mirror of https://gitee.com/openkylin/linux.git
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (w83795) Check for BEEP pin availability hwmon: (w83795) Clear intrusion alarm immediately hwmon: (w83795) Read the intrusion state properly hwmon: (w83795) Print the actual temperature channels as sources hwmon: (w83795) List all usable temperature sources hwmon: (w83795) Expose fan control method hwmon: (w83795) Fix fan control mode attributes hwmon: (lm95241) Check validity of input values hwmon: Change mail address of Hans J. Koch
This commit is contained in:
Linus Torvalds
commit
477d4e4fbe
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|
@ -4,7 +4,7 @@
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Copyright (C) 2009 T. Mertelj <tomaz.mertelj@guest.arnes.si>
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Based on max6650.c:
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Copyright (C) 2007 Hans J. Koch <hjk@linutronix.de>
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Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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|
|
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|
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@ -20,7 +20,7 @@
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Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
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Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
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Modified for mainline integration by Hans J. Koch <hjk@linutronix.de>
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Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
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Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
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This program is free software; you can redistribute it and/or modify
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@ -2629,7 +2629,7 @@ static void __exit lm93_exit(void)
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}
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MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
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"Hans J. Koch <hjk@linutronix.de");
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"Hans J. Koch <hjk@hansjkoch.de>");
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MODULE_DESCRIPTION("LM93 driver");
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MODULE_LICENSE("GPL");
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@ -128,9 +128,12 @@ static ssize_t set_interval(struct device *dev, struct device_attribute *attr,
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct lm95241_data *data = i2c_get_clientdata(client);
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unsigned long val;
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strict_strtol(buf, 10, &data->interval);
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data->interval = data->interval * HZ / 1000;
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if (strict_strtoul(buf, 10, &val) < 0)
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return -EINVAL;
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data->interval = val * HZ / 1000;
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return count;
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}
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@ -188,7 +191,9 @@ static ssize_t set_type##flag(struct device *dev, \
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struct lm95241_data *data = i2c_get_clientdata(client); \
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\
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long val; \
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strict_strtol(buf, 10, &val); \
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\
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if (strict_strtol(buf, 10, &val) < 0) \
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return -EINVAL; \
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\
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if ((val == 1) || (val == 2)) { \
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\
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@ -227,7 +232,9 @@ static ssize_t set_min##flag(struct device *dev, \
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struct lm95241_data *data = i2c_get_clientdata(client); \
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\
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long val; \
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strict_strtol(buf, 10, &val); \
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\
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if (strict_strtol(buf, 10, &val) < 0) \
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return -EINVAL;\
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\
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mutex_lock(&data->update_lock); \
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\
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@ -256,7 +263,9 @@ static ssize_t set_max##flag(struct device *dev, \
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struct lm95241_data *data = i2c_get_clientdata(client); \
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\
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long val; \
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strict_strtol(buf, 10, &val); \
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\
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if (strict_strtol(buf, 10, &val) < 0) \
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return -EINVAL; \
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\
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mutex_lock(&data->update_lock); \
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\
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@ -2,7 +2,7 @@
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* max6650.c - Part of lm_sensors, Linux kernel modules for hardware
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* monitoring.
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*
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* (C) 2007 by Hans J. Koch <hjk@linutronix.de>
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* (C) 2007 by Hans J. Koch <hjk@hansjkoch.de>
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*
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* based on code written by John Morris <john.morris@spirentcom.com>
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* Copyright (c) 2003 Spirent Communications
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@ -165,10 +165,14 @@ static const u8 IN_LSB_SHIFT_IDX[][2] = {
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#define W83795_REG_VID_CTRL 0x6A
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#define W83795_REG_ALARM_CTRL 0x40
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#define ALARM_CTRL_RTSACS (1 << 7)
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#define W83795_REG_ALARM(index) (0x41 + (index))
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#define W83795_REG_CLR_CHASSIS 0x4D
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#define W83795_REG_BEEP(index) (0x50 + (index))
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#define W83795_REG_CLR_CHASSIS 0x4D
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#define W83795_REG_OVT_CFG 0x58
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#define OVT_CFG_SEL (1 << 7)
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#define W83795_REG_FCMS1 0x201
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@ -178,6 +182,14 @@ static const u8 IN_LSB_SHIFT_IDX[][2] = {
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#define W83795_REG_TSS(index) (0x209 + (index))
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#define TSS_MAP_RESERVED 0xff
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static const u8 tss_map[4][6] = {
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{ 0, 1, 2, 3, 4, 5},
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{ 6, 7, 8, 9, 0, 1},
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{10, 11, 12, 13, 2, 3},
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{ 4, 5, 4, 5, TSS_MAP_RESERVED, TSS_MAP_RESERVED},
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};
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#define PWM_OUTPUT 0
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#define PWM_FREQ 1
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#define PWM_START 2
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|
|
@ -369,6 +381,7 @@ struct w83795_data {
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u8 setup_pwm[3]; /* Register value */
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u8 alarms[6]; /* Register value */
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u8 enable_beep;
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u8 beeps[6]; /* Register value */
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char valid;
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@ -499,8 +512,11 @@ static void w83795_update_limits(struct i2c_client *client)
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}
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/* Read beep settings */
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for (i = 0; i < ARRAY_SIZE(data->beeps); i++)
