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Diffstat (limited to 'drivers/hwmon/w83627ehf.c')
-rw-r--r--drivers/hwmon/w83627ehf.c958
1 files changed, 687 insertions, 271 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index f2b377c56a3..f0ab61db7a0 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -1,49 +1,49 @@
/*
- w83627ehf - Driver for the hardware monitoring functionality of
- the Winbond W83627EHF Super-I/O chip
- Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
- Copyright (C) 2006 Yuan Mu (Winbond),
- Rudolf Marek <r.marek@assembler.cz>
- David Hubbard <david.c.hubbard@gmail.com>
- Daniel J Blueman <daniel.blueman@gmail.com>
- Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
-
- Shamelessly ripped from the w83627hf driver
- Copyright (C) 2003 Mark Studebaker
-
- Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
- in testing and debugging this driver.
-
- This driver also supports the W83627EHG, which is the lead-free
- version of the W83627EHF.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- Supports the following chips:
-
- Chip #vin #fan #pwm #temp chip IDs man ID
- w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
- 0x8860 0xa1
- w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
- w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
- w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
- w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
- nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
- nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
-*/
+ * w83627ehf - Driver for the hardware monitoring functionality of
+ * the Winbond W83627EHF Super-I/O chip
+ * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de>
+ * Copyright (C) 2006 Yuan Mu (Winbond),
+ * Rudolf Marek <r.marek@assembler.cz>
+ * David Hubbard <david.c.hubbard@gmail.com>
+ * Daniel J Blueman <daniel.blueman@gmail.com>
+ * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00)
+ *
+ * Shamelessly ripped from the w83627hf driver
+ * Copyright (C) 2003 Mark Studebaker
+ *
+ * Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help
+ * in testing and debugging this driver.
+ *
+ * This driver also supports the W83627EHG, which is the lead-free
+ * version of the W83627EHF.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Supports the following chips:
+ *
+ * Chip #vin #fan #pwm #temp chip IDs man ID
+ * w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
+ * 0x8860 0xa1
+ * w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
+ * w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
+ * w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
+ * w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
+ * w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
+ * nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
+ * nct6776f 9 5 3 9 0xC330 0xc1 0x5ca3
+ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -61,14 +61,17 @@
#include <linux/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b, nct6775,
- nct6776 };
+enum kinds {
+ w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
+ w83667hg, w83667hg_b, nct6775, nct6776,
+};
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * const w83627ehf_device_names[] = {
"w83627ehf",
"w83627dhg",
"w83627dhg",
+ "w83627uhg",
"w83667hg",
"w83667hg",
"nct6775",
@@ -104,6 +107,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
#define SIO_W83627EHG_ID 0x8860
#define SIO_W83627DHG_ID 0xa020
#define SIO_W83627DHG_P_ID 0xb070
+#define SIO_W83627UHG_ID 0xa230
#define SIO_W83667HG_ID 0xa510
#define SIO_W83667HG_B_ID 0xb350
#define SIO_NCT6775_ID 0xb470
@@ -159,11 +163,13 @@ superio_exit(int ioreg)
#define W83627EHF_REG_BANK 0x4E
#define W83627EHF_REG_CONFIG 0x40
-/* Not currently used:
+/*
+ * Not currently used:
* REG_MAN_ID has the value 0x5ca3 for all supported chips.
* REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
* REG_MAN_ID is at port 0x4f
- * REG_CHIP_ID is at port 0x58 */
+ * REG_CHIP_ID is at port 0x58
+ */
static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 };
static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c };
@@ -197,6 +203,9 @@ static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0 };
#define W83627EHF_REG_ALARM2 0x45A
#define W83627EHF_REG_ALARM3 0x45B
+#define W83627EHF_REG_CASEOPEN_DET 0x42 /* SMI STATUS #2 */
+#define W83627EHF_REG_CASEOPEN_CLR 0x46 /* SMI MASK #3 */
+
/* SmartFan registers */
#define W83627EHF_REG_FAN_STEPUP_TIME 0x0f
#define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e
@@ -231,6 +240,8 @@ static const u16 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
static const u16 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[]
= { 0x68, 0x6a, 0x6c };
+static const u16 W83627EHF_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 };
+
static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301 };
static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302 };
static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { 0x105, 0x205, 0x305 };
@@ -316,7 +327,7 @@ static const char *const nct6776_temp_label[] = {
#define NUM_REG_TEMP ARRAY_SIZE(NCT6775_REG_TEMP)
-static inline int is_word_sized(u16 reg)
+static int is_word_sized(u16 reg)
{
return ((((reg & 0xff00) == 0x100
|| (reg & 0xff00) == 0x200)
@@ -343,8 +354,8 @@ static inline unsigned int step_time_from_reg(u8 reg, u8 mode)
static inline u8 step_time_to_reg(unsigned int msec, u8 mode)
{
- return SENSORS_LIMIT((mode ? (msec + 50) / 100 :
- (msec + 200) / 400), 1, 255);
+ return clamp_val((mode ? (msec + 50) / 100 : (msec + 200) / 400),
+ 1, 255);
}
static unsigned int fan_from_reg8(u16 reg, unsigned int divreg)
@@ -385,35 +396,25 @@ div_from_reg(u8 reg)
return 1 << reg;
}
-static inline int
-temp_from_reg(u16 reg, s16 regval)
-{
- if (is_word_sized(reg))
- return LM75_TEMP_FROM_REG(regval);
- return regval * 1000;
-}
-
-static inline u16
-temp_to_reg(u16 reg, long temp)
-{
- if (is_word_sized(reg))
- return LM75_TEMP_TO_REG(temp);
- return DIV_ROUND_CLOSEST(SENSORS_LIMIT(temp, -127000, 128000), 1000);
-}
-
-/* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */
-
-static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 };
+/*
+ * Some of the voltage inputs have internal scaling, the tables below
