| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jean Delvare | 3544 | 36.59% | 9 | 20.93% |
| Uwe Kleine-König | 3303 | 34.10% | 3 | 6.98% |
| Jim Cromie | 2302 | 23.76% | 12 | 27.91% |
| Guenter Roeck | 318 | 3.28% | 6 | 13.95% |
| Yani Ioannou | 131 | 1.35% | 1 | 2.33% |
| Ingo Molnar | 21 | 0.22% | 1 | 2.33% |
| Joe Perches | 19 | 0.20% | 1 | 2.33% |
| Mark M. Hoffman | 12 | 0.12% | 1 | 2.33% |
| Axel Lin | 10 | 0.10% | 1 | 2.33% |
| Greg Kroah-Hartman | 7 | 0.07% | 1 | 2.33% |
| Laurent Riffard | 5 | 0.05% | 1 | 2.33% |
| Alexey Dobriyan | 5 | 0.05% | 1 | 2.33% |
| Paul Fertser | 3 | 0.03% | 1 | 2.33% |
| Tony Jones | 2 | 0.02% | 1 | 2.33% |
| Zheng Yongjun | 2 | 0.02% | 1 | 2.33% |
| Thomas Gleixner | 2 | 0.02% | 1 | 2.33% |
| H Hartley Sweeten | 1 | 0.01% | 1 | 2.33% |
| Total | 9687 | 43 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * pc87360.c - Part of lm_sensors, Linux kernel modules * for hardware monitoring * Copyright (C) 2004, 2007 Jean Delvare <jdelvare@suse.de> * * Copied from smsc47m1.c: * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> * * 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> #define DRIVER_NAME "pc87360" /* (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 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; bool valid; /* true 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 */ }; /* * 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)); } 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 = true; } mutex_unlock(&data->update_lock); return data; } static ssize_t in_input_show(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 struct sensor_device_attribute in_input[] = { SENSOR_ATTR_RO(in0_input, in_input, 0), SENSOR_ATTR_RO(in1_input, in_input, 1), SENSOR_ATTR_RO(in2_input, in_input, 2), SENSOR_ATTR_RO(in3_input, in_input, 3), SENSOR_ATTR_RO(in4_input, in_input, 4), SENSOR_ATTR_RO(in5_input, in_input, 5), SENSOR_ATTR_RO(in6_input, in_input, 6), SENSOR_ATTR_RO(in7_input, in_input, 7), SENSOR_ATTR_RO(in8_input, in_input, 8), SENSOR_ATTR_RO(in9_input, in_input, 9), SENSOR_ATTR_RO(in10_input, in_input, 10), }; static ssize_t in_status_show(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 struct sensor_device_attribute in_status[] = { SENSOR_ATTR_RO(in0_status, in_status, 0), SENSOR_ATTR_RO(in1_status, in_status, 1), SENSOR_ATTR_RO(in2_status, in_status, 2), SENSOR_ATTR_RO(in3_status, in_status, 3), SENSOR_ATTR_RO(in4_status, in_status, 4), SENSOR_ATTR_RO(in5_status, in_status, 5), SENSOR_ATTR_RO(in6_status, in_status, 6), SENSOR_ATTR_RO(in7_status, in_status, 7), SENSOR_ATTR_RO(in8_status, in_status, 8), SENSOR_ATTR_RO(in9_status, in_status, 9), SENSOR_ATTR_RO(in10_status, in_status, 10), }; static ssize_t in_min_show(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 in_min_store(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 struct sensor_device_attribute in_min[] = { SENSOR_ATTR_RW(in0_min, in_min, 0), SENSOR_ATTR_RW(in1_min, in_min, 1), SENSOR_ATTR_RW(in2_min, in_min, 2), SENSOR_ATTR_RW(in3_min, in_min, 3), SENSOR_ATTR_RW(in4_min, in_min, 4), SENSOR_ATTR_RW(in5_min, in_min, 5), SENSOR_ATTR_RW(in6_min, in_min, 6), SENSOR_ATTR_RW(in7_min, in_min, 7), SENSOR_ATTR_RW(in8_min, in_min, 8), SENSOR_ATTR_RW(in9_min, in_min, 9), SENSOR_ATTR_RW(in10_min, in_min, 10), }; static ssize_t in_max_show(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 in_max_store(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_max[] = { SENSOR_ATTR_RW(in0_max, in_max, 0), SENSOR_ATTR_RW(in1_max, in_max, 1), SENSOR_ATTR_RW(in2_max, in_max, 2), SENSOR_ATTR_RW(in3_max, in_max, 3), SENSOR_ATTR_RW(in4_max, in_max, 4), SENSOR_ATTR_RW(in5_max, in_max, 