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Diffstat (limited to 'drivers/hwmon/w83627hf.c')
-rw-r--r--drivers/hwmon/w83627hf.c134
1 files changed, 89 insertions, 45 deletions
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 7ea441d4da63..71fb7f1af8f5 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -28,6 +28,7 @@
w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC)
w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC)
+ w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC)
w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC)
For other winbond chips, and for i2c support in the above chips,
@@ -46,6 +47,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include "lm75.h"
@@ -62,7 +64,7 @@ MODULE_PARM_DESC(force_i2c,
static unsigned short address;
/* Insmod parameters */
-enum chips { any_chip, w83627hf, w83627thf, w83697hf, w83637hf };
+enum chips { any_chip, w83627hf, w83627thf, w83697hf, w83637hf, w83687thf };
static int reset;
module_param(reset, bool, 0);
@@ -100,6 +102,10 @@ static int VAL; /* The value to read/write */
#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
#define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
+#define W83687THF_VID_EN 0x29 /* w83687thf only */
+#define W83687THF_VID_CFG 0xF0 /* w83687thf only */
+#define W83687THF_VID_DATA 0xF1 /* w83687thf only */
+
static inline void
superio_outb(int reg, int val)
{
@@ -138,6 +144,7 @@ superio_exit(void)
#define W627THF_DEVID 0x82
#define W697_DEVID 0x60
#define W637_DEVID 0x70
+#define W687THF_DEVID 0x85
#define WINB_ACT_REG 0x30
#define WINB_BASE_REG 0x60
/* Constants specified below */
@@ -201,11 +208,11 @@ superio_exit(void)
#define W83627HF_REG_PWM1 0x5A
#define W83627HF_REG_PWM2 0x5B
-#define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */
-#define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */
-#define W83627THF_REG_PWM3 0x11 /* 637HF too */
+#define W83627THF_REG_PWM1 0x01 /* 697HF/637HF/687THF too */
+#define W83627THF_REG_PWM2 0x03 /* 697HF/637HF/687THF too */
+#define W83627THF_REG_PWM3 0x11 /* 637HF/687THF too */
-#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */
+#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF/687THF too */
static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
@@ -285,10 +292,10 @@ static inline u8 DIV_TO_REG(long val)
struct w83627hf_data {
struct i2c_client client;
struct class_device *class_dev;
- struct semaphore lock;
+ struct mutex lock;
enum chips type;
- struct semaphore update_lock;
+ struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@@ -318,16 +325,15 @@ struct w83627hf_data {
Default = 3435.
Other Betas unimplemented */
u8 vrm;
- u8 vrm_ovt; /* Register value, 627thf & 637hf only */
+ u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */
};
static int w83627hf_detect(struct i2c_adapter *adapter);
static int w83627hf_detach_client(struct i2c_client *client);
-static int w83627hf_read_value(struct i2c_client *client, u16 register);
-static int w83627hf_write_value(struct i2c_client *client, u16 register,
- u16 value);
+static int w83627hf_read_value(struct i2c_client *client, u16 reg);
+static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value);
static struct w83627hf_data *w83627hf_update_device(struct device *dev);
static void w83627hf_init_client(struct i2c_client *client);
@@ -360,12 +366,12 @@ store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
\
val = simple_strtoul(buf, NULL, 10); \
\
- down(&data->update_lock); \
+ mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
data->in_##reg[nr]); \
\
- up(&data->update_lock); \
+ mutex_unlock(&data->update_lock); \
return count; \
}
store_in_reg(MIN, min)
@@ -413,7 +419,8 @@ static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
long in0;
if ((data->vrm_ovt & 0x01) &&
- (w83627thf == data->type || w83637hf == data->type))
+ (w83627thf == data->type || w83637hf == data->type
+ || w83687thf == data->type))
/* use VRM9 calculation */
in0 = (long)((reg * 488 + 70000 + 50) / 100);
@@ -451,10 +458,11 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
- (w83627thf == data->type || w83637hf == data->type))
+ (w83627thf == data->type || w83637hf == data->type
+ || w83687thf == data->type))
/* use VRM9 calculation */
data->in_min[0] =
@@ -465,7 +473,7 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
data->in_min[0] = IN_TO_REG(val);
w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -478,10 +486,11 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
- (w83627thf == data->type || w83637hf == data->type))
+ (w83627thf == data->type || w83637hf == data->type
+ || w83687thf == data->type))
/* use VRM9 calculation */
data->in_max[0] =
@@ -492,7 +501,7 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
data->in_max[0] = IN_TO_REG(val);
w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -529,13 +538,13 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_min[nr - 1] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
data->fan_min[nr - 1]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -597,7 +606,7 @@ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
\
val = simple_strtoul(buf, NULL, 10); \
\
- down(&data->update_lock); \
+ mutex_lock(&data->update_lock); \
\
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
@@ -609,7 +618,7 @@ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
data->temp_##reg); \
} \
\
- up(&data->update_lock); \
+ mutex_unlock(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, max);
