ALARMS2 0x01 -#define PC87365_REG_VID 0x06 - -#define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256) -#define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \ - (val) * 256 >= (ref) * 255 ? 255 : \ - ((val) * 256 + (ref) / 2) / (ref)) - -/* - * Temperature registers and conversions - */ - -#define PC87365_REG_TEMP_CONFIG 0x08 -#define PC87365_REG_TEMP 0x0B -#define PC87365_REG_TEMP_MIN 0x0D -#define PC87365_REG_TEMP_MAX 0x0C -#define PC87365_REG_TEMP_CRIT 0x0E -#define PC87365_REG_TEMP_STATUS 0x0A -#define PC87365_REG_TEMP_ALARMS 0x00 - -#define TEMP_FROM_REG(val) ((val) * 1000) -#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ - (val) > 127000 ? 127 : \ - (val) < 0 ? ((val) - 500) / 1000 : \ - ((val) + 500) / 1000) - -/* - * Device data - */ - -struct pc87360_data { - const char *name; - struct device *hwmon_dev; - struct mutex lock; - struct mutex update_lock; - char valid; /* !=0 if following fields are valid */ - unsigned long last_updated; /* In jiffies */ - - int address[3]; - - u8 fannr, innr, tempnr; - - u8 fan[3]; /* Register value */ - u8 fan_min[3]; /* Register value */ - u8 fan_status[3]; /* Register value */ - u8 pwm[3]; /* Register value */ - u16 fan_conf; /* Configuration register values, combined */ - - u16 in_vref; /* 1 mV/bit */ - u8 in[14]; /* Register value */ - u8 in_min[14]; /* Register value */ - u8 in_max[14]; /* Register value */ - u8 in_crit[3]; /* Register value */ - u8 in_status[14]; /* Register value */ - u16 in_alarms; /* Register values, combined, masked */ - u8 vid_conf; /* Configuration register value */ - u8 vrm; - u8 vid; /* Register value */ - - s8 temp[3]; /* Register value */ - s8 temp_min[3]; /* Register value */ - s8 temp_max[3]; /* Register value */ - s8 temp_crit[3]; /* Register value */ - u8 temp_status[3]; /* Register value */ - u8 temp_alarms; /* Register value, masked */ -}; - -/* - * Functions declaration - */ - -static int pc87360_probe(struct platform_device *pdev); -static int __devexit pc87360_remove(struct platform_device *pdev); - -static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, - u8 reg); -static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, - u8 reg, u8 value); -static void pc87360_init_device(struct platform_device *pdev, - int use_thermistors); -static struct pc87360_data *pc87360_update_device(struct device *dev); - -/* - * Driver data - */ - -static struct platform_driver pc87360_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "pc87360", - }, - .probe = pc87360_probe, - .remove = __devexit_p(pc87360_remove), -}; - -/* - * Sysfs stuff - */ - -static ssize_t show_fan_input(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], - FAN_DIV_FROM_REG(data->fan_status[attr->index]))); -} -static ssize_t show_fan_min(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], - FAN_DIV_FROM_REG(data->fan_status[attr->index]))); -} -static ssize_t show_fan_div(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", - FAN_DIV_FROM_REG(data->fan_status[attr->index])); -} -static ssize_t show_fan_status(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", - FAN_STATUS_FROM_REG(data->fan_status[attr->index])); -} -static ssize_t set_fan_min(struct device *dev, - struct device_attribute *devattr, const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long fan_min; - int err; - - err = kstrtol(buf, 10, &fan_min); - if (err) - return err; - - mutex_lock(&data->update_lock); - fan_min = FAN_TO_REG(fan_min, - FAN_DIV_FROM_REG(data->fan_status[attr->index])); - - /* If it wouldn't fit, change clock divisor */ - while (fan_min > 255 - && (data->fan_status[attr->index] & 0x60) != 0x60) { - fan_min >>= 1; - data->fan[attr->index] >>= 1; - data->fan_status[attr->index] += 0x20; - } - data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; - pc87360_write_value(data, LD_FAN, NO_BANK, - PC87360_REG_FAN_MIN(attr->index), - data->fan_min[attr->index]); - - /* Write new divider, preserve alarm bits */ - pc87360_write_value(data, LD_FAN, NO_BANK, - PC87360_REG_FAN_STATUS(attr->index), - data->fan_status[attr->index] & 0xF9); - mutex_unlock(&data->update_lock); - - return count; -} - -static struct sensor_device_attribute fan_input[] = { - SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0), - SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1), - SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2), -}; -static struct sensor_device_attribute fan_status[] = { - SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0), - SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1), - SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2), -}; -static struct sensor_device_attribute fan_div[] = { - SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), - SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), - SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), -}; -static struct sensor_device_attribute fan_min[] = { - SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0), - SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1), - SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2), -}; - -#define FAN_UNIT_ATTRS(X) \ -{ &fan_input[X].dev_attr.attr, \ - &fan_status[X].dev_attr.attr, \ - &fan_div[X].dev_attr.attr, \ - &fan_min[X].dev_attr.attr, \ - NULL \ -} - -static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, - char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", - PWM_FROM_REG(data->pwm[attr->index], - FAN_CONFIG_INVERT(data->fan_conf, - attr->index))); -} -static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->pwm[attr->index] = PWM_TO_REG(val, - FAN_CONFIG_INVERT(data->fan_conf, attr->index)); - pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), - data->pwm[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static struct sensor_device_attribute pwm[] = { - SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0), - SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1), - SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2), -}; - -static struct attribute *pc8736x_fan_attr[][5] = { - FAN_UNIT_ATTRS(0), - FAN_UNIT_ATTRS(1), - FAN_UNIT_ATTRS(2) -}; - -static const struct attribute_group pc8736x_fan_attr_group[] = { - { .attrs = pc8736x_fan_attr[0], }, - { .attrs = pc8736x_fan_attr[1], }, - { .attrs = pc8736x_fan_attr[2], }, -}; - -static ssize_t show_in_input(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], - data->in_vref)); -} -static ssize_t show_in_min(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], - data->in_vref)); -} -static ssize_t show_in_max(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], - data->in_vref)); -} -static ssize_t show_in_status(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", data->in_status[attr->index]); -} -static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); - pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, - data->in_min[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} -static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->in_max[attr->index] = IN_TO_REG(val, - data->in_vref); - pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, - data->in_max[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static struct sensor_device_attribute in_input[] = { - SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0), - SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1), - SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2), - SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3), - SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4), - SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5), - SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6), - SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7), - SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8), - SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9), - SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10), -}; -static struct sensor_device_attribute in_status[] = { - SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0), - SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1), - SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2), - SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3), - SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4), - SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5), - SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6), - SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7), - SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8), - SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9), - SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10), -}; -static struct sensor_device_attribute in_min[] = { - SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0), - SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1), - SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2), - SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3), - SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4), - SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5), - SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6), - SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7), - SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8), - SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9), - SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10), -}; -static struct sensor_device_attribute in_max[] = { - SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0), - SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1), - SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2), - SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3), - SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4), - SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5), - SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6), - SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7), - SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8), - SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9), - SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10), -}; - -/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ -#define CHAN_ALM_MIN 0x02 /* min limit crossed */ -#define CHAN_ALM_MAX 0x04 /* max limit exceeded */ -#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ - -/* - * show_in_min/max_alarm() reads data from the per-channel status - * register (sec 11.5.12), not the vin event status registers (sec - * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) - */ - -static ssize_t show_in_min_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); -} -static ssize_t show_in_max_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); -} - -static