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data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i));
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if (data->enable_beep) {
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for (i = 0; i < ARRAY_SIZE(data->beeps); i++)
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data->beeps[i] =
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w83795_read(client, W83795_REG_BEEP(i));
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}
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data->valid_limits = 1;
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}
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@ -577,6 +593,7 @@ static struct w83795_data *w83795_update_device(struct device *dev)
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struct i2c_client *client = to_i2c_client(dev);
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struct w83795_data *data = i2c_get_clientdata(client);
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u16 tmp;
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u8 intrusion;
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int i;
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mutex_lock(&data->update_lock);
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@ -648,9 +665,24 @@ static struct w83795_data *w83795_update_device(struct device *dev)
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w83795_read(client, W83795_REG_PWM(i, PWM_OUTPUT));
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}
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/* update alarm */
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/* Update intrusion and alarms
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* It is important to read intrusion first, because reading from
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* register SMI STS6 clears the interrupt status temporarily. */
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tmp = w83795_read(client, W83795_REG_ALARM_CTRL);
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/* Switch to interrupt status for intrusion if needed */
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if (tmp & ALARM_CTRL_RTSACS)
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w83795_write(client, W83795_REG_ALARM_CTRL,
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tmp & ~ALARM_CTRL_RTSACS);
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intrusion = w83795_read(client, W83795_REG_ALARM(5)) & (1 << 6);
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/* Switch to real-time alarms */
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w83795_write(client, W83795_REG_ALARM_CTRL, tmp | ALARM_CTRL_RTSACS);
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for (i = 0; i < ARRAY_SIZE(data->alarms); i++)
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data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i));
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data->alarms[5] |= intrusion;
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/* Restore original configuration if needed */
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if (!(tmp & ALARM_CTRL_RTSACS))
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w83795_write(client, W83795_REG_ALARM_CTRL,
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tmp & ~ALARM_CTRL_RTSACS);
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data->last_updated = jiffies;
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data->valid = 1;
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@ -730,6 +762,10 @@ store_chassis_clear(struct device *dev,
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val = w83795_read(client, W83795_REG_CLR_CHASSIS);
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val |= 0x80;
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w83795_write(client, W83795_REG_CLR_CHASSIS, val);
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/* Clear status and force cache refresh */
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w83795_read(client, W83795_REG_ALARM(5));
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data->valid = 0;
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mutex_unlock(&data->update_lock);
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return count;
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}
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@ -857,20 +893,20 @@ show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf)
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int index = sensor_attr->index;
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u8 tmp;
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if (1 == (data->pwm_fcms[0] & (1 << index))) {
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/* Speed cruise mode */
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if (data->pwm_fcms[0] & (1 << index)) {
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tmp = 2;
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goto out;
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}
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/* Thermal cruise or SmartFan IV mode */
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for (tmp = 0; tmp < 6; tmp++) {
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if (data->pwm_tfmr[tmp] & (1 << index)) {
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tmp = 3;
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goto out;
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}
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}
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if (data->pwm_fomc & (1 << index))
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tmp = 0;
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else
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tmp = 1;
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/* Manual mode */
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tmp = 1;
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out:
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return sprintf(buf, "%u\n", tmp);
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@ -890,23 +926,21 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
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if (strict_strtoul(buf, 10, &val) < 0)
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return -EINVAL;
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if (val > 2)
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if (val < 1 || val > 2)
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return -EINVAL;
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mutex_lock(&data->update_lock);
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switch (val) {
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case 0:
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case 1:
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/* Clear speed cruise mode bits */
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data->pwm_fcms[0] &= ~(1 << index);
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w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]);
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/* Clear thermal cruise mode bits */
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for (i = 0; i < 6; i++) {
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data->pwm_tfmr[i] &= ~(1 << index);
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w83795_write(client, W83795_REG_TFMR(i),
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data->pwm_tfmr[i]);
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}
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data->pwm_fomc |= 1 << index;
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data->pwm_fomc ^= val << index;
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w83795_write(client, W83795_REG_FOMC, data->pwm_fomc);
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break;
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case 2:
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data->pwm_fcms[0] |= (1 << index);
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@ -917,6 +951,42 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
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return count;
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}
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static ssize_t
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show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct w83795_data *data = w83795_update_pwm_config(dev);
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int index = to_sensor_dev_attr_2(attr)->index;
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unsigned int mode;
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|
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if (data->pwm_fomc & (1 << index))
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mode = 0; /* DC */
|
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else
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mode = 1; /* PWM */
|
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|
||||
return sprintf(buf, "%u\n", mode);
|
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}
|
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|
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/*
|
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* Check whether a given temperature source can ever be useful.