+ * contain 8 (the ADC LSB in mV) * scaling factor * 100
+ */
+static const u16 scale_in_common[10] = {
+ 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
+};
+static const u16 scale_in_w83627uhg[9] = {
+ 800, 800, 3328, 3424, 800, 800, 0, 3328, 3400
+};
-static inline long in_from_reg(u8 reg, u8 nr)
+static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
{
- return reg * scale_in[nr];
+ return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
}
-static inline u8 in_to_reg(u32 val, u8 nr)
+static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
{
- return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0,
- 255);
+ return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255);
}
/*
@@ -443,6 +444,7 @@ struct w83627ehf_data {
const u16 *REG_FAN_STOP_TIME;
const u16 *REG_FAN_MAX_OUTPUT;
const u16 *REG_FAN_STEP_OUTPUT;
+ const u16 *scale_in;
unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
@@ -464,19 +466,22 @@ struct w83627ehf_data {
u8 has_fan_min; /* some fans don't have min register */
bool has_fan_div;
u8 temp_type[3];
+ s8 temp_offset[3];
s16 temp[9];
s16 temp_max[9];
s16 temp_max_hyst[9];
u32 alarms;
+ u8 caseopen;
u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
u8 pwm_enable[4]; /* 1->manual
- 2->thermal cruise mode (also called SmartFan I)
- 3->fan speed cruise mode
- 4->variable thermal cruise (also called
- SmartFan III)
- 5->enhanced variable thermal cruise (also called
- SmartFan IV) */
+ * 2->thermal cruise mode (also called SmartFan I)
+ * 3->fan speed cruise mode
+ * 4->variable thermal cruise (also called
+ * SmartFan III)
+ * 5->enhanced variable thermal cruise (also called
+ * SmartFan IV)
+ */
u8 pwm_enable_orig[4]; /* original value of pwm_enable */
u8 pwm_num; /* number of pwm */
u8 pwm[4];
@@ -493,7 +498,16 @@ struct w83627ehf_data {
u8 vrm;
u16 have_temp;
- u8 in6_skip;
+ u16 have_temp_offset;
+ u8 in6_skip:1;
+ u8 temp3_val_only:1;
+
+#ifdef CONFIG_PM
+ /* Remember extra register values over suspend/resume */
+ u8 vbat;
+ u8 fandiv1;
+ u8 fandiv2;
+#endif
};
struct w83627ehf_sio_data {
@@ -556,6 +570,26 @@ static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg,
return 0;
}
+/* We left-align 8-bit temperature values to make the code simpler */
+static u16 w83627ehf_read_temp(struct w83627ehf_data *data, u16 reg)
+{
+ u16 res;
+
+ res = w83627ehf_read_value(data, reg);
+ if (!is_word_sized(reg))
+ res <<= 8;
+
+ return res;
+}
+
+static int w83627ehf_write_temp(struct w83627ehf_data *data, u16 reg,
+ u16 value)
+{
+ if (!is_word_sized(reg))
+ value >>= 8;
+ return w83627ehf_write_value(data, reg, value);
+}
+
/* This function assumes that the caller holds data->update_lock */
static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
{
@@ -571,6 +605,7 @@ static void nct6775_write_fan_div(struct w83627ehf_data *data, int nr)
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV1) & 0x7)
| ((data->fan_div[1] << 4) & 0x70);
w83627ehf_write_value(data, NCT6775_REG_FANDIV1, reg);
+ break;
case 2:
reg = (w83627ehf_read_value(data, NCT6775_REG_FANDIV2) & 0x70)
| (data->fan_div[2] & 0x7);
@@ -638,7 +673,7 @@ static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr)
static void w83627ehf_write_fan_div_common(struct device *dev,
struct w83627ehf_data *data, int nr)
{
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
if (sio_data->kind == nct6776)
; /* no dividers, do nothing */
@@ -689,7 +724,7 @@ static void w83627ehf_update_fan_div(struct w83627ehf_data *data)
static void w83627ehf_update_fan_div_common(struct device *dev,
struct w83627ehf_data *data)
{
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
if (sio_data->kind == nct6776)
; /* no dividers, do nothing */
@@ -746,7 +781,7 @@ static void w83627ehf_update_pwm(struct w83627ehf_data *data)
static void w83627ehf_update_pwm_common(struct device *dev,
struct w83627ehf_data *data)
{
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
if (sio_data->kind == nct6775 || sio_data->kind == nct6776)
nct6775_update_pwm(data);
@@ -757,7 +792,7 @@ static void w83627ehf_update_pwm_common(struct device *dev,
static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
int i;
@@ -770,6 +805,9 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
/* Measured voltages and limits */
for (i = 0; i < data->in_num; i++) {
+ if ((i == 6) && data->in6_skip)
+ continue;
+
data->in[i] = w83627ehf_read_value(data,
W83627EHF_REG_IN(i));
data->in_min[i] = w83627ehf_read_value(data,
@@ -793,15 +831,17 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
data->fan_min[i] = w83627ehf_read_value(data,
data->REG_FAN_MIN[i]);
- /* If we failed to measure the fan speed and clock
- divider can be increased, let's try that for next
- time */
+ /*
+ * If we failed to measure the fan speed and clock
+ * divider can be increased, let's try that for next
+ * time
+ */
if (data->has_fan_div
&& (reg >= 0xff || (sio_data->kind == nct6775
&& reg == 0x00))
&& data->fan_div[i] < 0x07) {
- dev_dbg(dev, "Increasing fan%d "
- "clock divider from %u to %u\n",
+ dev_dbg(dev,
+ "Increasing fan%d clock divider from %u to %u\n",
i + 1, div_from_reg(data->fan_div[i]),
div_from_reg(data->fan_div[i] + 1));
data->fan_div[i]++;
@@ -854,16 +894,22 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
for (i = 0; i < NUM_REG_TEMP; i++) {
if (!(data->have_temp & (1 << i)))
continue;
- data->temp[i] = w83627ehf_read_value(data,
+ data->temp[i] = w83627ehf_read_temp(data,
data->reg_temp[i]);
if (data->reg_temp_over[i])
data->temp_max[i]
- = w83627ehf_read_value(data,
+ = w83627ehf_read_temp(data,
data->reg_temp_over[i]);
if (data->reg_temp_hyst[i])
data->temp_max_hyst[i]
- = w83627ehf_read_value(data,
+ = w83627ehf_read_temp(data,
data->reg_temp_hyst[i]);
+ if (i > 2)
+ continue;
+ if (data->have_temp_offset & (1 << i))
+ data->temp_offset[i]
+ = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_OFFSET[i]);
}
data->alarms = w83627ehf_read_value(data,
@@ -873,6 +919,9 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
(w83627ehf_read_value(data,
W83627EHF_REG_ALARM3) << 16);
+ data->caseopen = w83627ehf_read_value(data,
+ W83627EHF_REG_CASEOPEN_DET);
+
data->last_updated = jiffies;
data->valid = 1;
}