struct sensor_device_attribute in_min_alarm[] = { - SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0), - SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1), - SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2), - SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3), - SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4), - SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5), - SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6), - SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7), - SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8), - SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9), - SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10), -}; -static struct sensor_device_attribute in_max_alarm[] = { - SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0), - SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1), - SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2), - SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3), - SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4), - SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5), - SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6), - SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7), - SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8), - SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9), - SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10), -}; - -#define VIN_UNIT_ATTRS(X) \ - &in_input[X].dev_attr.attr, \ - &in_status[X].dev_attr.attr, \ - &in_min[X].dev_attr.attr, \ - &in_max[X].dev_attr.attr, \ - &in_min_alarm[X].dev_attr.attr, \ - &in_max_alarm[X].dev_attr.attr - -static ssize_t show_vid(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\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 pc87360_data *data = dev_get_drvdata(dev); - return sprintf(buf, "%u\n", data->vrm); -} -static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pc87360_data *data = dev_get_drvdata(dev); - unsigned long val; - int err; - - err = kstrtoul(buf, 10, &val); - if (err) - return err; - - data->vrm = val; - return count; -} -static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); - -static ssize_t show_in_alarms(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", data->in_alarms); -} -static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL); - -static struct attribute *pc8736x_vin_attr_array[] = { - VIN_UNIT_ATTRS(0), - VIN_UNIT_ATTRS(1), - VIN_UNIT_ATTRS(2), - VIN_UNIT_ATTRS(3), - VIN_UNIT_ATTRS(4), - VIN_UNIT_ATTRS(5), - VIN_UNIT_ATTRS(6), - VIN_UNIT_ATTRS(7), - VIN_UNIT_ATTRS(8), - VIN_UNIT_ATTRS(9), - VIN_UNIT_ATTRS(10), - &dev_attr_cpu0_vid.attr, - &dev_attr_vrm.attr, - &dev_attr_alarms_in.attr, - NULL -}; -static const struct attribute_group pc8736x_vin_group = { - .attrs = pc8736x_vin_attr_array, -}; - -static ssize_t show_therm_input(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], - data->in_vref)); -} -static ssize_t show_therm_min(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], - data->in_vref)); -} -static ssize_t show_therm_max(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], - data->in_vref)); -} -static ssize_t show_therm_crit(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], - data->in_vref)); -} -static ssize_t show_therm_status(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", data->in_status[attr->index]); -} - -static ssize_t set_therm_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); - pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, - data->in_min[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static ssize_t set_therm_max(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); - pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, - data->in_max[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} -static ssize_t set_therm_crit(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); - pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, - data->in_crit[attr->index-11]); - mutex_unlock(&data->update_lock); - return count; -} - -/* - * the +11 term below reflects the fact that VLM units 11,12,13 are - * used in the chip to measure voltage across the thermistors - */ -static struct sensor_device_attribute therm_input[] = { - SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0 + 11), - SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1 + 11), - SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2 + 11), -}; -static struct sensor_device_attribute therm_status[] = { - SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0 + 11), - SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1 + 11), - SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2 + 11), -}; -static struct sensor_device_attribute therm_min[] = { - SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR, - show_therm_min, set_therm_min, 0 + 11), - SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR, - show_therm_min, set_therm_min, 1 + 11), - SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR, - show_therm_min, set_therm_min, 2 + 11), -}; -static struct sensor_device_attribute therm_max[] = { - SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR, - show_therm_max, set_therm_max, 0 + 11), - SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR, - show_therm_max, set_therm_max, 