|
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* Returns the number of selectable temperature channels which are
|
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* enabled.
|
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*/
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static int w83795_tss_useful(const struct w83795_data *data, int tsrc)
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{
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int useful = 0, i;
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|
||||
for (i = 0; i < 4; i++) {
|
||||
if (tss_map[i][tsrc] == TSS_MAP_RESERVED)
|
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continue;
|
||||
if (tss_map[i][tsrc] < 6) /* Analog */
|
||||
useful += (data->has_temp >> tss_map[i][tsrc]) & 1;
|
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else /* Digital */
|
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useful += (data->has_dts >> (tss_map[i][tsrc] - 6)) & 1;
|
||||
}
|
||||
|
||||
return useful;
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
show_temp_src(struct device *dev, struct device_attribute *attr, char *buf)
|
||||
{
|
||||
|
|
@ -924,17 +994,18 @@ show_temp_src(struct device *dev, struct device_attribute *attr, char *buf)
|
|||
to_sensor_dev_attr_2(attr);
|
||||
struct w83795_data *data = w83795_update_pwm_config(dev);
|
||||
int index = sensor_attr->index;
|
||||
u8 val = index / 2;
|
||||
u8 tmp = data->temp_src[val];
|
||||
u8 tmp = data->temp_src[index / 2];
|
||||
|
||||
if (index & 1)
|
||||
val = 4;
|
||||
tmp >>= 4; /* Pick high nibble */
|
||||
else
|
||||
val = 0;
|
||||
tmp >>= val;
|
||||
tmp &= 0x0f;
|
||||
tmp &= 0x0f; /* Pick low nibble */
|
||||
|
||||
return sprintf(buf, "%u\n", tmp);
|
||||
/* Look-up the actual temperature channel number */
|
||||
if (tmp >= 4 || tss_map[tmp][index] == TSS_MAP_RESERVED)
|
||||
return -EINVAL; /* Shouldn't happen */
|
||||
|
||||
return sprintf(buf, "%u\n", (unsigned int)tss_map[tmp][index] + 1);
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
|
|
@ -946,12 +1017,21 @@ store_temp_src(struct device *dev, struct device_attribute *attr,
|
|||
struct sensor_device_attribute_2 *sensor_attr =
|
||||
to_sensor_dev_attr_2(attr);
|
||||
int index = sensor_attr->index;
|
||||
unsigned long tmp;
|
||||
int tmp;
|
||||
unsigned long channel;
|
||||
u8 val = index / 2;
|
||||
|
||||
if (strict_strtoul(buf, 10, &tmp) < 0)
|
||||
if (strict_strtoul(buf, 10, &channel) < 0 ||
|
||||
channel < 1 || channel > 14)
|
||||
return -EINVAL;
|
||||
|
||||
/* Check if request can be fulfilled */
|
||||
for (tmp = 0; tmp < 4; tmp++) {
|
||||
if (tss_map[tmp][index] == channel - 1)
|
||||
break;
|
||||
}
|
||||
if (tmp == 4) /* No match */
|
||||
return -EINVAL;
|
||||
tmp = SENSORS_LIMIT(tmp, 0, 15);
|
||||
|
||||
mutex_lock(&data->update_lock);
|
||||
if (index & 1) {
|
||||
|
|
@ -1515,7 +1595,7 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
|
|||
|
||||
#define NOT_USED -1
|
||||
|
||||
/* Don't change the attribute order, _max and _min are accessed by index
|
||||
/* Don't change the attribute order, _max, _min and _beep are accessed by index
|
||||
* somewhere else in the code */
|
||||
#define SENSOR_ATTR_IN(index) { \
|
||||
SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \
|
||||
|
|
@ -1530,6 +1610,8 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
|
|||
show_alarm_beep, store_beep, BEEP_ENABLE, \
|
||||
index + ((index > 14) ? 1 : 0)) }
|
||||
|
||||
/* Don't change the attribute order, _beep is accessed by index
