diff options
Diffstat (limited to 'drivers/hwmon/fschmd.c')
| -rw-r--r-- | drivers/hwmon/fschmd.c | 875 |
1 files changed, 699 insertions, 176 deletions
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c index 96717036893..d58abdc5a4c 100644 --- a/drivers/hwmon/fschmd.c +++ b/drivers/hwmon/fschmd.c @@ -1,6 +1,7 @@ -/* fschmd.c +/* + * fschmd.c * - * Copyright (C) 2007 Hans de Goede <j.w.r.degoede@hhs.nl> + * Copyright (C) 2007 - 2009 Hans de Goede <hdegoede@redhat.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 @@ -19,7 +20,7 @@ /* * Merged Fujitsu Siemens hwmon driver, supporting the Poseidon, Hermes, - * Scylla, Heracles and Heimdall chips + * Scylla, Heracles, Heimdall, Hades and Syleus chips * * Based on the original 2.4 fscscy, 2.6 fscpos, 2.6 fscher and 2.6 * (candidate) fschmd drivers: @@ -42,12 +43,22 @@ #include <linux/mutex.h> #include <linux/sysfs.h> #include <linux/dmi.h> +#include <linux/fs.h> +#include <linux/watchdog.h> +#include <linux/miscdevice.h> +#include <linux/uaccess.h> +#include <linux/kref.h> /* Addresses to scan */ static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); +static bool nowayout = WATCHDOG_NOWAYOUT; +module_param(nowayout, bool, 0); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +enum chips { fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl }; /* * The FSCHMD registers and other defines @@ -63,109 +74,154 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd); #define FSCHMD_REG_EVENT_STATE 0x04 #define FSCHMD_REG_CONTROL 0x05 -#define FSCHMD_CONTROL_ALERT_LED_MASK 0x01 +#define FSCHMD_CONTROL_ALERT_LED 0x01 + +/* watchdog */ +static const u8 FSCHMD_REG_WDOG_CONTROL[7] = { + 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 }; +static const u8 FSCHMD_REG_WDOG_STATE[7] = { + 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 }; +static const u8 FSCHMD_REG_WDOG_PRESET[7] = { + 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a }; -/* watchdog (support to be implemented) */ -#define FSCHMD_REG_WDOG_PRESET 0x28 -#define FSCHMD_REG_WDOG_STATE 0x23 -#define FSCHMD_REG_WDOG_CONTROL 0x21 +#define FSCHMD_WDOG_CONTROL_TRIGGER 0x10 +#define FSCHMD_WDOG_CONTROL_STARTED 0x10 /* the same as trigger */ +#define FSCHMD_WDOG_CONTROL_STOP 0x20 +#define FSCHMD_WDOG_CONTROL_RESOLUTION 0x40 + +#define FSCHMD_WDOG_STATE_CARDRESET 0x02 /* voltages, weird order is to keep the same order as the old drivers */ -static const u8 FSCHMD_REG_VOLT[3] = { 0x45, 0x42, 0x48 }; +static const u8 FSCHMD_REG_VOLT[7][6] = { + { 0x45, 0x42, 0x48 }, /* pos */ + { 0x45, 0x42, 0x48 }, /* her */ + { 0x45, 0x42, 0x48 }, /* scy */ + { 0x45, 0x42, 0x48 }, /* hrc */ + { 0x45, 0x42, 0x48 }, /* hmd */ + { 0x21, 0x20, 0x22 }, /* hds */ + { 0x21, 0x20, 0x22, 0x23, 0x24, 0x25 }, /* syl */ +}; -/* minimum pwm at which the fan is driven (pwm can by increased depending on - the temp. Notice that for the scy some fans share there minimum speed. - Also notice that with the scy the sensor order is different then with the - other chips, this order was in the 2.4 driver and kept for consistency. */ -static const u8 FSCHMD_REG_FAN_MIN[5][6] = { +static const int FSCHMD_NO_VOLT_SENSORS[7] = { 3, 3, 3, 3, 3, 3, 6 }; + +/* + * minimum pwm at which the fan is driven (pwm can by increased depending on + * the temp. Notice that for the scy some fans share there minimum speed. + * Also notice that with the scy the sensor order is different than with the + * other chips, this order was in the 2.4 driver and kept for consistency. + */ +static const u8 FSCHMD_REG_FAN_MIN[7][7] = { { 0x55, 0x65 }, /* pos */ { 0x55, 0x65, 0xb5 }, /* her */ { 0x65, 0x65, 0x55, 0xa5, 0x55, 0xa5 }, /* scy */ { 0x55, 0x65, 0xa5, 0xb5 }, /* hrc */ { 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hmd */ + { 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hds */ + { 0x54, 0x64, 0x74, 0x84, 0x94, 0xa4, 0xb4 }, /* syl */ }; /* actual fan speed */ -static const u8 FSCHMD_REG_FAN_ACT[5][6] = { +static const u8 FSCHMD_REG_FAN_ACT[7][7] = { { 0x0e, 0x6b, 0xab }, /* pos */ { 0x0e, 0x6b, 0xbb }, /* her */ { 0x6b, 0x6c, 0x0e, 0xab, 0x5c, 0xbb }, /* scy */ { 0x0e, 0x6b, 0xab, 0xbb }, /* hrc */ { 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hmd */ + { 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hds */ + { 0x57, 0x67, 0x77, 0x87, 0x97, 0xa7, 0xb7 }, /* syl */ }; /* fan status registers */ -static const u8 FSCHMD_REG_FAN_STATE[5][6] = { +static const u8 FSCHMD_REG_FAN_STATE[7][7] = { { 0x0d, 0x62, 0xa2 }, /* pos */ { 0x0d, 0x62, 0xb2 }, /* her */ { 0x62, 0x61, 0x0d, 0xa2, 0x52, 0xb2 }, /* scy */ { 0x0d, 0x62, 0xa2, 0xb2 }, /* hrc */ { 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hmd */ + { 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hds */ + { 0x50, 0x60, 0x70, 0x80, 0x90, 0xa0, 0xb0 }, /* syl */ }; /* fan ripple / divider registers */ -static const u8 FSCHMD_REG_FAN_RIPPLE[5][6] = { +static const u8 FSCHMD_REG_FAN_RIPPLE[7][7] = { { 0x0f, 0x6f, 0xaf }, /* pos */ { 0x0f, 0x6f, 0xbf }, /* her */ { 0x6f, 0x6f, 0x0f, 0xaf, 0x0f, 0xbf }, /* scy */ { 0x0f, 0x6f, 0xaf, 0xbf }, /* hrc */ { 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hmd */ + { 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hds */ + { 0x56, 0x66, 0x76, 0x86, 0x96, 0xa6, 0xb6 }, /* syl */ }; -static const int FSCHMD_NO_FAN_SENSORS[5] = { 3, 3, 6, 4, 5 }; +static const int FSCHMD_NO_FAN_SENSORS[7] = { 3, 3, 6, 4, 5, 5, 7 }; /* Fan status register bitmasks */ -#define FSCHMD_FAN_ALARM_MASK 0x04 /* called fault by FSC! */ -#define FSCHMD_FAN_NOT_PRESENT_MASK 0x08 /* not documented */ +#define FSCHMD_FAN_ALARM 0x04 /* called fault by FSC! */ +#define FSCHMD_FAN_NOT_PRESENT 0x08 +#define FSCHMD_FAN_DISABLED 0x80 /* actual temperature registers */ -static const u8 FSCHMD_REG_TEMP_ACT[5][5] = { +static const u8 FSCHMD_REG_TEMP_ACT[7][11] = { { 0x64, 0x32, 0x35 }, /* pos */ { 0x64, 0x32, 0x35 }, /* her */ { 0x64, 0xD0, 0x32, 0x35 }, /* scy */ { 0x64, 0x32, 0x35 }, /* hrc */ { 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hmd */ + { 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hds */ + { 0x58, 0x68, 0x78, 0x88, 0x98, 0xa8, /* syl */ + 0xb8, 0xc8, 0xd8, 0xe8, 0xf8 }, }; /* temperature state registers */ -static const u8 FSCHMD_REG_TEMP_STATE[5][5] = { +static const u8 FSCHMD_REG_TEMP_STATE[7][11] = { { 0x71, 0x81, 0x91 }, /* pos */ { 0x71, 0x81, 0x91 }, /* her */ { 0x71, 0xd1, 0x81, 0x91 }, /* scy */ { 0x71, 0x81, 0x91 }, /* hrc */ { 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hmd */ + { 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hds */ + { 0x59, 0x69, 0x79, 0x89, 0x99, 0xa9, /* syl */ + 0xb9, 0xc9, 0xd9, 0xe9, 0xf9 }, }; -/* temperature high limit registers, FSC does not document these. Proven to be - there with field testing on the fscher and fschrc, already supported / used - in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers - at these addresses, but doesn't want to confirm they are the same as with - the fscher?? */ -static const u8 FSCHMD_REG_TEMP_LIMIT[5][5] = { +/* + * temperature high limit registers, FSC does not document these. Proven to be + * there with field testing on the fscher and fschrc, already supported / used + * in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers + * at these addresses, but doesn't want to confirm they are the same as with + * the fscher?? + */ +static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = { { 0, 0, 0 }, /* pos */ { 0x76, 0x86, 0x96 }, /* her */ { 0x76, 0xd6, 0x86, 0x96 }, /* scy */ { 0x76, 0x86, 0x96 }, /* hrc */ { 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hmd */ + { 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hds */ + { 0x5a, 0x6a, 0x7a, 0x8a, 0x9a, 0xaa, /* syl */ + 0xba, 0xca, 0xda, 0xea, 0xfa }, }; -/* These were found through experimenting with an fscher, currently they are - not used, but we keep them around for future reference. -static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 }; -static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 }; */ +/* + * These were found through experimenting with an fscher, currently they are + * not used, but we keep them around for future reference. + * On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc), + * AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence + * the fan speed. + * static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 }; + * static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 }; + */ -static const int FSCHMD_NO_TEMP_SENSORS[5] = { 3, 3, 4, 3, 5 }; +static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 }; /* temp status register bitmasks */ -#define FSCHMD_TEMP_WORKING_MASK 0x01 -#define FSCHMD_TEMP_ALERT_MASK 0x02 +#define FSCHMD_TEMP_WORKING 0x01 +#define FSCHMD_TEMP_ALERT 0x02 +#define FSCHMD_TEMP_DISABLED 0x80 /* there only really is an alarm if the sensor is working and alert == 1 */ #define FSCHMD_TEMP_ALARM_MASK \ - (FSCHMD_TEMP_WORKING_MASK | FSCHMD_TEMP_ALERT_MASK) - -/* our driver name */ -#define FSCHMD_NAME "fschmd" + (FSCHMD_TEMP_WORKING | FSCHMD_TEMP_ALERT) /* * Functions declarations @@ -173,7 +229,7 @@ static const int FSCHMD_NO_TEMP_SENSORS[5] = { 3, 3, 4, 3, 5 }; static int fschmd_probe(struct i2c_client *client, const struct i2c_device_id *id); -static int fschmd_detect(struct i2c_client *client, int kind, +static int fschmd_detect(struct i2c_client *client, struct i2c_board_info *info); static int fschmd_remove(struct i2c_client *client); static struct fschmd_data *fschmd_update_device(struct device *dev); @@ -188,6 +244,8 @@ static const struct i2c_device_id fschmd_id[] = { { "fscscy", fscscy }, { "fschrc", fschrc }, { "fschmd", fschmd }, + { "fschds", fschds }, + { "fscsyl", fscsyl }, { } }; MODULE_DEVICE_TABLE(i2c, fschmd_id); @@ -195,13 +253,13 @@ MODULE_DEVICE_TABLE(i2c, fschmd_id); static struct i2c_driver fschmd_driver = { .class = I2C_CLASS_HWMON, .driver = { - .name = FSCHMD_NAME, + .name = "fschmd", }, .probe = fschmd_probe, .remove = fschmd_remove, .id_table = fschmd_id, .detect = fschmd_detect, - .address_data = &addr_data, + .address_list = normal_i2c, }; /* @@ -209,30 +267,65 @@ static struct i2c_driver fschmd_driver = { */ struct fschmd_data { + struct i2c_client *client; struct device *hwmon_dev; struct mutex update_lock; - int kind; + struct mutex watchdog_lock; + struct list_head list; /* member of the watchdog_data_list */ + struct kref kref; + struct miscdevice watchdog_miscdev; + enum chips kind; + unsigned long watchdog_is_open; + char watchdog_expect_close; + char watchdog_name[10]; /* must be unique to avoid sysfs conflict */ char valid; /* zero until following fields are valid */ unsigned long last_updated; /* in jiffies */ /* register values */ + u8 revision; /* chip revision */ u8 global_control; /* global control register */ - u8 volt[3]; /* 12, 5, battery voltage */ - u8 temp_act[5]; /* temperature */ - u8 temp_status[5]; /* status of sensor */ - u8 temp_max[5]; /* high temp limit, notice: undocumented! */ - u8 fan_act[6]; /* fans revolutions per second */ - u8 fan_status[6]; /* fan status */ - u8 fan_min[6]; /* fan min value for rps */ - u8 fan_ripple[6]; /* divider for rps */ + u8 watchdog_control; /* watchdog control register */ + u8 watchdog_state; /* watchdog status register */ + u8 watchdog_preset; /* watchdog counter preset on trigger val */ + u8 volt[6]; /* voltage */ + u8 temp_act[11]; /* temperature */ + u8 temp_status[11]; /* status of sensor */ + u8 temp_max[11]; /* high temp limit, notice: undocumented! */ + u8 fan_act[7]; /* fans revolutions per second */ + u8 fan_status[7]; /* fan status */ + u8 fan_min[7]; /* fan min value for rps */ + u8 fan_ripple[7]; /* divider for rps */ }; -/* Global variables to hold information read from special DMI tables, which are - available on FSC machines with an fscher or later chip. */ -static int dmi_mult[3] = { 490, 200, 100 }; -static int dmi_offset[3] = { 0, 0, 0 }; +/* + * Global variables to hold information read from special DMI tables, which are + * available on FSC machines with an fscher or later chip. There is no need to + * protect these with a lock as they are only modified from our attach function + * which always gets called with the i2c-core lock held and never accessed + * before the attach function is done with them. + */ +static int dmi_mult[6] = { 490, 200, 100, 100, 200, 100 }; +static int dmi_offset[6] = { 0, 0, 0, 0, 0, 0 }; static int dmi_vref = -1; +/* + * Somewhat ugly :( global data pointer list with all fschmd devices, so that + * we can find our device data as when using misc_register there is no other + * method to get to ones device data from the open fop. + */ +static LIST_HEAD(watchdog_data_list); +/* Note this lock not only protect list access, but also data.kref access */ +static DEFINE_MUTEX(watchdog_data_mutex); + +/* + * Release our data struct when we're detached from the i2c client *and* all + * references to our watchdog device are released + */ +static void fschmd_release_resources(struct kref *ref) +{ + struct fschmd_data *data = container_of(ref, struct fschmd_data, kref); + kfree(data); +} /* * Sysfs attr show / store functions @@ -245,8 +338,7 @@ static ssize_t show_in_value(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = fschmd_update_device(dev); - /* fscher / fschrc - 1 as data->kind is an array index, not a chips */ - if (data->kind == (fscher - 1) || data->kind >= (fschrc - 1)) + if (data->kind == fscher || data->kind >= fschrc) return sprintf(buf, "%d\n", (data->volt[index] * dmi_vref * dmi_mult[index]) / 255 + dmi_offset[index]); else @@ -280,9 +372,14 @@ static ssize_t store_temp_max(struct device *dev, struct device_attribute { int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = dev_get_drvdata(dev); - long v = simple_strtol(buf, NULL, 10) / 1000; + long v; + int err; + + err = kstrtol(buf, 10, &v); + if (err) + return err; - v = SENSORS_LIMIT(v, -128, 127) + 128; + v = clamp_val(v / 1000, -128, 127) + 128; mutex_lock(&data->update_lock); i2c_smbus_write_byte_data(to_i2c_client(dev), @@ -300,7 +397,7 @@ static ssize_t show_temp_fault(struct device *dev, struct fschmd_data *data = fschmd_update_device(dev); /* bit 0 set means sensor working ok, so no fault! */ - if (data->temp_status[index] & FSCHMD_TEMP_WORKING_MASK) + if (data->temp_status[index] & FSCHMD_TEMP_WORKING) return sprintf(buf, "0\n"); else return sprintf(buf, "1\n"); @@ -348,15 +445,27 @@ static ssize_t store_fan_div(struct device *dev, struct device_attribute int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = dev_get_drvdata(dev); /* supported values: 2, 4, 8 */ - unsigned long v = simple_strtoul(buf, NULL, 10); + unsigned long v; + int err; + + err = kstrtoul(buf, 10, &v); + if (err) + return err; switch (v) { - case 2: v = 1; break; - case 4: v = 2; break; - case 8: v = 3; break; + case 2: + v = 1; + break; + case 4: + v = 2; + break; + case 8: + v = 3; + break; default: - dev_err(dev, "fan_div value %lu not supported. " - "Choose one of 2, 4 or 8!\n", v); + dev_err(dev, + "fan_div value %lu not supported. Choose one of 2, 4 or 8!