1 + 11), - SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR, - show_therm_max, set_therm_max, 2 + 11), -}; -static struct sensor_device_attribute therm_crit[] = { - SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR, - show_therm_crit, set_therm_crit, 0 + 11), - SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR, - show_therm_crit, set_therm_crit, 1 + 11), - SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR, - show_therm_crit, set_therm_crit, 2 + 11), -}; - -/* - * show_therm_min/max_alarm() reads data from the per-channel voltage - * status register (sec 11.5.12) - */ - -static ssize_t show_therm_min_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); -} -static ssize_t show_therm_max_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); -} -static ssize_t show_therm_crit_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT)); -} - -static struct sensor_device_attribute therm_min_alarm[] = { - SENSOR_ATTR(temp4_min_alarm, S_IRUGO, - show_therm_min_alarm, NULL, 0 + 11), - SENSOR_ATTR(temp5_min_alarm, S_IRUGO, - show_therm_min_alarm, NULL, 1 + 11), - SENSOR_ATTR(temp6_min_alarm, S_IRUGO, - show_therm_min_alarm, NULL, 2 + 11), -}; -static struct sensor_device_attribute therm_max_alarm[] = { - SENSOR_ATTR(temp4_max_alarm, S_IRUGO, - show_therm_max_alarm, NULL, 0 + 11), - SENSOR_ATTR(temp5_max_alarm, S_IRUGO, - show_therm_max_alarm, NULL, 1 + 11), - SENSOR_ATTR(temp6_max_alarm, S_IRUGO, - show_therm_max_alarm, NULL, 2 + 11), -}; -static struct sensor_device_attribute therm_crit_alarm[] = { - SENSOR_ATTR(temp4_crit_alarm, S_IRUGO, - show_therm_crit_alarm, NULL, 0 + 11), - SENSOR_ATTR(temp5_crit_alarm, S_IRUGO, - show_therm_crit_alarm, NULL, 1 + 11), - SENSOR_ATTR(temp6_crit_alarm, S_IRUGO, - show_therm_crit_alarm, NULL, 2 + 11), -}; - -#define THERM_UNIT_ATTRS(X) \ - &therm_input[X].dev_attr.attr, \ - &therm_status[X].dev_attr.attr, \ - &therm_min[X].dev_attr.attr, \ - &therm_max[X].dev_attr.attr, \ - &therm_crit[X].dev_attr.attr, \ - &therm_min_alarm[X].dev_attr.attr, \ - &therm_max_alarm[X].dev_attr.attr, \ - &therm_crit_alarm[X].dev_attr.attr - -static struct attribute *pc8736x_therm_attr_array[] = { - THERM_UNIT_ATTRS(0), - THERM_UNIT_ATTRS(1), - THERM_UNIT_ATTRS(2), - NULL -}; -static const struct attribute_group pc8736x_therm_group = { - .attrs = pc8736x_therm_attr_array, -}; - -static ssize_t show_temp_input(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); -} - -static ssize_t show_temp_min(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); -} - -static ssize_t show_temp_max(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); -} - -static ssize_t show_temp_crit(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%d\n", - TEMP_FROM_REG(data->temp_crit[attr->index])); -} - -static ssize_t show_temp_status(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%d\n", data->temp_status[attr->index]); -} - -static ssize_t set_temp_min(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->temp_min[attr->index] = TEMP_TO_REG(val); - pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, - data->temp_min[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static ssize_t set_temp_max(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->temp_max[attr->index] = TEMP_TO_REG(val); - pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, - data->temp_max[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static ssize_t set_temp_crit(struct device *dev, - struct device_attribute *devattr, const char *buf, - size_t count) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct pc87360_data *data = dev_get_drvdata(dev); - long val; - int err; - - err = kstrtol(buf, 10, &val); - if (err) - return err; - - mutex_lock(&data->update_lock); - data->temp_crit[attr->index] = TEMP_TO_REG(val); - pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, - data->temp_crit[attr->index]); - mutex_unlock(&data->update_lock); - return count; -} - -static struct sensor_device_attribute temp_input[] = { - SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0), - SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1), - SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2), -}; -static struct sensor_device_attribute temp_status[] = { - SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0), - SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1), - SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2), -}; -static struct sensor_device_attribute temp_min[] = { - SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR, - show_temp_min, set_temp_min, 0), - SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR, - show_temp_min, set_temp_min, 1), - SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR, - show_temp_min, set_temp_min, 2), -}; -static struct sensor_device_attribute temp_max[] = { - SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, - show_temp_max, set_temp_max, 0), - SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, - show_temp_max, set_temp_max, 1), - SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, - show_temp_max, set_temp_max, 2), -}; -static struct sensor_device_attribute temp_crit[] = { - SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR, - show_temp_crit, set_temp_crit, 0), - SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR, - show_temp_crit, set_temp_crit, 1), - SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR, - show_temp_crit, set_temp_crit, 2), -}; - -static ssize_t show_temp_alarms(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - return sprintf(buf, "%u\n", data->temp_alarms); -} - -static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL); - -/* - * show_temp_min/max_alarm() reads data from the per-channel status - * register (sec 12.3.7), not the temp event status registers (sec - * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) - */ - -static ssize_t show_temp_min_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); -} - -static ssize_t show_temp_max_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); -} - -static ssize_t show_temp_crit_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); -} - -static struct sensor_device_attribute temp_min_alarm[] = { - SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0), - SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1), - SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2), -}; - -static struct sensor_device_attribute temp_max_alarm[] = { - SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0), - SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1), - SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2), -}; - -static struct sensor_device_attribute temp_crit_alarm[] = { - SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0), - SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1), - SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2), -}; - -#define TEMP_FAULT 0x40 /* open diode */ -static ssize_t show_temp_fault(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = pc87360_update_device(dev); - unsigned nr = to_sensor_dev_attr(devattr)->index; - - return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); -} -static struct sensor_device_attribute temp_fault[] = { - SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0), - SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1), - SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2), -}; - -#define TEMP_UNIT_ATTRS(X) \ -{ &temp_input[X].dev_attr.attr, \ - &temp_status[X].dev_attr.attr, \ - &temp_min[X].dev_attr.attr, \ - &temp_max[X].dev_attr.attr, \ - &temp_crit[X].dev_attr.attr, \ - &temp_min_alarm[X].dev_attr.attr, \ - &temp_max_alarm[X].dev_attr.attr, \ - &temp_crit_alarm[X].dev_attr.attr, \ - &temp_fault[X].dev_attr.attr, \ - NULL \ -} - -static struct attribute *pc8736x_temp_attr[][10] = { - TEMP_UNIT_ATTRS(0), - TEMP_UNIT_ATTRS(1), - TEMP_UNIT_ATTRS(2) -}; - -static const struct attribute_group pc8736x_temp_attr_group[] = { - { .attrs = pc8736x_temp_attr[0] }, - { .attrs = pc8736x_temp_attr[1] }, - { .attrs = pc8736x_temp_attr[2] } -}; - -static ssize_t show_name(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct pc87360_data *data = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", data->name); -} - -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); - -/* - * Device detection, registration and update - */ - -static int __init pc87360_find(int sioaddr, u8 *devid, - unsigned short *addresses) -{ - u16 val; - int i; - int nrdev; /* logical device count */ - - /* No superio_enter */ - - /* Identify device */ - val = force_id ? force_id : superio_inb(sioaddr, DEVID); - switch (val) { - case 0xE1: /* PC87360 */ - case 0xE8: /* PC87363 */ - case 0xE4: /* PC87364 */ - nrdev = 1; - break; - case 0xE5: /* PC87365 */ - case 0xE9: /* PC87366 */ - nrdev = 3; - break; - default: - superio_exit(sioaddr); - return -ENODEV; - } - /* Remember the device id */ - *devid = val; - - for (i = 0; i < nrdev; i++) { - /* select logical device */ - superio_outb(sioaddr, DEV, logdev[i]); - - val = superio_inb(sioaddr, ACT); - if (!(val & 0x01)) { - pr_info("Device 0x%02x not activated\n", logdev[i]); - continue; - } - - val = (superio_inb(sioaddr, BASE) << 8) - | superio_inb(sioaddr, BASE + 1); - if (!val) { - pr_info("Base address not set for device 0x%02x\n", - logdev[i]); - continue; - } - - addresses[i] = val; - - if (i == 0) { /* Fans */ - confreg[0] = superio_inb(sioaddr, 0xF0); - confreg[1] = superio_inb(sioaddr, 0xF1); - - pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1, - (confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1, - (confreg[0] >> 4) & 1); - pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2, - (confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1, - (confreg[0] >> 7) & 1); - pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3, - confreg[1] & 1, (confreg[1] >> 1) & 1, - (confreg[1] >> 2) & 1); - } else if (i == 1) { /* Voltages */ - /* Are we using thermistors? */ - if (*devid == 0xE9) { /* PC87366 */ - /* - * These registers are not logical-device - * specific, just that we won't need them if - * we don't use the VLM device - */ - confreg[2] = superio_inb(sioaddr, 0x2B); - confreg[3] = superio_inb(sioaddr, 0x25); - - if (confreg[2] & 0x40) { - pr_info("Using thermistors for " - "temperature monitoring\n"); - } - if (confreg[3] & 0xE0) { - pr_info("VID inputs routed (mode %u)\n", - confreg[3] >> 5); - } - } - } - } - - superio_exit(sioaddr); - return 0; -} - -static void pc87360_remove_files(struct device *dev) -{ - int