@@ -893,7 +942,8 @@ show_##reg(struct device *dev, struct device_attribute *attr, \
struct sensor_device_attribute *sensor_attr = \
to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
- return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \
+ return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
+ data->scale_in)); \
}
show_in_reg(in)
show_in_reg(in_min)
@@ -910,11 +960,11 @@ store_in_##reg(struct device *dev, struct device_attribute *attr, \
int nr = sensor_attr->index; \
unsigned long val; \
int err; \
- err = strict_strtoul(buf, 10, &val); \
+ err = kstrtoul(buf, 10, &val); \
if (err < 0) \
return err; \
mutex_lock(&data->update_lock); \
- data->in_##reg[nr] = in_to_reg(val, nr); \
+ data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
data->in_##reg[nr]); \
mutex_unlock(&data->update_lock); \
@@ -1027,7 +1077,7 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
unsigned int reg;
u8 new_div;
- err = strict_strtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
@@ -1054,25 +1104,31 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
new_div = data->fan_div[nr]; /* No change */
dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1);
} else if ((reg = 1350000U / val) >= 128 * 255) {
- /* Speed below this value cannot possibly be represented,
- even with the highest divider (128) */
+ /*
+ * Speed below this value cannot possibly be represented,
+ * even with the highest divider (128)
+ */
data->fan_min[nr] = 254;
new_div = 7; /* 128 == (1 << 7) */
- dev_warn(dev, "fan%u low limit %lu below minimum %u, set to "
- "minimum\n", nr + 1, val,
- data->fan_from_reg_min(254, 7));
+ dev_warn(dev,
+ "fan%u low limit %lu below minimum %u, set to minimum\n",
+ nr + 1, val, data->fan_from_reg_min(254, 7));
} else if (!reg) {
- /* Speed above this value cannot possibly be represented,
- even with the lowest divider (1) */
+ /*
+ * Speed above this value cannot possibly be represented,
+ * even with the lowest divider (1)
+ */
data->fan_min[nr] = 1;
new_div = 0; /* 1 == (1 << 0) */
- dev_warn(dev, "fan%u low limit %lu above maximum %u, set to "
- "maximum\n", nr + 1, val,
- data->fan_from_reg_min(1, 0));
+ dev_warn(dev,
+ "fan%u low limit %lu above maximum %u, set to maximum\n",
+ nr + 1, val, data->fan_from_reg_min(1, 0));
} else {
- /* Automatically pick the best divider, i.e. the one such
- that the min limit will correspond to a register value
- in the 96..192 range */
+ /*
+ * Automatically pick the best divider, i.e. the one such
+ * that the min limit will correspond to a register value
+ * in the 96..192 range
+ */
new_div = 0;
while (reg > 192 && new_div < 7) {
reg >>= 1;
@@ -1081,8 +1137,10 @@ store_fan_min(struct device *dev, struct device_attribute *attr,
data->fan_min[nr] = reg;
}
- /* Write both the fan clock divider (if it changed) and the new
- fan min (unconditionally) */
+ /*
+ * Write both the fan clock divider (if it changed) and the new
+ * fan min (unconditionally)
+ */
if (new_div != data->fan_div[nr]) {
dev_dbg(dev, "fan%u clock divider changed from %u to %u\n",
nr + 1, div_from_reg(data->fan_div[nr]),
@@ -1155,8 +1213,7 @@ show_##reg(struct device *dev, struct device_attribute *attr, \
struct sensor_device_attribute *sensor_attr = \
to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
- return sprintf(buf, "%d\n", \
- temp_from_reg(data->addr[nr], data->reg[nr])); \
+ return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->reg[nr])); \
}
show_temp_reg(reg_temp, temp);
show_temp_reg(reg_temp_over, temp_max);
@@ -1173,13 +1230,12 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
int nr = sensor_attr->index; \
int err; \
long val; \
- err = strict_strtol(buf, 10, &val); \
+ err = kstrtol(buf, 10, &val); \
if (err < 0) \
return err; \
mutex_lock(&data->update_lock); \
- data->reg[nr] = temp_to_reg(data->addr[nr], val); \
- w83627ehf_write_value(data, data->addr[nr], \
- data->reg[nr]); \
+ data->reg[nr] = LM75_TEMP_TO_REG(val); \
+ w83627ehf_write_temp(data, data->addr[nr], data->reg[nr]); \
mutex_unlock(&data->update_lock); \
return count; \
}
@@ -1187,6 +1243,39 @@ store_temp_reg(reg_temp_over, temp_max);
store_temp_reg(reg_temp_hyst, temp_max_hyst);
static ssize_t
+show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+
+ return sprintf(buf, "%d\n",
+ data->temp_offset[sensor_attr->index] * 1000);
+}
+
+static ssize_t
+store_temp_offset(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ int nr = sensor_attr->index;
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err < 0)
+ return err;
+
+ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127);
+
+ mutex_lock(&data->update_lock);
+ data->temp_offset[nr] = val;
+ w83627ehf_write_value(data, W83627EHF_REG_TEMP_OFFSET[nr], val);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static ssize_t
show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627ehf_data *data = w83627ehf_update_device(dev);
@@ -1273,6 +1362,15 @@ static struct sensor_device_attribute sda_temp_type[] = {
SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
};
+static struct sensor_device_attribute sda_temp_offset[] = {
+ SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 0),
+ SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 1),
+ SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset,
+ store_temp_offset, 2),
+};
+
#define show_pwm_reg(reg) \
static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
char *buf) \
@@ -1294,17 +1392,23 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr,
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
int nr = sensor_attr->index;
unsigned long val;
int err;
u16 reg;
- err = strict_strtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
if (val > 1)
return -EINVAL;
+
+ /* On NCT67766F, DC mode is only supported for pwm1 */
+ if (sio_data->kind == nct6776 && nr && val != 1)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
data->pwm_mode[nr] = val;
@@ -1326,11 +1430,11 @@ store_pwm(struct device *dev, struct device_attribute *attr,
unsigned long val;
int err;
- err = strict_strtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
- val = SENSORS_LIMIT(val, 0, 255);
+ val = clamp_val(val, 0, 255);
mutex_lock(&data->update_lock);
data->pwm[nr] = val;