\n", + v); return -EINVAL; } @@ -385,7 +494,7 @@ static ssize_t show_fan_alarm(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = fschmd_update_device(dev); - if (data->fan_status[index] & FSCHMD_FAN_ALARM_MASK) + if (data->fan_status[index] & FSCHMD_FAN_ALARM) return sprintf(buf, "1\n"); else return sprintf(buf, "0\n"); @@ -397,7 +506,7 @@ static ssize_t show_fan_fault(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = fschmd_update_device(dev); - if (data->fan_status[index] & FSCHMD_FAN_NOT_PRESENT_MASK) + if (data->fan_status[index] & FSCHMD_FAN_NOT_PRESENT) return sprintf(buf, "1\n"); else return sprintf(buf, "0\n"); @@ -408,10 +517,11 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev, struct device_attribute *devattr, char *buf) { int index = to_sensor_dev_attr(devattr)->index; - int val = fschmd_update_device(dev)->fan_min[index]; + struct fschmd_data *data = fschmd_update_device(dev); + int val = data->fan_min[index]; - /* 0 = allow turning off, 1-255 = 50-100% */ - if (val) + /* 0 = allow turning off (except on the syl), 1-255 = 50-100% */ + if (val || data->kind == fscsyl) val = val / 2 + 128; return sprintf(buf, "%d\n", val); @@ -422,11 +532,16 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev, { int index = to_sensor_dev_attr(devattr)->index; struct fschmd_data *data = dev_get_drvdata(dev); - unsigned long v = simple_strtoul(buf, NULL, 10); + unsigned long v; + int err; - /* register: 0 = allow turning off, 1-255 = 50-100% */ - if (v) { - v = SENSORS_LIMIT(v, 128, 255); + err = kstrtoul(buf, 10, &v); + if (err) + return err; + + /* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */ + if (v || data->kind == fscsyl) { + v = clamp_val(v, 128, 255); v = (v - 128) * 2 + 1; } @@ -442,14 +557,16 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev, } -/* The FSC hwmon family has the ability to force an attached alert led to flash - from software, we export this as an alert_led sysfs attr */ +/* + * The FSC hwmon family has the ability to force an attached alert led to flash + * from software, we export this as an alert_led sysfs attr + */ static ssize_t show_alert_led(struct device *dev, struct device_attribute *devattr, char *buf) { struct fschmd_data *data = fschmd_update_device(dev); - if (data->global_control & FSCHMD_CONTROL_ALERT_LED_MASK) + if (data->global_control & FSCHMD_CONTROL_ALERT_LED) return sprintf(buf, "1\n"); else return sprintf(buf, "0\n"); @@ -460,16 +577,21 @@ static ssize_t store_alert_led(struct device *dev, { u8 reg; struct fschmd_data *data = dev_get_drvdata(dev); - unsigned long v = simple_strtoul(buf, NULL, 10); + unsigned long v; + int err; + + err = kstrtoul(buf, 10, &v); + if (err) + return err; mutex_lock(&data->update_lock); reg = i2c_smbus_read_byte_data(to_i2c_client(dev), FSCHMD_REG_CONTROL); if (v) - reg |= FSCHMD_CONTROL_ALERT_LED_MASK; + reg |= FSCHMD_CONTROL_ALERT_LED; else - reg &= ~FSCHMD_CONTROL_ALERT_LED_MASK; + reg &= ~FSCHMD_CONTROL_ALERT_LED; i2c_smbus_write_byte_data(to_i2c_client(dev), FSCHMD_REG_CONTROL, reg); @@ -480,11 +602,15 @@ static ssize_t store_alert_led(struct device *dev, return count; } +static DEVICE_ATTR(alert_led, 0644, show_alert_led, store_alert_led); + static struct sensor_device_attribute fschmd_attr[] = { SENSOR_ATTR(in0_input, 0444, show_in_value, NULL, 0), SENSOR_ATTR(in1_input, 0444, show_in_value, NULL, 1), SENSOR_ATTR(in2_input, 0444, show_in_value, NULL, 2), - SENSOR_ATTR(alert_led, 0644, show_alert_led, store_alert_led, 0), + SENSOR_ATTR(in3_input, 0444, show_in_value, NULL, 3), + SENSOR_ATTR(in4_input, 0444, show_in_value, NULL, 4), + SENSOR_ATTR(in5_input, 0444, show_in_value, NULL, 5), }; static struct sensor_device_attribute fschmd_temp_attr[] = { @@ -508,6 +634,30 @@ static struct sensor_device_attribute fschmd_temp_attr[] = { SENSOR_ATTR(temp5_max, 0644, show_temp_max, store_temp_max, 4), SENSOR_ATTR(temp5_fault, 0444, show_temp_fault, NULL, 4), SENSOR_ATTR(temp5_alarm, 0444, show_temp_alarm, NULL, 4), + SENSOR_ATTR(temp6_input, 0444, show_temp_value, NULL, 5), + SENSOR_ATTR(temp6_max, 0644, show_temp_max, store_temp_max, 5), + SENSOR_ATTR(temp6_fault, 0444, show_temp_fault, NULL, 5), + SENSOR_ATTR(temp6_alarm, 0444, show_temp_alarm, NULL, 5), + SENSOR_ATTR(temp7_input, 0444, show_temp_value, NULL, 6), + SENSOR_ATTR(temp7_max, 0644, show_temp_max, store_temp_max, 6), + SENSOR_ATTR(temp7_fault, 0444, show_temp_fault, NULL, 6), + SENSOR_ATTR(temp7_alarm, 0444, show_temp_alarm, NULL, 6), + SENSOR_ATTR(temp8_input, 0444, show_temp_value, NULL, 7), + SENSOR_ATTR(temp8_max, 0644, show_temp_max, store_temp_max, 7), + SENSOR_ATTR(temp8_fault, 0444, show_temp_fault, NULL, 7), + SENSOR_ATTR(temp8_alarm, 0444, show_temp_alarm, NULL, 7), + SENSOR_ATTR(temp9_input, 0444, show_temp_value, NULL, 8), + SENSOR_ATTR(temp9_max, 0644, show_temp_max, store_temp_max, 8), + SENSOR_ATTR(temp9_fault, 0444, show_temp_fault, NULL, 8), + SENSOR_ATTR(temp9_alarm, 0444, show_temp_alarm, NULL, 8), + SENSOR_ATTR(temp10_input, 0444, show_temp_value, NULL, 9), + SENSOR_ATTR(temp10_max, 0644, show_temp_max, store_temp_max, 