|
||||
* somewhere else in the code */
|
||||
#define SENSOR_ATTR_FAN(index) { \
|
||||
SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \
|
||||
NULL, FAN_INPUT, index - 1), \
|
||||
|
|
@ -1553,9 +1635,13 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
|
|||
show_pwm, store_pwm, PWM_FREQ, index - 1), \
|
||||
SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO, \
|
||||
show_pwm_enable, store_pwm_enable, NOT_USED, index - 1), \
|
||||
SENSOR_ATTR_2(pwm##index##_mode, S_IRUGO, \
|
||||
show_pwm_mode, NULL, NOT_USED, index - 1), \
|
||||
SENSOR_ATTR_2(fan##index##_target, S_IWUSR | S_IRUGO, \
|
||||
show_fanin, store_fanin, FANIN_TARGET, index - 1) }
|
||||
|
||||
/* Don't change the attribute order, _beep is accessed by index
|
||||
* somewhere else in the code */
|
||||
#define SENSOR_ATTR_DTS(index) { \
|
||||
SENSOR_ATTR_2(temp##index##_type, S_IRUGO , \
|
||||
show_dts_mode, NULL, NOT_USED, index - 7), \
|
||||
|
|
@ -1574,6 +1660,8 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
|
|||
SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
|
||||
show_alarm_beep, store_beep, BEEP_ENABLE, index + 17) }
|
||||
|
||||
/* Don't change the attribute order, _beep is accessed by index
|
||||
* somewhere else in the code */
|
||||
#define SENSOR_ATTR_TEMP(index) { \
|
||||
SENSOR_ATTR_2(temp##index##_type, S_IRUGO | (index < 4 ? S_IWUSR : 0), \
|
||||
show_temp_mode, store_temp_mode, NOT_USED, index - 1), \
|
||||
|
|
@ -1593,8 +1681,6 @@ store_sf_setup(struct device *dev, struct device_attribute *attr,
|
|||
SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \
|
||||
show_alarm_beep, store_beep, BEEP_ENABLE, \
|
||||
index + (index > 4 ? 11 : 17)), \
|
||||
SENSOR_ATTR_2(temp##index##_source_sel, S_IWUSR | S_IRUGO, \
|
||||
show_temp_src, store_temp_src, NOT_USED, index - 1), \
|
||||
SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \
|
||||
show_temp_pwm_enable, store_temp_pwm_enable, \
|
||||
TEMP_PWM_ENABLE, index - 1), \
|
||||
|
|
@ -1680,7 +1766,7 @@ static const struct sensor_device_attribute_2 w83795_fan[][4] = {
|
|||
SENSOR_ATTR_FAN(14),
|
||||
};
|
||||
|
||||
static const struct sensor_device_attribute_2 w83795_temp[][29] = {
|
||||
static const struct sensor_device_attribute_2 w83795_temp[][28] = {
|
||||
SENSOR_ATTR_TEMP(1),
|
||||
SENSOR_ATTR_TEMP(2),
|
||||
SENSOR_ATTR_TEMP(3),
|
||||
|
|
@ -1700,7 +1786,7 @@ static const struct sensor_device_attribute_2 w83795_dts[][8] = {
|
|||
SENSOR_ATTR_DTS(14),
|
||||
};
|
||||
|
||||
static const struct sensor_device_attribute_2 w83795_pwm[][7] = {
|
||||
static const struct sensor_device_attribute_2 w83795_pwm[][8] = {
|
||||
SENSOR_ATTR_PWM(1),
|
||||
SENSOR_ATTR_PWM(2),
|
||||
SENSOR_ATTR_PWM(3),
|
||||
|
|
@ -1711,13 +1797,24 @@ static const struct sensor_device_attribute_2 w83795_pwm[][7] = {
|
|||
SENSOR_ATTR_PWM(8),
|
||||
};
|
||||
|
||||
static const struct sensor_device_attribute_2 w83795_tss[6] = {
|
||||
SENSOR_ATTR_2(temp1_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 0),
|
||||
SENSOR_ATTR_2(temp2_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 1),
|
||||
SENSOR_ATTR_2(temp3_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 2),
|
||||
SENSOR_ATTR_2(temp4_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 3),
|
||||
SENSOR_ATTR_2(temp5_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 4),
|
||||
SENSOR_ATTR_2(temp6_source_sel, S_IWUSR | S_IRUGO,
|
||||
show_temp_src, store_temp_src, NOT_USED, 5),
|
||||
};
|
||||
|
||||
static const struct sensor_device_attribute_2 sda_single_files[] = {