@@ -1344,14 +1448,14 @@ store_pwm_enable(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
unsigned long val;
int err;
u16 reg;
- err = strict_strtoul(buf, 10, &val);
+ err = kstrtoul(buf, 10, &val);
if (err < 0)
return err;
@@ -1405,11 +1509,11 @@ store_target_temp(struct device *dev, struct device_attribute *attr,
long val;
int err;
- err = strict_strtol(buf, 10, &val);
+ err = kstrtol(buf, 10, &val);
if (err < 0)
return err;
- val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
+ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 127);
mutex_lock(&data->update_lock);
data->target_temp[nr] = val;
@@ -1423,19 +1527,19 @@ store_tolerance(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
u16 reg;
long val;
int err;
- err = strict_strtol(buf, 10, &val);
+ err = kstrtol(buf, 10, &val);
if (err < 0)
return err;
/* Limit the temp to 0C - 15C */
- val = SENSORS_LIMIT(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
+ val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 15);
mutex_lock(&data->update_lock);
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
@@ -1531,10 +1635,10 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
int nr = sensor_attr->index; \
unsigned long val; \
int err; \
- err = strict_strtoul(buf, 10, &val); \
+ err = kstrtoul(buf, 10, &val); \
if (err < 0) \
return err; \
- val = SENSORS_LIMIT(val, 1, 255); \
+ val = clamp_val(val, 1, 255); \
mutex_lock(&data->update_lock); \
data->reg[nr] = val; \
w83627ehf_write_value(data, data->REG_##REG[nr], val); \
@@ -1570,13 +1674,13 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
int nr = sensor_attr->index; \
unsigned long val; \
int err; \
- err = strict_strtoul(buf, 10, &val); \
+ err = kstrtoul(buf, 10, &val); \
if (err < 0) \
return err; \
val = step_time_to_reg(val, data->pwm_mode[nr]); \
mutex_lock(&data->update_lock); \
data->reg[nr] = val; \
- w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \
+ w83627ehf_write_value(data, data->REG_##REG[nr], val); \
mutex_unlock(&data->update_lock); \
return count; \
} \
@@ -1605,25 +1709,28 @@ static struct sensor_device_attribute sda_sf3_arrays_fan4[] = {
store_fan_step_output, 3),
};
+static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
+ SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
+ store_fan_stop_time, 2),
+ SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
+ store_fan_start_output, 2),
+ SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
+ store_fan_stop_output, 2),
+};
+
static struct sensor_device_attribute sda_sf3_arrays[] = {
SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
store_fan_stop_time, 0),
SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
store_fan_stop_time, 1),
- SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
- store_fan_stop_time, 2),
SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
store_fan_start_output, 0),
SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
store_fan_start_output, 1),
- SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
- store_fan_start_output, 2),
SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 0),
SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 1),
- SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
- store_fan_stop_output, 2),
};
@@ -1654,14 +1761,58 @@ show_vid(struct device *dev, struct device_attribute *attr, char *buf)
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+/* Case open detection */
+
+static ssize_t
+show_caseopen(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+
+ return sprintf(buf, "%d\n",
+ !!(data->caseopen & to_sensor_dev_attr_2(attr)->index));
+}
+
+static ssize_t
+clear_caseopen(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct w83627ehf_data *data = dev_get_drvdata(dev);
+ unsigned long val;
+ u16 reg, mask;
+
+ if (kstrtoul(buf, 10, &val) || val != 0)
+ return -EINVAL;
+
+ mask = to_sensor_dev_attr_2(attr)->nr;
+
+ mutex_lock(&data->update_lock);
+ reg = w83627ehf_read_value(data, W83627EHF_REG_CASEOPEN_CLR);
+ w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg | mask);
+ w83627ehf_write_value(data, W83627EHF_REG_CASEOPEN_CLR, reg & ~mask);
+ data->valid = 0; /* Force cache refresh */
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static struct sensor_device_attribute_2 sda_caseopen[] = {
+ SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_caseopen,
+ clear_caseopen, 0x80, 0x10),
+ SENSOR_ATTR_2(intrusion1_alarm, S_IWUSR | S_IRUGO, show_caseopen,
+ clear_caseopen, 0x40, 0x40),
+};
+
/*
* Driver and device management
*/
static void w83627ehf_device_remove_files(struct device *dev)
{
- /* some entries in the following arrays may not have been used in
- * device_create_file(), but device_remove_file() will ignore them */
+ /*
+ * some entries in the following arrays may not have been used in
+ * device_create_file(), but device_remove_file() will ignore them
+ */
int i;
struct w83627ehf_data *data = dev_get_drvdata(dev);
@@ -1674,6 +1825,8 @@ static void w83627ehf_device_remove_files(struct device *dev)
data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
device_remove_file(dev, &attr->dev_attr);
}
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
+ device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
for (i = 0; i < data->in_num; i++) {
@@ -1702,20 +1855,27 @@ static void w83627ehf_device_remove_files(struct device *dev)
continue;
device_remove_file(dev, &sda_temp_input[i].dev_attr);
device_remove_file(dev, &sda_temp_label[i].dev_attr);
+ if (i == 2 && data->temp3_val_only)
+ continue;
device_remove_file(dev, &sda_temp_max[i].dev_attr);
device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
if (i > 2)
continue;
device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
device_remove_file(dev, &sda_temp_type[i].dev_attr);
+ device_remove_file(dev, &sda_temp_offset[i].dev_attr);
}
+ device_remove_file(dev, &sda_caseopen[0].dev_attr);
+ device_remove_file(dev, &sda_caseopen[1].dev_attr);
+
device_remove_file(dev, &dev_attr_name);
device_remove_file(dev, &dev_attr_cpu0_vid);
}
/* Get the monitoring functions started */
-static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
+static inline void w83627ehf_init_device(struct w83627ehf_data *data,
+ enum kinds kind)
{
int i;
u8 tmp, diode;