9), + SENSOR_ATTR(temp10_fault, 0444, show_temp_fault, NULL, 9), + SENSOR_ATTR(temp10_alarm, 0444, show_temp_alarm, NULL, 9), + SENSOR_ATTR(temp11_input, 0444, show_temp_value, NULL, 10), + SENSOR_ATTR(temp11_max, 0644, show_temp_max, store_temp_max, 10), + SENSOR_ATTR(temp11_fault, 0444, show_temp_fault, NULL, 10), + SENSOR_ATTR(temp11_alarm, 0444, show_temp_alarm, NULL, 10), }; static struct sensor_device_attribute fschmd_fan_attr[] = { @@ -547,37 +697,318 @@ static struct sensor_device_attribute fschmd_fan_attr[] = { SENSOR_ATTR(fan6_fault, 0444, show_fan_fault, NULL, 5), SENSOR_ATTR(pwm6_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm, store_pwm_auto_point1_pwm, 5), + SENSOR_ATTR(fan7_input, 0444, show_fan_value, NULL, 6), + SENSOR_ATTR(fan7_div, 0644, show_fan_div, store_fan_div, 6), + SENSOR_ATTR(fan7_alarm, 0444, show_fan_alarm, NULL, 6), + SENSOR_ATTR(fan7_fault, 0444, show_fan_fault, NULL, 6), + SENSOR_ATTR(pwm7_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm, + store_pwm_auto_point1_pwm, 6), }; /* - * Real code + * Watchdog routines */ -/* DMI decode routine to read voltage scaling factors from special DMI tables, - which are available on FSC machines with an fscher or later chip. */ -static void fschmd_dmi_decode(const struct dmi_header *header) +static int watchdog_set_timeout(struct fschmd_data *data, int timeout) +{ + int ret, resolution; + int kind = data->kind + 1; /* 0-x array index -> 1-x module param */ + + /* 2 second or 60 second resolution? */ + if (timeout <= 510 || kind == fscpos || kind == fscscy) + resolution = 2; + else + resolution = 60; + + if (timeout < resolution || timeout > (resolution * 255)) + return -EINVAL; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + if (resolution == 2) + data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_RESOLUTION; + else + data->watchdog_control |= FSCHMD_WDOG_CONTROL_RESOLUTION; + + data->watchdog_preset = DIV_ROUND_UP(timeout, resolution); + + /* Write new timeout value */ + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_PRESET[data->kind], data->watchdog_preset); + /* Write new control register, do not trigger! */ + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], + data->watchdog_control & ~FSCHMD_WDOG_CONTROL_TRIGGER); + + ret = data->watchdog_preset * resolution; + +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_get_timeout(struct fschmd_data *data) +{ + int timeout; + + mutex_lock(&data->watchdog_lock); + if (data->watchdog_control & FSCHMD_WDOG_CONTROL_RESOLUTION) + timeout = data->watchdog_preset * 60; + else + timeout = data->watchdog_preset * 2; + mutex_unlock(&data->watchdog_lock); + + return timeout; +} + +static int watchdog_trigger(struct fschmd_data *data) +{ + int ret = 0; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + data->watchdog_control |= FSCHMD_WDOG_CONTROL_TRIGGER; + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], + data->watchdog_control); +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_stop(struct fschmd_data *data) +{ + int ret = 0; + + mutex_lock(&data->watchdog_lock); + if (!data->client) { + ret = -ENODEV; + goto leave; + } + + data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_STARTED; + /* + * Don't store the stop flag in our watchdog control register copy, as + * its a write only bit (read always returns 0) + */ + i2c_smbus_write_byte_data(data->client, + FSCHMD_REG_WDOG_CONTROL[data->kind], + data->watchdog_control | FSCHMD_WDOG_CONTROL_STOP); +leave: + mutex_unlock(&data->watchdog_lock); + return ret; +} + +static int watchdog_open(struct inode *inode, struct file *filp) +{ + struct fschmd_data *pos, *data = NULL; + int watchdog_is_open; + + /* + * We get called from drivers/char/misc.c with misc_mtx hold, and we + * call misc_register() from fschmd_probe() with watchdog_data_mutex + * hold, as misc_register() takes the misc_mtx lock, this is a possible + * deadlock, so we use mutex_trylock here. + */ + if (!mutex_trylock(&watchdog_data_mutex)) + return -ERESTARTSYS; + list_for_each_entry(pos, &watchdog_data_list, list) { + if (pos->watchdog_miscdev.minor == iminor(inode)) { + data = pos; + break; + } + } + /* Note we can never not have found data, so we don't check for this */ + watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open); + if (!watchdog_is_open) + kref_get(&data->kref); + mutex_unlock(&watchdog_data_mutex); + + if (watchdog_is_open) + return -EBUSY; + + /* Start the watchdog */ + watchdog_trigger(data); + filp->private_data = data; + + return nonseekable_open(inode, filp); +} + +static int watchdog_release(struct inode *inode, struct file *filp) +{ + struct fschmd_data *data = filp->private_data; + + if (data->watchdog_expect_close) { + watchdog_stop(data); + data->watchdog_expect_close = 0; + } else { + watchdog_trigger(data); + dev_crit(&data->client->dev, + "unexpected close, not stopping watchdog!