5), SENSOR_ATTR_RW(in6_max, in_max, 6), SENSOR_ATTR_RW(in7_max, in_max, 7), SENSOR_ATTR_RW(in8_max, in_max, 8), SENSOR_ATTR_RW(in9_max, in_max, 9), SENSOR_ATTR_RW(in10_max, 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 in_min_alarm_show(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 struct sensor_device_attribute in_min_alarm[] = { SENSOR_ATTR_RO(in0_min_alarm, in_min_alarm, 0), SENSOR_ATTR_RO(in1_min_alarm, in_min_alarm, 1), SENSOR_ATTR_RO(in2_min_alarm, in_min_alarm, 2), SENSOR_ATTR_RO(in3_min_alarm, in_min_alarm, 3), SENSOR_ATTR_RO(in4_min_alarm, in_min_alarm, 4), SENSOR_ATTR_RO(in5_min_alarm, in_min_alarm, 5), SENSOR_ATTR_RO(in6_min_alarm, in_min_alarm, 6), SENSOR_ATTR_RO(in7_min_alarm, in_min_alarm, 7), SENSOR_ATTR_RO(in8_min_alarm, in_min_alarm, 8), SENSOR_ATTR_RO(in9_min_alarm, in_min_alarm, 9), SENSOR_ATTR_RO(in10_min_alarm, in_min_alarm, 10), }; static ssize_t in_max_alarm_show(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_max_alarm[] = { SENSOR_ATTR_RO(in0_max_alarm, in_max_alarm, 0), SENSOR_ATTR_RO(in1_max_alarm, in_max_alarm, 1), SENSOR_ATTR_RO(in2_max_alarm, in_max_alarm, 2), SENSOR_ATTR_RO(in3_max_alarm, in_max_alarm, 3), SENSOR_ATTR_RO(in4_max_alarm, in_max_alarm, 4), SENSOR_ATTR_RO(in5_max_alarm, in_max_alarm, 5), SENSOR_ATTR_RO(in6_max_alarm, in_max_alarm, 6), SENSOR_ATTR_RO(in7_max_alarm, in_max_alarm, 7), SENSOR_ATTR_RO(in8_max_alarm, in_max_alarm, 8), SENSOR_ATTR_RO(in9_max_alarm, in_max_alarm, 9), SENSOR_ATTR_RO(in10_max_alarm, in_max_alarm, 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 cpu0_vid_show(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_RO(cpu0_vid); static ssize_t vrm_show(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 vrm_store(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; if (val > 255) return -EINVAL; data->vrm = val; return count; } static DEVICE_ATTR_RW(vrm); static ssize_t alarms_in_show(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_RO(alarms_in); 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 therm_input_show(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)); } /* * 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_RO(temp4_input, therm_input, 0 + 11), SENSOR_ATTR_RO(temp5_input, therm_input, 1 + 11), SENSOR_ATTR_RO(temp6_input, therm_input, 2 + 11), }; static ssize_t therm_status_show(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 struct sensor_device_attribute therm_status[] = { SENSOR_ATTR_RO(temp4_status, therm_status, 0 + 11), SENSOR_ATTR_RO(temp5_status, therm_status, 1 + 11), SENSOR_ATTR_RO(temp6_status, therm_status, 2 + 11), }; static ssize_t therm_min_show(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 therm_min_store(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 struct sensor_device_attribute therm_min[] = { SENSOR_ATTR_RW(temp4_min, therm_min, 0 + 11), SENSOR_ATTR_RW(temp5_min, therm_min, 1 + 11), SENSOR_ATTR_RW(temp6_min, therm_min, 2 + 11), }; static ssize_t therm_max_show(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 therm_max_store(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 struct sensor_device_attribute therm_max[] = { SENSOR_ATTR_RW(temp4_max, therm_max, 0 + 11), SENSOR_ATTR_RW(temp5_max, therm_max, 1 + 11), SENSOR_ATTR_RW(temp6_max, therm_max, 2 + 11), }; static ssize_t therm_crit_show(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 therm_crit_store(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; } static struct sensor_device_attribute therm_crit[] = { SENSOR_ATTR_RW(temp4_crit, therm_crit, 0 + 11), SENSOR_ATTR_RW(temp5_crit, therm_crit, 1 + 11), SENSOR_ATTR_RW(temp6_crit, 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 