@@ -1746,10 +1906,29 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01);
/* Get thermal sensor types */
- diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
+ switch (kind) {
+ case w83627ehf:
+ diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
+ break;
+ case w83627uhg:
+ diode = 0x00;
+ break;
+ default:
+ diode = 0x70;
+ }
for (i = 0; i < 3; i++) {
- if ((tmp & (0x02 << i)))
- data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 2;
+ const char *label = NULL;
+
+ if (data->temp_label)
+ label = data->temp_label[data->temp_src[i]];
+
+ /* Digital source overrides analog type */
+ if (label && strncmp(label, "PECI", 4) == 0)
+ data->temp_type[i] = 6;
+ else if (label && strncmp(label, "AMD", 3) == 0)
+ data->temp_type[i] = 5;
+ else if ((tmp & (0x02 << i)))
+ data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
else
data->temp_type[i] = 4; /* thermistor */
}
@@ -1781,13 +1960,115 @@ static void w82627ehf_swap_tempreg(struct w83627ehf_data *data,
data->reg_temp_config[r2] = tmp;
}
-static int __devinit w83627ehf_probe(struct platform_device *pdev)
+static void
+w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
+{
+ int i;
+
+ for (i = 0; i < n_temp; i++) {
+ data->reg_temp[i] = W83627EHF_REG_TEMP[i];
+ data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
+ data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
+ data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+ }
+}
+
+static void
+w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
+ struct w83627ehf_data *data)
+{
+ int fan3pin, fan4pin, fan4min, fan5pin, regval;
+
+ /* The W83627UHG is simple, only two fan inputs, no config */
+ if (sio_data->kind == w83627uhg) {
+ data->has_fan = 0x03; /* fan1 and fan2 */
+ data->has_fan_min = 0x03;
+ return;
+ }
+
+ superio_enter(sio_data->sioreg);
+
+ /* fan4 and fan5 share some pins with the GPIO and serial flash */
+ if (sio_data->kind == nct6775) {
+ /* On NCT6775, fan4 shares pins with the fdc interface */
+ fan3pin = 1;
+ fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
+ fan4min = 0;
+ fan5pin = 0;
+ } else if (sio_data->kind == nct6776) {
+ bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
+
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+
+ if (regval & 0x80)
+ fan3pin = gpok;
+ else
+ fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+
+ if (regval & 0x40)
+ fan4pin = gpok;
+ else
+ fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
+
+ if (regval & 0x20)
+ fan5pin = gpok;
+ else
+ fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+
+ fan4min = fan4pin;
+ } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
+ fan3pin = 1;
+ fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
+ fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
+ fan4min = fan4pin;
+ } else {
+ fan3pin = 1;
+ fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
+ fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
+ fan4min = fan4pin;
+ }
+
+ superio_exit(sio_data->sioreg);
+
+ data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
+ data->has_fan |= (fan3pin << 2);
+ data->has_fan_min |= (fan3pin << 2);
+
+ if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
+ /*
+ * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1
+ * register
+ */
+ data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
+ data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
+ } else {
+ /*
+ * It looks like fan4 and fan5 pins can be alternatively used
+ * as fan on/off switches, but fan5 control is write only :/
+ * We assume that if the serial interface is disabled, designers
+ * connected fan5 as input unless they are emitting log 1, which
+ * is not the default.
+ */
+ regval = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
+ if ((regval & (1 << 2)) && fan4pin) {
+ data->has_fan |= (1 << 3);
+ data->has_fan_min |= (1 << 3);
+ }
+ if (!(regval & (1 << 1)) && fan5pin) {
+ data->has_fan |= (1 << 4);
+ data->has_fan_min |= (1 << 4);
+ }
+ }
+}
+
+static int w83627ehf_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct w83627ehf_sio_data *sio_data = dev->platform_data;
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
struct w83627ehf_data *data;
struct resource *res;
- u8 fan3pin, fan4pin, fan4min, fan5pin, en_vrm10;
+ u8 en_vrm10;
int i, err = 0;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
@@ -1799,7 +2080,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
goto exit;
}
- data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
+ GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit_release;
@@ -1809,27 +2091,29 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
mutex_init(&data->lock);
mutex_init(&data->update_lock);
data->name = w83627ehf_device_names[sio_data->kind];
+ data->bank = 0xff; /* Force initial bank selection */
platform_set_drvdata(pdev, data);
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
- /* 667HG, NCT6775F, and NCT6776F have 3 pwms */
- data->pwm_num = (sio_data->kind == w83667hg
- || sio_data->kind == w83667hg_b
- || sio_data->kind == nct6775
- || sio_data->kind == nct6776) ? 3 : 4;
+ /* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
+ switch (sio_data->kind) {
+ default:
+ data->pwm_num = 4;
+ break;
+ case w83667hg:
+ case w83667hg_b:
+ case nct6775:
+ case nct6776:
+ data->pwm_num = 3;
+ break;
+ case w83627uhg:
+ data->pwm_num = 2;
+ break;
+ }
+ /* Default to 3 temperature inputs, code below will adjust as needed */
data->have_temp = 0x07;
- /* Check temp3 configuration bit for 667HG */
- if (sio_data->kind == w83667hg) {
- u8 reg;
-
- reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
- if (reg & 0x01)
- data->have_temp &= ~(1 << 2);
- else
- data->in6_skip = 1; /* either temp3 or in6 */
- }
/* Deal with temperature register setup first. */
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
@@ -1903,19 +2187,20 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
} else {
data->temp_label = nct6775_temp_label;
}
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 3)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else if (sio_data->kind == w83667hg_b) {
u8 reg;
+ w83627ehf_set_temp_reg_ehf(data, 4);
+
/*
* Temperature sources are selected with bank 0, registers 0x49
* and 0x4a.