i; - - device_remove_file(dev, &dev_attr_name); - device_remove_file(dev, &dev_attr_alarms_temp); - for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++) - sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]); - for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) { - sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]); - device_remove_file(dev, &pwm[i].dev_attr); - } - sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); - sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); -} - -static int __devinit pc87360_probe(struct platform_device *pdev) -{ - int i; - struct pc87360_data *data; - int err = 0; - const char *name = "pc87360"; - int use_thermistors = 0; - struct device *dev = &pdev->dev; - - data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->fannr = 2; - data->innr = 0; - data->tempnr = 0; - - switch (devid) { - case 0xe8: - name = "pc87363"; - break; - case 0xe4: - name = "pc87364"; - data->fannr = 3; - break; - case 0xe5: - name = "pc87365"; - data->fannr = extra_isa[0] ? 3 : 0; - data->innr = extra_isa[1] ? 11 : 0; - data->tempnr = extra_isa[2] ? 2 : 0; - break; - case 0xe9: - name = "pc87366"; - data->fannr = extra_isa[0] ? 3 : 0; - data->innr = extra_isa[1] ? 14 : 0; - data->tempnr = extra_isa[2] ? 3 : 0; - break; - } - - data->name = name; - data->valid = 0; - mutex_init(&data->lock); - mutex_init(&data->update_lock); - platform_set_drvdata(pdev, data); - - for (i = 0; i < LDNI_MAX; i++) { - data->address[i] = extra_isa[i]; - if (data->address[i] - && !request_region(extra_isa[i], PC87360_EXTENT, - pc87360_driver.driver.name)) { - dev_err(dev, "Region 0x%x-0x%x already " - "in use!\n", extra_isa[i], - extra_isa[i]+PC87360_EXTENT-1); - for (i--; i >= 0; i--) - release_region(extra_isa[i], PC87360_EXTENT); - err = -EBUSY; - goto ERROR1; - } - } - - /* Retrieve the fans configuration from Super-I/O space */ - if (data->fannr) - data->fan_conf = confreg[0] | (confreg[1] << 8); - - /* - * Use the correct reference voltage - * Unless both the VLM and the TMS logical devices agree to - * use an external Vref, the internal one is used. - */ - if (data->innr) { - i = pc87360_read_value(data, LD_IN, NO_BANK, - PC87365_REG_IN_CONFIG); - if (data->tempnr) { - i &= pc87360_read_value(data, LD_TEMP, NO_BANK, - PC87365_REG_TEMP_CONFIG); - } - data->in_vref = (i&0x02) ? 3025 : 2966; - dev_dbg(dev, "Using %s reference voltage\n", - (i&0x02) ? "external" : "internal"); - - data->vid_conf = confreg[3]; - data->vrm = vid_which_vrm(); - } - - /* Fan clock dividers may be needed before any data is read */ - for (i = 0; i < data->fannr; i++) { - if (FAN_CONFIG_MONITOR(data->fan_conf, i)) - data->fan_status[i] = pc87360_read_value(data, - LD_FAN, NO_BANK, - PC87360_REG_FAN_STATUS(i)); - } - - if (init > 0) { - if (devid == 0xe9 && data->address[1]) /* PC87366 */ - use_thermistors = confreg[2] & 0x40; - - pc87360_init_device(pdev, use_thermistors); - } - - /* Register all-or-nothing sysfs groups */ - - if (data->innr) { - err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group); - if (err) - goto ERROR3; - } - - if (data->innr == 14) { - err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group); - if (err) - goto ERROR3; - } - - /* create device attr-files for varying sysfs groups */ - - if (data->tempnr) { - for (i = 0; i < data->tempnr; i++) { - err = sysfs_create_group(&dev->kobj, - &pc8736x_temp_attr_group[i]); - if (err) - goto ERROR3; - } - err = device_create_file(dev, &dev_attr_alarms_temp); - if (err) - goto ERROR3; - } - - for (i = 0; i < data->fannr; i++) { - if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { - err = sysfs_create_group(&dev->kobj, - &pc8736x_fan_attr_group[i]); - if (err) - goto ERROR3; - } - if (FAN_CONFIG_CONTROL(data->fan_conf, i)) { - err = device_create_file(dev, &pwm[i].dev_attr); - if (err) - goto ERROR3; - } - } - - err = device_create_file(dev, &dev_attr_name); - if (err) - goto ERROR3; - - data->hwmon_dev = hwmon_device_register(dev); - if (IS_ERR(data->hwmon_dev)) { - err = PTR_ERR(data->hwmon_dev); - goto ERROR3; - } - return 0; - -ERROR3: - pc87360_remove_files(dev); - for (i = 0; i < 3; i++) { - if (data->address[i]) - release_region(data->address[i], PC87360_EXTENT); - } -ERROR1: - kfree(data); - return err; -} - -static int __devexit pc87360_remove(struct platform_device *pdev) -{ - struct pc87360_data *data = platform_get_drvdata(pdev); - int i; - - hwmon_device_unregister(data->hwmon_dev); - pc87360_remove_files(&pdev->dev); - for (i = 0; i < 3; i++) { - if (data->address[i]) - release_region(data->address[i], PC87360_EXTENT); - } - kfree(data); - - return 0; -} - -/* - * ldi is the logical device index - * bank is for voltages and temperatures only - */ -static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, - u8 reg) -{ - int res; - - mutex_lock(&(data->lock)); - if (bank != NO_BANK) - outb_p(bank, data->address[ldi] + PC87365_REG_BANK); - res = inb_p(data->address[ldi] + reg); - mutex_unlock(&(data->lock)); - - return res; -} - -static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, - u8 reg, u8 value) -{ - mutex_lock(&(data->lock)); - if (bank != NO_BANK) - outb_p(bank, data->address[ldi] + PC87365_REG_BANK); - outb_p(value, data->address[ldi] + reg); - mutex_unlock(&(data->lock)); -} - -/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ -#define