\n"); + } + + clear_bit(0, &data->watchdog_is_open); + + mutex_lock(&watchdog_data_mutex); + kref_put(&data->kref, fschmd_release_resources); + mutex_unlock(&watchdog_data_mutex); + + return 0; +} + +static ssize_t watchdog_write(struct file *filp, const char __user *buf, + size_t count, loff_t *offset) +{ + int ret; + struct fschmd_data *data = filp->private_data; + + if (count) { + if (!nowayout) { + size_t i; + + /* Clear it in case it was set with a previous write */ + data->watchdog_expect_close = 0; + + for (i = 0; i != count; i++) { + char c; + if (get_user(c, buf + i)) + return -EFAULT; + if (c == 'V') + data->watchdog_expect_close = 1; + } + } + ret = watchdog_trigger(data); + if (ret < 0) + return ret; + } + return count; +} + +static long watchdog_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct watchdog_info ident = { + .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | + WDIOF_CARDRESET, + .identity = "FSC watchdog" + }; + int i, ret = 0; + struct fschmd_data *data = filp->private_data; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ident.firmware_version = data->revision; + if (!nowayout) + ident.options |= WDIOF_MAGICCLOSE; + if (copy_to_user((void __user *)arg, &ident, sizeof(ident))) + ret = -EFAULT; + break; + + case WDIOC_GETSTATUS: + ret = put_user(0, (int __user *)arg); + break; + + case WDIOC_GETBOOTSTATUS: + if (data->watchdog_state & FSCHMD_WDOG_STATE_CARDRESET) + ret = put_user(WDIOF_CARDRESET, (int __user *)arg); + else + ret = put_user(0, (int __user *)arg); + break; + + case WDIOC_KEEPALIVE: + ret = watchdog_trigger(data); + break; + + case WDIOC_GETTIMEOUT: + i = watchdog_get_timeout(data); + ret = put_user(i, (int __user *)arg); + break; + + case WDIOC_SETTIMEOUT: + if (get_user(i, (int __user *)arg)) { + ret = -EFAULT; + break; + } + ret = watchdog_set_timeout(data, i); + if (ret > 0) + ret = put_user(ret, (int __user *)arg); + break; + + case WDIOC_SETOPTIONS: + if (get_user(i, (int __user *)arg)) { + ret = -EFAULT; + break; + } + + if (i & WDIOS_DISABLECARD) + ret = watchdog_stop(data); + else if (i & WDIOS_ENABLECARD) + ret = watchdog_trigger(data); + else + ret = -EINVAL; + + break; + default: + ret = -ENOTTY; + } + return ret; +} + +static const struct file_operations watchdog_fops = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .open = watchdog_open, + .release = watchdog_release, + .write = watchdog_write, + .unlocked_ioctl = watchdog_ioctl, +}; + + +/* + * Detect, register, unregister and update device functions + */ + +/* + * DMI decode routine to read voltage scaling factors from special DMI tables, + * which are available on FSC machines with an fscher or later chip. + */ +static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy) { int i, mult[3] = { 0 }, offset[3] = { 0 }, vref = 0, found = 0; - /* dmi code ugliness, we get passed the address of the contents of - a complete DMI record, but in the form of a dmi_header pointer, in - reality this address holds header->length bytes of which the header - are the first 4 bytes */ + /* + * dmi code ugliness, we get passed the address of the contents of + * a complete DMI record, but in the form of a dmi_header pointer, in + * reality this address holds header->length bytes of which the header + * are the first 4 bytes + */ u8 *dmi_data = (u8 *)header; /* We are looking for OEM-specific type 185 */ if (header->type != 185) return; - /* we are looking for what Siemens calls "subtype" 19, the subtype - is stored in byte 5 of the dmi block */ + /* + * we are looking for what Siemens calls "subtype" 19, the subtype + * is stored in byte 5 of the dmi block + */ if (header->length < 5 || dmi_data[4] != 19) return; - /* After the subtype comes 1 unknown byte and then blocks of 5 bytes, - consisting of what Siemens calls an "Entity" number, followed by - 2 16-bit words in LSB first order */ + /* + * After the subtype comes 1 unknown byte and then blocks of 5 bytes, + * consisting of what Siemens calls an "Entity" number, followed by + * 2 16-bit words in LSB first order + */ for (i = 6; (i + 4) < header->length; i += 5) { /* entity 1 - 3: voltage multiplier and offset */ if (dmi_data[i] >= 1 && dmi_data[i] <= 3) { @@ -612,47 +1043,55 @@ static void fschmd_dmi_decode(const struct dmi_header *header) dmi_mult[i] = mult[i] * 10; dmi_offset[i] = offset[i] * 10; } + /* + * According to the docs there should be separate dmi entries + * for the mult's and offsets of in3-5 of the syl, but on + * my test machine these are not present + */ + dmi_mult[3] = dmi_mult[2]; + dmi_mult[4] = dmi_mult[1]; + dmi_mult[5] = dmi_mult[2]; + dmi_offset[3] = dmi_offset[2]; + dmi_offset[4] = dmi_offset[1]; + dmi_offset[5] = dmi_offset[2]; dmi_vref = vref; } } -static int fschmd_detect(struct i2c_client *client, int kind, +static int fschmd_detect(struct i2c_client *client, struct i2c_board_info *info) { + enum chips kind; struct i2c_adapter *adapter = client->adapter; - const char * const client_names[5] = { "fscpos", "fscher", "fscscy", - "fschrc", "fschmd" }; + char id[4]; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; /* Detect & Identify the chip */ - if (kind <= 0) { - char