therm_min_alarm_show(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 struct sensor_device_attribute therm_min_alarm[] = { SENSOR_ATTR_RO(temp4_min_alarm, therm_min_alarm, 0 + 11), SENSOR_ATTR_RO(temp5_min_alarm, therm_min_alarm, 1 + 11), SENSOR_ATTR_RO(temp6_min_alarm, therm_min_alarm, 2 + 11), }; static ssize_t therm_max_alarm_show(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 therm_max_alarm[] = { SENSOR_ATTR_RO(temp4_max_alarm, therm_max_alarm, 0 + 11), SENSOR_ATTR_RO(temp5_max_alarm, therm_max_alarm, 1 + 11), SENSOR_ATTR_RO(temp6_max_alarm, therm_max_alarm, 2 + 11), }; static ssize_t therm_crit_alarm_show(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_crit_alarm[] = { SENSOR_ATTR_RO(temp4_crit_alarm, therm_crit_alarm, 0 + 11), SENSOR_ATTR_RO(temp5_crit_alarm, therm_crit_alarm, 1 + 11), SENSOR_ATTR_RO(temp6_crit_alarm, therm_crit_alarm, 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 temp_input_show(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 struct sensor_device_attribute temp_input[] = { SENSOR_ATTR_RO(temp1_input, temp_input, 0), SENSOR_ATTR_RO(temp2_input, temp_input, 1), SENSOR_ATTR_RO(temp3_input, temp_input, 2), }; static ssize_t temp_status_show(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 struct sensor_device_attribute temp_status[] = { SENSOR_ATTR_RO(temp1_status, temp_status, 0), SENSOR_ATTR_RO(temp2_status, temp_status, 1), SENSOR_ATTR_RO(temp3_status, temp_status, 2), }; static ssize_t temp_min_show(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 temp_min_store(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 struct sensor_device_attribute temp_min[] = { SENSOR_ATTR_RW(temp1_min, temp_min, 0), SENSOR_ATTR_RW(temp2_min, temp_min, 1), SENSOR_ATTR_RW(temp3_min, temp_min, 2), }; static ssize_t temp_max_show(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 temp_max_store(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 struct sensor_device_attribute temp_max[] = { SENSOR_ATTR_RW(temp1_max, temp_max, 0), SENSOR_ATTR_RW(temp2_max, temp_max, 1), SENSOR_ATTR_RW(temp3_max, temp_max, 2), }; static ssize_t temp_crit_show(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 temp_crit_store(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_crit[] = { SENSOR_ATTR_RW(temp1_crit, temp_crit, 0), SENSOR_ATTR_RW(temp2_crit, temp_crit, 1), SENSOR_ATTR_RW(temp3_crit, temp_crit, 2), }; /* * temp_min/max_alarm_show() 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 temp_min_alarm_show(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 struct sensor_device_attribute temp_min_alarm[] = { SENSOR_ATTR_RO(temp1_min_alarm, temp_min_alarm, 0), SENSOR_ATTR_RO(temp2_min_alarm, temp_min_alarm, 1), SENSOR_ATTR_RO(temp3_min_alarm, temp_min_alarm, 2), }; static ssize_t temp_max_alarm_show(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 struct sensor_device_attribute temp_max_alarm[] = { SENSOR_ATTR_RO(temp1_max_alarm, temp_max_alarm, 0), SENSOR_ATTR_RO(temp2_max_alarm, temp_max_alarm, 1), SENSOR_ATTR_RO(temp3_max_alarm, temp_max_alarm, 2), }; static ssize_t temp_crit_alarm_show(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_crit_alarm[] = { SENSOR_ATTR_RO(temp1_crit_alarm, temp_crit_alarm, 0), SENSOR_ATTR_RO(temp2_crit_alarm, temp_crit_alarm, 1), SENSOR_ATTR_RO(temp3_crit_alarm, temp_crit_alarm, 2), }; #define TEMP_FAULT 0x40 /* open diode */ static ssize_t temp_fault_show(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_RO(temp1_fault, temp_fault, 0), SENSOR_ATTR_RO(temp2_fault, temp_fault, 1), SENSOR_ATTR_RO(temp3_fault, temp_fault, 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 alarms_temp_show(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_RO(alarms_temp); static