CHAN_CNVRTD 0x80 /* new data ready */ -#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ -#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ -#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ - -#define TEMP_OTS_OE 0x20 /* OTS Output Enable */ -#define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ -#define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ - -static void pc87360_init_device(struct platform_device *pdev, - int use_thermistors) -{ - struct pc87360_data *data = platform_get_drvdata(pdev); - int i, nr; - const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; - const u8 init_temp[3] = { 2, 2, 1 }; - u8 reg; - - if (init >= 2 && data->innr) { - reg = pc87360_read_value(data, LD_IN, NO_BANK, - PC87365_REG_IN_CONVRATE); - dev_info(&pdev->dev, "VLM conversion set to " - "1s period, 160us delay\n"); - pc87360_write_value(data, LD_IN, NO_BANK, - PC87365_REG_IN_CONVRATE, - (reg & 0xC0) | 0x11); - } - - nr = data->innr < 11 ? data->innr : 11; - for (i = 0; i < nr; i++) { - reg = pc87360_read_value(data, LD_IN, i, - PC87365_REG_IN_STATUS); - dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg); - if (init >= init_in[i]) { - /* Forcibly enable voltage channel */ - if (!(reg & CHAN_ENA)) { - dev_dbg(&pdev->dev, "Forcibly " - "enabling in%d\n", i); - pc87360_write_value(data, LD_IN, i, - PC87365_REG_IN_STATUS, - (reg & 0x68) | 0x87); - } - } - } - - /* - * We can't blindly trust the Super-I/O space configuration bit, - * most BIOS won't set it properly - */ - dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors); - for (i = 11; i < data->innr; i++) { - reg = pc87360_read_value(data, LD_IN, i, - PC87365_REG_TEMP_STATUS); - use_thermistors = use_thermistors || (reg & CHAN_ENA); - /* thermistors are temp[4-6], measured on vin[11-14] */ - dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg); - } - dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors); - - i = use_thermistors ? 2 : 0; - for (; i < data->tempnr; i++) { - reg = pc87360_read_value(data, LD_TEMP, i, - PC87365_REG_TEMP_STATUS); - dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg); - if (init >= init_temp[i]) { - /* Forcibly enable temperature channel */ - if (!(reg & CHAN_ENA)) { - dev_dbg(&pdev->dev, - "Forcibly enabling temp%d\n", i + 1); - pc87360_write_value(data, LD_TEMP, i, - PC87365_REG_TEMP_STATUS, - 0xCF); - } - } - } - - if (use_thermistors) { - for (i = 11; i < data->innr; i++) { - if (init >= init_in[i]) { - /* - * The pin may already be used by thermal - * diodes - */ - reg = pc87360_read_value(data, LD_TEMP, - (i - 11) / 2, PC87365_REG_TEMP_STATUS); - if (reg & CHAN_ENA) { - dev_dbg(&pdev->dev, - "Skipping temp%d, pin already in use by temp%d\n", - i - 7, (i - 11) / 2); - continue; - } - - /* Forcibly enable thermistor channel */ - reg = pc87360_read_value(data, LD_IN, i, - PC87365_REG_IN_STATUS); - if (!(reg & CHAN_ENA)) { - dev_dbg(&pdev->dev, - "Forcibly enabling temp%d\n", - i - 7); - pc87360_write_value(data, LD_IN, i, - PC87365_REG_TEMP_STATUS, - (reg & 0x60) | 0x8F); - } - } - } - } - - if (data->innr) { - reg = pc87360_read_value(data, LD_IN, NO_BANK, - PC87365_REG_IN_CONFIG); - dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg); - if (reg & CHAN_ENA) { - dev_dbg(&pdev->dev, - "Forcibly enabling monitoring (VLM)\n"); - pc87360_write_value(data, LD_IN, NO_BANK, - PC87365_REG_IN_CONFIG, - reg & 0xFE); - } - } - - if (data->tempnr) { - reg = pc87360_read_value(data, LD_TEMP, NO_BANK, - PC87365_REG_TEMP_CONFIG); - dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg); - if (reg & CHAN_ENA) { - dev_dbg(&pdev->dev, - "Forcibly enabling monitoring (TMS)\n"); - pc87360_write_value(data, LD_TEMP, NO_BANK, - PC87365_REG_TEMP_CONFIG, - reg & 0xFE); - } - - if (init >= 2) { - /* Chip config as documented by National Semi. */ - pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); - /* - * We voluntarily omit the bank here, in case the - * sequence itself matters. It shouldn't be a problem, - * since nobody else is supposed to access the - * device at that point. - */ - pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); - pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); - pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); - pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); - } - } -} - -static void pc87360_autodiv(struct device *dev, int nr) -{ - struct pc87360_data *data = dev_get_drvdata(dev); - u8 old_min = data->fan_min[nr]; - - /* Increase clock divider if needed and possible */ - if ((data->fan_status[nr] & 0x04) /* overflow flag */ - || (data->fan[nr] >= 224)) { /* next to overflow */ - if ((data->fan_status[nr] & 0x60) != 0x60) { - data->fan_status[nr] += 0x20; - data->fan_min[nr] >>= 1; - data->fan[nr] >>= 1; - dev_dbg(dev, "Increasing " - "clock divider to %d for fan %d\n", - FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1); - } - } else { - /* Decrease clock divider if possible */ - while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ - && data->fan[nr] < 85 /* bad accuracy */ - && (data->fan_status[nr] & 0x60) != 0x00) { - data->fan_status[nr] -= 0x20; - data->fan_min[nr] <<= 1; - data->fan[nr] <<= 1; - dev_dbg(dev, "Decreasing " - "clock divider to %d for fan %d\n", - FAN_DIV_FROM_REG(data->fan_status[nr]), - nr + 1); - } - } - - /* Write