id[4]; - - id[0] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_0); - id[1] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_1); - id[2] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_IDENT_2); - id[3] = '\0'; - - if (!strcmp(id, "PEG")) - kind = fscpos; - else if (!strcmp(id, "HER")) - kind = fscher; - else if (!strcmp(id, "SCY")) - kind = fscscy; - else if (!strcmp(id, "HRC")) - kind = fschrc; - else if (!strcmp(id, "HMD")) - kind = fschmd; - else - return -ENODEV; - } + id[0] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_0); + id[1] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_1); + id[2] = i2c_smbus_read_byte_data(client, FSCHMD_REG_IDENT_2); + id[3] = '\0'; + + if (!strcmp(id, "PEG")) + kind = fscpos; + else if (!strcmp(id, "HER")) + kind = fscher; + else if (!strcmp(id, "SCY")) + kind = fscscy; + else if (!strcmp(id, "HRC")) + kind = fschrc; + else if (!strcmp(id, "HMD")) + kind = fschmd; + else if (!strcmp(id, "HDS")) + kind = fschds; + else if (!strcmp(id, "SYL")) + kind = fscsyl; + else + return -ENODEV; - strlcpy(info->type, client_names[kind - 1], I2C_NAME_SIZE); + strlcpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE); return 0; } @@ -661,9 +1100,9 @@ static int fschmd_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct fschmd_data *data; - u8 revision; - const char * const names[5] = { "Poseidon", "Hermes", "Scylla", - "Heracles", "Heimdall" }; + const char * const names[7] = { "Poseidon", "Hermes", "Scylla", + "Heracles", "Heimdall", "Hades", "Syleus" }; + const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 }; int i, err; enum chips kind = id->driver_data; @@ -673,30 +1112,54 @@ static int fschmd_probe(struct i2c_client *client, i2c_set_clientdata(client, data); mutex_init(&data->update_lock); + mutex_init(&data->watchdog_lock); + INIT_LIST_HEAD(&data->list); + kref_init(&data->kref); + /* + * Store client pointer in our data struct for watchdog usage + * (where the client is found through a data ptr instead of the + * otherway around) + */ + data->client = client; + data->kind = kind; if (kind == fscpos) { - /* The Poseidon has hardwired temp limits, fill these - in for the alarm resetting code */ + /* + * The Poseidon has hardwired temp limits, fill these + * in for the alarm resetting code + */ data->temp_max[0] = 70 + 128; data->temp_max[1] = 50 + 128; data->temp_max[2] = 50 + 128; } /* Read the special DMI table for fscher and newer chips */ - if (kind == fscher || kind >= fschrc) { - dmi_walk(fschmd_dmi_decode); + if ((kind == fscher || kind >= fschrc) && dmi_vref == -1) { + dmi_walk(fschmd_dmi_decode, NULL); if (dmi_vref == -1) { - printk(KERN_WARNING FSCHMD_NAME - ": Couldn't get voltage scaling factors from " + dev_warn(&client->dev, + "Couldn't get voltage scaling factors from " "BIOS DMI table, using builtin defaults\n"); dmi_vref = 33; } } - /* i2c kind goes from 1-5, we want from 0-4 to address arrays */ - data->kind = kind - 1; + /* Read in some never changing registers */ + data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION); + data->global_control = i2c_smbus_read_byte_data(client, + FSCHMD_REG_CONTROL); + data->watchdog_control = i2c_smbus_read_byte_data(client, + FSCHMD_REG_WDOG_CONTROL[data->kind]); + data->watchdog_state = i2c_smbus_read_byte_data(client, + FSCHMD_REG_WDOG_STATE[data->kind]); + data->watchdog_preset = i2c_smbus_read_byte_data(client, + FSCHMD_REG_WDOG_PRESET[data->kind]); + + err = device_create_file(&client->dev, &dev_attr_alert_led); + if (err) + goto exit_detach; - for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++) { + for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++) { err = device_create_file(&client->dev, &fschmd_attr[i].dev_attr); if (err) @@ -709,6 +1172,16 @@ static int fschmd_probe(struct i2c_client *client, show_temp_max) continue; + if (kind == fscsyl) { + if (i % 4 == 0) + data->temp_status[i / 4] = + i2c_smbus_read_byte_data(client, + FSCHMD_REG_TEMP_STATE + [data->kind][i / 4]); + if (data->temp_status[i / 4] & FSCHMD_TEMP_DISABLED) + continue; + } + err = device_create_file(&client->dev, &fschmd_temp_attr[i].dev_attr); if (err) @@ -722,6 +1195,16 @@ static int fschmd_probe(struct i2c_client *client, "pwm3_auto_point1_pwm")) continue; + if (kind == fscsyl) { + if (i % 5 == 0) + data->fan_status[i / 5] = + i2c_smbus_read_byte_data(client, + FSCHMD_REG_FAN_STATE + [data->kind][i / 5]); + if (data->fan_status[i / 5] & FSCHMD_FAN_DISABLED) + continue; + } + err = device_create_file(&client->dev, &fschmd_fan_attr[i].dev_attr); if (err) @@ -735,9 +1218,45 @@ static int fschmd_probe(struct i2c_client *client, goto exit_detach; } - revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION); - printk(KERN_INFO FSCHMD_NAME ": Detected FSC %s chip, revision: %d\n", - names[data->kind], (int) revision); + /* + * We take the data_mutex lock early so that watchdog_open() cannot + * run when misc_register() has completed, but we've not yet added + * our data to the watchdog_data_list (and set the default timeout) + */ + mutex_lock(&watchdog_data_mutex); + for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) { + /* Register our watchdog part */ + snprintf(data->watchdog_name, sizeof(data->watchdog_name), + "watchdog%c", (i == 0) ? '\0' : ('0' + i)); + data->watchdog_miscdev.name = data->watchdog_name; + data->watchdog_miscdev.fops = &watchdog_fops; + data->watchdog_miscdev.minor = watchdog_minors[i]; + err = misc_register(&data->watchdog_miscdev); + if (err == -EBUSY) + continue; + if (err) { + data->watchdog_miscdev.minor = 0; + dev_err(&client->dev, + "Registering watchdog chardev: %d\n", err); + break; + } + + list_add(&data->list, &watchdog_data_list); + watchdog_set_timeout(data, 60); + dev_info(&client->dev, + "Registered watchdog chardev major 10, minor: %d\n", + watchdog_minors[i]); + break; + } + if (i == ARRAY_SIZE(watchdog_minors)) { + data->watchdog_miscdev.minor = 0; + dev_warn(&client->dev, + "Couldn't register watchdog chardev (due to no free minor)\n"); + } + mutex_unlock(&watchdog_data_mutex); + + dev_info(&client->dev, "Detected FSC %s chip, revision: %d\n", + names[data->kind], (int) data->revision); return 0; @@ -751,12 +1270,33 @@ static int fschmd_remove(struct i2c_client *client) struct fschmd_data *data = i2c_get_clientdata(client); int i; - /* Check if registered in case we're called from fschmd_detect - to cleanup after an error */ + /* Unregister the watchdog (if registered) */ + if (data->watchdog_miscdev.minor) { + misc_deregister(&data->watchdog_miscdev); + if (data->watchdog_is_open) { + dev_warn(&client->dev, + "i2c client detached with watchdog open! " + "Stopping watchdog.\n"); + watchdog_stop(data); + } + mutex_lock(&watchdog_data_mutex); + list_del(&data->list); + mutex_unlock(&watchdog_data_mutex); + /* Tell the watchdog code the client is gone */ + mutex_lock(&data->watchdog_lock); + data->client = NULL; + mutex_unlock(&data->watchdog_lock); + } + + /* + * Check if registered in case we're called from fschmd_detect + * to cleanup after an error + */ if (data->hwmon_dev) hwmon_device_unregister(data->hwmon_dev); - for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++) + device_remove_file(&client->dev, &dev_attr_alert_led); + for (i = 0; i < (FSCHMD_NO_VOLT_SENSORS[data->kind]); i++) device_remove_file(&client->dev, &fschmd_attr[i].dev_attr); for (i = 0; i < (FSCHMD_NO_TEMP_SENSORS[data->kind] * 4); i++) device_remove_file(&client->dev, @@ -765,7 +1305,10 @@ static int fschmd_remove(struct i2c_client *client) device_remove_file(&client->dev, &fschmd_fan_attr[i].dev_attr); - kfree(data); + mutex_lock(&watchdog_data_mutex); + kref_put(&data->kref, fschmd_release_resources); + mutex_unlock(&watchdog_data_mutex); + return 0; } @@ -791,14 +1334,16 @@ static struct fschmd_data *fschmd_update_device(struct device *dev) client, FSCHMD_REG_TEMP_LIMIT[data->kind][i]); - /* reset alarm if the alarm condition is gone, - the chip doesn't do this itself */ + /* + * reset alarm if the alarm condition is gone, + * the chip doesn't do this itself + */ if ((data->temp_status[i] & FSCHMD_TEMP_ALARM_MASK) == FSCHMD_TEMP_ALARM_MASK && data->temp_act[i] < data->temp_max[i]) i2c_smbus_write_byte_data(client, FSCHMD_REG_TEMP_STATE[data->kind][i], - FSCHMD_TEMP_ALERT_MASK); + data->temp_status[i]); } for (i = 0; i < FSCHMD_NO_FAN_SENSORS[data->kind]; i++) { @@ -816,27 +1361,16 @@ static struct fschmd_data *fschmd_update_device(struct device *dev) FSCHMD_REG_FAN_MIN[data->kind][i]); /* reset fan status if speed is back to > 0 */ - if ((data->fan_status[i] & FSCHMD_FAN_ALARM_MASK) && + if ((data->fan_status[i] & FSCHMD_FAN_ALARM) && data->fan_act[i]) i2c_smbus_write_byte_data(client, FSCHMD_REG_FAN_STATE[data->kind][i], - FSCHMD_FAN_ALARM_MASK); + data->fan_status[i]); } - for (i = 0; i < 3; i++) + for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++) data->volt[i] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_VOLT[i]); - - data->global_control = i2c_smbus_read_byte_data(client, - FSCHMD_REG_CONTROL); - - /* To be implemented in the future - data->watchdog[0] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_PRESET); - data->watchdog[1] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_STATE); - data->watchdog[2] = i2c_smbus_read_byte_data(client, - FSCHMD_REG_WDOG_CONTROL); */ + FSCHMD_REG_VOLT[data->kind][i]); data->last_updated = jiffies; data->valid = 1; @@ -847,20 +1381,9 @@ static struct fschmd_data *fschmd_update_device(struct device *dev) return data; } -static int __init fschmd_init(void) -{ - return i2c_add_driver(&fschmd_driver); -} - -static void __exit fschmd_exit(void) -{ - i2c_del_driver(&fschmd_driver); -} +module_i2c_driver(fschmd_driver); -MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>"); -MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles and " - "Heimdall driver"); +MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); +MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles, Heimdall, Hades " + "and Syleus driver"); MODULE_LICENSE("GPL"); - -module_init(fschmd_init); -module_exit(fschmd_exit); |