ssize_t fan_input_show(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 struct sensor_device_attribute fan_input[] = { SENSOR_ATTR_RO(fan1_input, fan_input, 0), SENSOR_ATTR_RO(fan2_input, fan_input, 1), SENSOR_ATTR_RO(fan3_input, fan_input, 2), }; static ssize_t fan_status_show(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 struct sensor_device_attribute fan_status[] = { SENSOR_ATTR_RO(fan1_status, fan_status, 0), SENSOR_ATTR_RO(fan2_status, fan_status, 1), SENSOR_ATTR_RO(fan3_status, fan_status, 2), }; static ssize_t fan_div_show(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 struct sensor_device_attribute fan_div[] = { SENSOR_ATTR_RO(fan1_div, fan_div, 0), SENSOR_ATTR_RO(fan2_div, fan_div, 1), SENSOR_ATTR_RO(fan3_div, fan_div, 2), }; static ssize_t fan_min_show(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 fan_min_store(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_min[] = { SENSOR_ATTR_RW(fan1_min, fan_min, 0), SENSOR_ATTR_RW(fan2_min, fan_min, 1), SENSOR_ATTR_RW(fan3_min, 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 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 pwm_show(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 pwm_store(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_RW(pwm1, pwm, 0), SENSOR_ATTR_RW(pwm2, pwm, 1), SENSOR_ATTR_RW(pwm3, pwm, 2), }; static ssize_t name_show(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_RO(name); 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 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 int pc87360_probe(struct platform_device *pdev) { int i; struct pc87360_data *data; int err = 0; const char *name; int use_thermistors = 0; struct device *dev = &pdev->dev; data = devm_kzalloc(dev, sizeof(struct pc87360_data), GFP_KERNEL); if (!data) return -ENOMEM; switch (devid) { default: name = "pc87360"; data->fannr = 2; break; case 0xe8: name = "pc87363"; data->fannr = 2; 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; 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] && !devm_request_region(dev, extra_isa[i], PC87360_EXTENT, DRIVER_NAME)) { dev_err(dev, "Region 0x%x-0x%x already in use!\n", extra_isa[i], extra_isa[i]+PC87360_EXTENT-1); return -EBUSY; } } /* 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 error; } if (data->innr == 14) { err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group); if (err) goto error; } /* 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 error; } err = device_create_file(dev, &dev_attr_alarms_temp); if (err) goto error; } 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 error; } if (FAN_CONFIG_CONTROL(data->fan_conf, i)) { err = device_create_file(dev, &pwm[i].dev_attr); if (err) goto error; } } err = device_create_file(dev, &dev_attr_name); if (err) goto error; data->hwmon_dev = hwmon_device_register(dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); goto error; } return 0; error: pc87360_remove_files(dev); return err; } static void pc87360_remove(struct platform_device *pdev) { struct pc87360_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); pc87360_remove_files(&pdev->dev); } /* * Driver data */ static struct platform_driver pc87360_driver = { .driver = { .name = DRIVER_NAME, }, .probe = pc87360_probe, .remove_new = pc87360_remove, }; /* * 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 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 <jdelvare@suse.de>"); MODULE_DESCRIPTION("PC8736x hardware monitor"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRIVER_NAME); module_init(pc87360_init); module_exit(pc87360_exit);
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