new fan min if it changed */ - if (old_min != data->fan_min[nr]) { - pc87360_write_value(data, LD_FAN, NO_BANK, - PC87360_REG_FAN_MIN(nr), - data->fan_min[nr]); - } -} - -static struct pc87360_data *pc87360_update_device(struct device *dev) -{ - struct pc87360_data *data = dev_get_drvdata(dev); - u8 i; - - mutex_lock(&data->update_lock); - - if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { - dev_dbg(dev, "Data update\n"); - - /* Fans */ - for (i = 0; i < data->fannr; i++) { - if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { - data->fan_status[i] = - pc87360_read_value(data, LD_FAN, - NO_BANK, PC87360_REG_FAN_STATUS(i)); - data->fan[i] = pc87360_read_value(data, LD_FAN, - NO_BANK, PC87360_REG_FAN(i)); - data->fan_min[i] = pc87360_read_value(data, - LD_FAN, NO_BANK, - PC87360_REG_FAN_MIN(i)); - /* Change clock divider if needed */ - pc87360_autodiv(dev, i); - /* Clear bits and write new divider */ - pc87360_write_value(data, LD_FAN, NO_BANK, - PC87360_REG_FAN_STATUS(i), - data->fan_status[i]); - } - if (FAN_CONFIG_CONTROL(data->fan_conf, i)) - data->pwm[i] = pc87360_read_value(data, LD_FAN, - NO_BANK, PC87360_REG_PWM(i)); - } - - /* Voltages */ - for (i = 0; i < data->innr; i++) { - data->in_status[i] = pc87360_read_value(data, LD_IN, i, - PC87365_REG_IN_STATUS); - /* Clear bits */ - pc87360_write_value(data, LD_IN, i, - PC87365_REG_IN_STATUS, - data->in_status[i]); - if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { - data->in[i] = pc87360_read_value(data, LD_IN, - i, PC87365_REG_IN); - } - if (data->in_status[i] & CHAN_ENA) { - data->in_min[i] = pc87360_read_value(data, - LD_IN, i, - PC87365_REG_IN_MIN); - data->in_max[i] = pc87360_read_value(data, - LD_IN, i, - PC87365_REG_IN_MAX); - if (i >= 11) - data->in_crit[i-11] = - pc87360_read_value(data, LD_IN, - i, PC87365_REG_TEMP_CRIT); - } - } - if (data->innr) { - data->in_alarms = pc87360_read_value(data, LD_IN, - NO_BANK, PC87365_REG_IN_ALARMS1) - | ((pc87360_read_value(data, LD_IN, - NO_BANK, PC87365_REG_IN_ALARMS2) - & 0x07) << 8); - data->vid = (data->vid_conf & 0xE0) ? - pc87360_read_value(data, LD_IN, - NO_BANK, PC87365_REG_VID) : 0x1F; - } - - /* Temperatures */ - for (i = 0; i < data->tempnr; i++) { - data->temp_status[i] = pc87360_read_value(data, - LD_TEMP, i, - PC87365_REG_TEMP_STATUS); - /* Clear bits */ - pc87360_write_value(data, LD_TEMP, i, - PC87365_REG_TEMP_STATUS, - data->temp_status[i]); - if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { - data->temp[i] = pc87360_read_value(data, - LD_TEMP, i, - PC87365_REG_TEMP); - } - if (data->temp_status[i] & CHAN_ENA) { - data->temp_min[i] = pc87360_read_value(data, - LD_TEMP, i, - PC87365_REG_TEMP_MIN); - data->temp_max[i] = pc87360_read_value(data, - LD_TEMP, i, - PC87365_REG_TEMP_MAX); - data->temp_crit[i] = pc87360_read_value(data, - LD_TEMP, i, - PC87365_REG_TEMP_CRIT); - } - } - if (data->tempnr) { - data->temp_alarms = pc87360_read_value(data, LD_TEMP, - NO_BANK, PC87365_REG_TEMP_ALARMS) - & 0x3F; - } - - data->last_updated = jiffies; - data->valid = 1; - } - - mutex_unlock(&data->update_lock); - - return data; -} - -static int __init pc87360_device_add(unsigned short address) -{ - struct resource res[3]; - int err, i, res_count; - - pdev = platform_device_alloc("pc87360", address); - if (!pdev) { - err = -ENOMEM; - pr_err("Device allocation failed\n"); - goto exit; - } - - memset(res, 0, 3 * sizeof(struct resource)); - res_count = 0; - for (i = 0; i < 3; i++) { - if (!extra_isa[i]) - continue; - res[res_count].start = extra_isa[i]; - res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1; - res[res_count].name = "pc87360", - res[res_count].flags = IORESOURCE_IO, - - err = acpi_check_resource_conflict(&res[res_count]); - if (err) - goto exit_device_put; - - res_count++; - } - - err = platform_device_add_resources(pdev, res, res_count); - if (err) { - pr_err("Device resources addition failed (%d)\n", err); - goto exit_device_put; - } - - err = platform_device_add(pdev); - if (err) { - pr_err("Device addition failed (%d)\n", err); - goto exit_device_put; - } - - return 0; - -exit_device_put: - platform_device_put(pdev); -exit: - return err; -} - -static int __init pc87360_init(void) -{ - int err, i; - unsigned short address = 0; - - if (pc87360_find(0x2e, &devid, extra_isa) - && pc87360_find(0x4e, &devid, extra_isa)) { - pr_warn("PC8736x not detected, module not inserted\n"); - return -ENODEV; - } - - /* Arbitrarily pick one of the addresses */ - for (i = 0; i < 3; i++) { - if (extra_isa[i] != 0x0000) { - address = extra_isa[i]; - break; - } - } - - if (address == 0x0000) { - pr_warn("No active logical device, module not inserted\n"); - return -ENODEV; - } - - err = platform_driver_register(&pc87360_driver); - if (err) - goto exit; - - /* Sets global pdev as a side effect */ - err = pc87360_device_add(address); - if (err) - goto exit_driver; - - return 0; - - exit_driver: - platform_driver_unregister(&pc87360_driver); - exit: - return err; -} - -static void __exit pc87360_exit(void) -{ - platform_device_unregister(pdev); - platform_driver_unregister(&pc87360_driver); -} - - -MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); -MODULE_DESCRIPTION("PC8736x hardware monitor"); -MODULE_LICENSE("GPL"); - -module_init(pc87360_init); -module_exit(pc87360_exit); |