@@ -718,7 +727,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
data->beep_mask = BEEP_MASK_TO_REG(val);
@@ -736,7 +745,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
val2 | data->beep_enable << 7);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -783,7 +792,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
u8 reg;
unsigned long val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
@@ -805,7 +814,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -848,7 +857,7 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (data->type == w83627thf) {
/* bits 0-3 are reserved in 627THF */
@@ -865,7 +874,7 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
data->pwm[nr - 1]);
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -907,7 +916,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
switch (val) {
case 1: /* PII/Celeron diode */
@@ -941,7 +950,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
break;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -980,7 +989,8 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr)
if(val != W627_DEVID &&
val != W627THF_DEVID &&
val != W697_DEVID &&
- val != W637_DEVID) {
+ val != W637_DEVID &&
+ val != W687THF_DEVID) {
superio_exit();
return -ENODEV;
}
@@ -1034,6 +1044,8 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
kind = w83627thf;
else if(val == W637_DEVID)
kind = w83637hf;
+ else if (val == W687THF_DEVID)
+ kind = w83687thf;
else {
dev_info(&adapter->dev,
"Unsupported chip (dev_id=0x%02X).\n", val);
@@ -1057,7 +1069,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
- init_MUTEX(&data->lock);
+ mutex_init(&data->lock);
new_client->adapter = adapter;
new_client->driver = &w83627hf_driver;
new_client->flags = 0;
@@ -1071,13 +1083,15 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
client_name = "w83697hf";
} else if (kind == w83637hf) {
client_name = "w83637hf";
+ } else if (kind == w83687thf) {
+ client_name = "w83687thf";
}
/* Fill in the remaining client fields and put into the global list */
strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
- init_MUTEX(&data->update_lock);
+ mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@@ -1106,7 +1120,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
device_create_file_in(new_client, 2);
device_create_file_in(new_client, 3);
device_create_file_in(new_client, 4);
- if (kind != w83627thf && kind != w83637hf) {
+ if (kind == w83627hf || kind == w83697hf) {
device_create_file_in(new_client, 5);
device_create_file_in(new_client, 6);
}
@@ -1139,7 +1153,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
device_create_file_pwm(new_client, 1);
device_create_file_pwm(new_client, 2);
- if (kind == w83627thf || kind == w83637hf)
+ if (kind == w83627thf || kind == w83637hf || kind == w83687thf)
device_create_file_pwm(new_client, 3);
device_create_file_sensor(new_client, 1);
@@ -1187,7 +1201,7 @@ static int w83627hf_read_value(struct i2c_client *client, u16 reg)
struct w83627hf_data *data = i2c_get_clientdata(client);
int res, word_sized;
- down(&data->lock);
+ mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x50)
@@ -1213,7 +1227,7 @@ static int w83627hf_read_value(struct i2c_client *client, u16 reg)
client->addr + W83781D_ADDR_REG_OFFSET);
outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
}
- up(&data->lock);
+ mutex_unlock(&data->lock);
return res;
}
@@ -1247,12 +1261,39 @@ exit:
return res;
}
+static int w83687thf_read_vid(struct i2c_client *client)
+{
+ int res = 0xff;
+
+ superio_enter();
+ superio_select(W83627HF_LD_HWM);
+
+ /* Make sure these GPIO pins are enabled */
+ if (!(superio_inb(W83687THF_VID_EN) & (1 << 2))) {
+ dev_dbg(&client->dev, "VID disabled, no VID function\n");
+ goto exit;
+ }
+
+ /* Make sure the pins are configured for input */
+ if (!(superio_inb(W83687THF_VID_CFG) & (1 << 4))) {
+ dev_dbg(&client->dev, "VID configured as output, "
+ "no VID function\n");
+ goto exit;
+ }
+
+ res = superio_inb(W83687THF_VID_DATA) & 0x3f;
+
+exit:
+ superio_exit();
+ return res;
+}
+
static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
{
struct w83627hf_data *data = i2c_get_clientdata(client);
int word_sized;
- down(&data->lock);
+ mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x53)
@@ -1277,7 +1318,7 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
client->addr + W83781D_ADDR_REG_OFFSET);
outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
}
- up(&data->lock);
+ mutex_unlock(&data->lock);
return 0;
}
@@ -1324,10 +1365,13 @@ static void w83627hf_init_client(struct i2c_client *client)
data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
} else if (w83627thf == data->type) {
data->vid = w83627thf_read_gpio5(client);
+ } else if (w83687thf == data->type) {
+ data->vid = w83687thf_read_vid(client);
}
/* Read VRM & OVT Config only once */
- if (w83627thf == data->type || w83637hf == data->type) {
+ if (w83627thf == data->type || w83637hf == data->type
+ || w83687thf == data->type) {
data->vrm_ovt =
w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
}
@@ -1387,14 +1431,14 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
struct w83627hf_data *data = i2c_get_clientdata(client);
int i;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
for (i = 0; i <= 8; i++) {
/* skip missing sensors */
if (((data->type == w83697hf) && (i == 1)) ||
- ((data->type == w83627thf || data->type == w83637hf)
+ ((data->type != w83627hf && data->type != w83697hf)
&& (i == 5 || i == 6)))
continue;
data->in[i] =
@@ -1470,7 +1514,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}