*/
- for (i = 0; i < ARRAY_SIZE(W83627EHF_REG_TEMP); i++) {
- data->reg_temp[i] = W83627EHF_REG_TEMP[i];
- data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
- data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
- data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
- }
reg = w83627ehf_read_value(data, 0x4a);
data->temp_src[0] = reg >> 5;
reg = w83627ehf_read_value(data, 0x49);
@@ -1949,14 +2234,72 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->in6_skip = 1;
data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x07;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 2)
+ data->have_temp_offset &= ~(1 << i);
+ }
+ } else if (sio_data->kind == w83627uhg) {
+ u8 reg;
+
+ w83627ehf_set_temp_reg_ehf(data, 3);
+
+ /*
+ * Temperature sources for temp2 and temp3 are selected with
+ * bank 0, registers 0x49 and 0x4a.
+ */
+ data->temp_src[0] = 0; /* SYSTIN */
+ reg = w83627ehf_read_value(data, 0x49) & 0x07;
+ /* Adjust to have the same mapping as other source registers */
+ if (reg == 0)
+ data->temp_src[1] = 1;
+ else if (reg >= 2 && reg <= 5)
+ data->temp_src[1] = reg + 2;
+ else /* should never happen */
+ data->have_temp &= ~(1 << 1);
+ reg = w83627ehf_read_value(data, 0x4a);
+ data->temp_src[2] = reg >> 5;
+
+ /*
+ * Skip temp3 if source is invalid or the same as temp1
+ * or temp2.
+ */
+ if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
+ data->temp_src[2] == data->temp_src[0] ||
+ ((data->have_temp & (1 << 1)) &&
+ data->temp_src[2] == data->temp_src[1]))
+ data->have_temp &= ~(1 << 2);
+ else
+ data->temp3_val_only = 1; /* No limit regs */
+
+ data->in6_skip = 1; /* No VIN3 */
+
+ data->temp_label = w83667hg_b_temp_label;
+ data->have_temp_offset = data->have_temp & 0x03;
+ for (i = 0; i < 3; i++) {
+ if (data->temp_src[i] > 1)
+ data->have_temp_offset &= ~(1 << i);
+ }
} else {
+ w83627ehf_set_temp_reg_ehf(data, 3);
+
/* Temperature sources are fixed */
- for (i = 0; i < 3; i++) {
- data->reg_temp[i] = W83627EHF_REG_TEMP[i];
- data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
- data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
- data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+
+ if (sio_data->kind == w83667hg) {
+ u8 reg;
+
+ /*
+ * Chip supports either AUXTIN or VIN3. Try to find
+ * out which one.
+ */
+ reg = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_CONFIG[2]);
+ if (reg & 0x01)
+ data->have_temp &= ~(1 << 2);
+ else
+ data->in6_skip = 1;
}
+ data->have_temp_offset = data->have_temp & 0x07;
}
if (sio_data->kind == nct6775) {
@@ -2015,43 +2358,53 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
}
+ /* Setup input voltage scaling factors */
+ if (sio_data->kind == w83627uhg)
+ data->scale_in = scale_in_w83627uhg;
+ else
+ data->scale_in = scale_in_common;
+
/* Initialize the chip */
- w83627ehf_init_device(data);
+ w83627ehf_init_device(data, sio_data->kind);
data->vrm = vid_which_vrm();
superio_enter(sio_data->sioreg);
/* Read VID value */
if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b ||
sio_data->kind == nct6775 || sio_data->kind == nct6776) {
- /* W83667HG has different pins for VID input and output, so
- we can get the VID input values directly at logical device D
- 0xe3. */
+ /*
+ * W83667HG has different pins for VID input and output, so
+ * we can get the VID input values directly at logical device D
+ * 0xe3.
+ */
superio_select(sio_data->sioreg, W83667HG_LD_VID);
data->vid = superio_inb(sio_data->sioreg, 0xe3);
err = device_create_file(dev, &dev_attr_cpu0_vid);
if (err)
goto exit_release;
- } else {
+ } else if (sio_data->kind != w83627uhg) {
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
- /* Set VID input sensibility if needed. In theory the
- BIOS should have set it, but in practice it's not
- always the case. We only do it for the W83627EHF/EHG
- because the W83627DHG is more complex in this
- respect. */
+ /*
+ * Set VID input sensibility if needed. In theory the
+ * BIOS should have set it, but in practice it's not
+ * always the case. We only do it for the W83627EHF/EHG
+ * because the W83627DHG is more complex in this
+ * respect.