|
||||
SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
store_chassis_clear, ALARM_STATUS, 46),
|
||||
SENSOR_ATTR_2(intrusion0_beep, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
store_beep, BEEP_ENABLE, 46),
|
||||
SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
store_beep, BEEP_ENABLE, 47),
|
||||
#ifdef CONFIG_SENSORS_W83795_FANCTRL
|
||||
SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin,
|
||||
store_fanin, FANIN_TOL, NOT_USED),
|
||||
|
|
@ -1730,6 +1827,13 @@ static const struct sensor_device_attribute_2 sda_single_files[] = {
|
|||
#endif
|
||||
};
|
||||
|
||||
static const struct sensor_device_attribute_2 sda_beep_files[] = {
|
||||
SENSOR_ATTR_2(intrusion0_beep, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
store_beep, BEEP_ENABLE, 46),
|
||||
SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep,
|
||||
store_beep, BEEP_ENABLE, 47),
|
||||
};
|
||||
|
||||
/*
|
||||
* Driver interface
|
||||
*/
|
||||
|
|
@ -1859,6 +1963,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
|
|||
if (!(data->has_in & (1 << i)))
|
||||
continue;
|
||||
for (j = 0; j < ARRAY_SIZE(w83795_in[0]); j++) {
|
||||
if (j == 4 && !data->enable_beep)
|
||||
continue;
|
||||
err = fn(dev, &w83795_in[i][j].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
|
|
@ -1869,18 +1975,37 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
|
|||
if (!(data->has_fan & (1 << i)))
|
||||
continue;
|
||||
for (j = 0; j < ARRAY_SIZE(w83795_fan[0]); j++) {
|
||||
if (j == 3 && !data->enable_beep)
|
||||
continue;
|
||||
err = fn(dev, &w83795_fan[i][j].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(w83795_tss); i++) {
|
||||
j = w83795_tss_useful(data, i);
|
||||
if (!j)
|
||||
continue;
|
||||
err = fn(dev, &w83795_tss[i].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {
|
||||
err = fn(dev, &sda_single_files[i].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
|
||||
if (data->enable_beep) {
|
||||
for (i = 0; i < ARRAY_SIZE(sda_beep_files); i++) {
|
||||
err = fn(dev, &sda_beep_files[i].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SENSORS_W83795_FANCTRL
|
||||
for (i = 0; i < data->has_pwm; i++) {
|
||||
for (j = 0; j < ARRAY_SIZE(w83795_pwm[0]); j++) {
|
||||
|
|
@ -1899,6 +2024,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
|
|||
#else
|
||||
for (j = 0; j < 8; j++) {
|
||||
#endif
|
||||
if (j == 7 && !data->enable_beep)
|
||||
continue;
|
||||
err = fn(dev, &w83795_temp[i][j].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
|
|
@ -1910,6 +2037,8 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,
|
|||
if (!(data->has_dts & (1 << i)))
|
||||
continue;
|
||||
for (j = 0; j < ARRAY_SIZE(w83795_dts[0]); j++) {
|
||||
if (j == 7 && !data->enable_beep)
|
||||
continue;
|
||||
err = fn(dev, &w83795_dts[i][j].dev_attr);
|
||||
if (err)
|
||||
return err;
|
||||
|
|
@ -2049,6 +2178,18 @@ static int w83795_probe(struct i2c_client *client,
|
|||
else
|
||||
data->has_pwm = 2;
|
||||
|
||||
/* Check if BEEP pin is available */
|
||||
if (data->chip_type == w83795g) {
|
||||
/* The W83795G has a dedicated BEEP pin */
|
||||
data->enable_beep = 1;
|
||||
} else {
|
||||
/* The W83795ADG has a shared pin for OVT# and BEEP, so you
|
||||
* can't have both */
|
||||
tmp = w83795_read(client, W83795_REG_OVT_CFG);
|
||||
if ((tmp & OVT_CFG_SEL) == 0)
|
||||
data->enable_beep = 1;
|
||||
}
|
||||
|
||||
err = w83795_handle_files(dev, device_create_file);
|
||||
if (err)
|
||||
goto exit_remove;
|
||||
|
|
|
|||
Loading…
Reference in New Issue