+ */
if (sio_data->kind == w83627ehf) {
en_vrm10 = superio_inb(sio_data->sioreg,
SIO_REG_EN_VRM10);
if ((en_vrm10 & 0x08) && data->vrm == 90) {
- dev_warn(dev, "Setting VID input "
- "voltage to TTL\n");
+ dev_warn(dev,
+ "Setting VID input voltage to TTL\n");
superio_outb(sio_data->sioreg,
SIO_REG_EN_VRM10,
en_vrm10 & ~0x08);
} else if (!(en_vrm10 & 0x08)
&& data->vrm == 100) {
- dev_warn(dev, "Setting VID input "
- "voltage to VRM10\n");
+ dev_warn(dev,
+ "Setting VID input voltage to VRM10\n");
superio_outb(sio_data->sioreg,
SIO_REG_EN_VRM10,
en_vrm10 | 0x08);
@@ -2067,35 +2420,11 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
if (err)
goto exit_release;
} else {
- dev_info(dev, "VID pins in output mode, CPU VID not "
- "available\n");
+ dev_info(dev,
+ "VID pins in output mode, CPU VID not available\n");
}
}
- /* fan4 and fan5 share some pins with the GPIO and serial flash */
- if (sio_data->kind == nct6775) {
- /* On NCT6775, fan4 shares pins with the fdc interface */
- fan3pin = 1;
- fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80);
- fan4min = 0;
- fan5pin = 0;
- } else if (sio_data->kind == nct6776) {
- fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
- fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
- fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
- fan4min = fan4pin;
- } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
- fan3pin = 1;
- fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
- fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
- fan4min = fan4pin;
- } else {
- fan3pin = 1;
- fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
- fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
- fan4min = fan4pin;
- }
-
if (fan_debounce &&
(sio_data->kind == nct6775 || sio_data->kind == nct6776)) {
u8 tmp;
@@ -2113,34 +2442,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
superio_exit(sio_data->sioreg);
- /* It looks like fan4 and fan5 pins can be alternatively used
- as fan on/off switches, but fan5 control is write only :/
- We assume that if the serial interface is disabled, designers
- connected fan5 as input unless they are emitting log 1, which
- is not the default. */
-
- data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */
-
- data->has_fan |= (fan3pin << 2);
- data->has_fan_min |= (fan3pin << 2);
-
- /*
- * NCT6775F and NCT6776F don't have the W83627EHF_REG_FANDIV1 register
- */
- if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
- data->has_fan |= (fan4pin << 3) | (fan5pin << 4);
- data->has_fan_min |= (fan4min << 3) | (fan5pin << 4);
- } else {
- i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
- if ((i & (1 << 2)) && fan4pin) {
- data->has_fan |= (1 << 3);
- data->has_fan_min |= (1 << 3);
- }
- if (!(i & (1 << 1)) && fan5pin) {
- data->has_fan |= (1 << 4);
- data->has_fan_min |= (1 << 4);
- }
- }
+ w83627ehf_check_fan_inputs(sio_data, data);
/* Read fan clock dividers immediately */
w83627ehf_update_fan_div_common(dev, data);
@@ -2150,11 +2452,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
for (i = 0; i < data->pwm_num; i++)
data->pwm_enable_orig[i] = data->pwm_enable[i];
- /* Read pwm data to save original values */
- w83627ehf_update_pwm_common(dev, data);
- for (i = 0; i < data->pwm_num; i++)
- data->pwm_enable_orig[i] = data->pwm_enable[i];
-
/* Register sysfs hooks */
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
@@ -2172,7 +2469,14 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
goto exit_remove;
}
}
- /* if fan4 is enabled create the sf3 files for it */
+ /* if fan3 and fan4 are enabled create the sf3 files for them */
+ if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
+ err = device_create_file(dev,
+ &sda_sf3_arrays_fan3[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
err = device_create_file(dev,
@@ -2240,6 +2544,8 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
if (err)
goto exit_remove;
}
+ if (i == 2 && data->temp3_val_only)
+ continue;
if (data->reg_temp_over[i]) {
err = device_create_file(dev,
&sda_temp_max[i].dev_attr);
@@ -2259,6 +2565,22 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&sda_temp_type[i].dev_attr)))
goto exit_remove;
+ if (data->have_temp_offset & (1 << i)) {
+ err = device_create_file(dev,
+ &sda_temp_offset[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ }
+
+ err = device_create_file(dev, &sda_caseopen[0].dev_attr);
+ if (err)
+ goto exit_remove;
+
+ if (sio_data->kind == nct6776) {
+ err = device_create_file(dev, &sda_caseopen[1].dev_attr);
+ if (err)
+ goto exit_remove;
}
err = device_create_file(dev, &dev_attr_name);
@@ -2275,48 +2597,135 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
exit_remove:
w83627ehf_device_remove_files(dev);
- kfree(data);
- platform_set_drvdata(pdev, NULL);
exit_release:
release_region(res->start, IOREGION_LENGTH);
exit:
return err;
}
-static int __devexit w83627ehf_remove(struct platform_device *pdev)
+static int w83627ehf_remove(struct platform_device *pdev)
{
struct w83627ehf_data *data = platform_get_drvdata(pdev);
hwmon_device_unregister(data->hwmon_dev);
w83627ehf_device_remove_files(&pdev->dev);
release_region(data->addr, IOREGION_LENGTH);
- platform_set_drvdata(pdev, NULL);
- kfree(data);
return 0;
}
+#ifdef CONFIG_PM
+static int w83627ehf_suspend(struct device *dev)
+{
+ struct w83627ehf_data *data = w83627ehf_update_device(dev);
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
+
+ mutex_lock(&data->update_lock);
+ data->vbat = w83627ehf_read_value(data, W83627EHF_REG_VBAT);
+ if (sio_data->kind == nct6775) {
+ data->fandiv1 = w83627ehf_read_value(data, NCT6775_REG_FANDIV1);
+ data->fandiv2 = w83627ehf_read_value(data, NCT6775_REG_FANDIV2);
+ }
+ mutex_unlock(&data->update_lock);
+
+ return 0;
+}
+
+static int w83627ehf_resume(struct device *dev)
+{
+ struct w83627ehf_data *data = dev_get_drvdata(dev);
+ struct w83627ehf_sio_data *sio_data = dev_get_platdata(dev);
+ int i;
+
+ mutex_lock(&data->update_lock);
+ data->bank = 0xff; /* Force initial bank selection */
+
+ /* Restore limits */
+ for (i = 0; i < data->in_num; i++) {
+ if ((i == 6) && data->in6_skip)
+ continue;
+
+ w83627ehf_write_value(data, W83627EHF_REG_IN_MIN(i),
+ data->in_min[i]);
+ w83627ehf_write_value(data, W83627EHF_REG_IN_MAX(i),
+ data->in_max[i]);
+ }
+
+ for (i = 0; i < 5; i++) {
+ if (!(data->has_fan_min & (1 << i)))
+ continue;
+
+ w83627ehf_write_value(data, data->REG_FAN_MIN[i],
+ data->fan_min[i]);
+ }
+
+ for (i = 0; i < NUM_REG_TEMP; i++) {
+ if (!(data->have_temp & (1 << i)))
+ continue;
+
+ if (data->reg_temp_over[i])
+ w83627ehf_write_temp(data, data->reg_temp_over[i],
+ data->temp_max[i]);
+ if (data->reg_temp_hyst[i])
+ w83627ehf_write_temp(data, data->reg_temp_hyst[i],
+ data->temp_max_hyst[i]);
+ if (i > 2)
+ continue;
+ if (data->have_temp_offset & (1 << i))
+ w83627ehf_write_value(data,
+ W83627EHF_REG_TEMP_OFFSET[i],
+ data->temp_offset[i]);
+ }
+
+ /* Restore other settings */
+ w83627ehf_write_value(data, W83627EHF_REG_VBAT, data->vbat);
+ if (sio_data->kind == nct6775) {
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1);
+ w83627ehf_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2);
+ }
+
+ /* Force re-reading all values */
+ data->valid = 0;
+ mutex_unlock(&data->update_lock);
+
+ return 0;
+}
+
+static const struct dev_pm_ops w83627ehf_dev_pm_ops = {
+ .suspend = w83627ehf_suspend,
+ .resume = w83627ehf_resume,
+ .freeze = w83627ehf_suspend,
+ .restore = w83627ehf_resume,
+};
+
+#define W83627EHF_DEV_PM_OPS (&w83627ehf_dev_pm_ops)
+#else
+#define W83627EHF_DEV_PM_OPS NULL
+#endif /* CONFIG_PM */
+
static struct platform_driver w83627ehf_driver = {
.driver = {
.owner = THIS_MODULE,
.name = DRVNAME,
+ .pm = W83627EHF_DEV_PM_OPS,
},
.probe = w83627ehf_probe,
- .remove = __devexit_p(w83627ehf_remove),
+ .remove = w83627ehf_remove,
};
/* w83627ehf_find() looks for a '627 in the Super-I/O config space */
static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
struct w83627ehf_sio_data *sio_data)
{
- static const char __initdata sio_name_W83627EHF[] = "W83627EHF";
- static const char __initdata sio_name_W83627EHG[] = "W83627EHG";
- static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
- static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
- static const char __initdata sio_name_W83667HG[] = "W83667HG";
- static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
- static const char __initdata sio_name_NCT6775[] = "NCT6775F";
- static const char __initdata sio_name_NCT6776[] = "NCT6776F";
+ static const char sio_name_W83627EHF[] __initconst = "W83627EHF";
+ static const char sio_name_W83627EHG[] __initconst = "W83627EHG";
+ static const char sio_name_W83627DHG[] __initconst = "W83627DHG";
+ static const char sio_name_W83627DHG_P[] __initconst = "W83627DHG-P";
+ static const char sio_name_W83627UHG[] __initconst = "W83627UHG";
+ static const char sio_name_W83667HG[] __initconst = "W83667HG";
+ static const char sio_name_W83667HG_B[] __initconst = "W83667HG-B";
+ static const char sio_name_NCT6775[] __initconst = "NCT6775F";
+ static const char sio_name_NCT6776[] __initconst = "NCT6776F";
u16 val;
const char *sio_name;
@@ -2345,6 +2754,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
sio_data->kind = w83627dhg_p;
sio_name = sio_name_W83627DHG_P;
break;
+ case SIO_W83627UHG_ID:
+ sio_data->kind = w83627uhg;
+ sio_name = sio_name_W83627UHG;
+ break;
case SIO_W83667HG_ID:
sio_data->kind = w83667hg;
sio_name = sio_name_W83667HG;
@@ -2382,8 +2795,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
/* Activate logical device if needed */
val = superio_inb(sioaddr, SIO_REG_ENABLE);
if (!(val & 0x01)) {
- pr_warn("Forcibly enabling Super-I/O. "
- "Sensor is probably unusable.\n");
+ pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n");
superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
}
@@ -2394,10 +2806,12 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
return 0;
}
-/* when Super-I/O functions move to a separate file, the Super-I/O
+/*
+ * when Super-I/O functions move to a separate file, the Super-I/O
* bus will manage the lifetime of the device and this module will only keep
* track of the w83627ehf driver. But since we platform_device_alloc(), we
- * must keep track of the device */
+ * must keep track of the device
+ */
static struct platform_device *pdev;
static int __init sensors_w83627ehf_init(void)
@@ -2407,11 +2821,13 @@ static int __init sensors_w83627ehf_init(void)
struct resource res;
struct w83627ehf_sio_data sio_data;
- /* initialize sio_data->kind and sio_data->sioreg.
+ /*
+ * initialize sio_data->kind and sio_data->sioreg.
*
* when Super-I/O functions move to a separate file, the Super-I/O
* driver will probe 0x2e and 0x4e and auto-detect the presence of a
- * w83627ehf hardware monitor, and call probe() */
+ * w83627ehf hardware monitor, and call probe()
+ */
if (w83627ehf_find(0x2e, &address, &sio_data) &&
w83627ehf_find(0x4e, &address, &sio_data))
return -ENODEV;
@@ -2473,7 +2889,7 @@ static void __exit sensors_w83627ehf_exit(void)
platform_driver_unregister(&w83627ehf_driver);
}
-MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("W83627EHF driver");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-12 07:00:09 +0000