#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <linux/i2c-vid.h>
#include <asm/io.h>
#include "lm75.h"
-/* RT Table support #defined so we can take it out if it gets bothersome */
-#define W83781D_RT 1
-
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
: (val)) / 1000, 0, 0xff))
#define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
-#define AS99127_TEMP_ADD_TO_REG(val) (SENSORS_LIMIT((((val) < 0 ? (val)+0x10000*250 \
- : (val)) / 250) << 7, 0, 0xffff))
-#define AS99127_TEMP_ADD_FROM_REG(val) ((((val) & 0x8000 ? (val)-0x10000 : (val)) \
- >> 7) * 250)
-
#define ALARMS_FROM_REG(val) (val)
#define PWM_FROM_REG(val) (val)
#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
3000-5000 = thermistor beta.
Default = 3435.
Other Betas unimplemented */
-#ifdef W83781D_RT
- u8 rt[3][32]; /* Register value */
-#endif
u8 vrm;
};
u32 val; \
\
val = simple_strtoul(buf, NULL, 10) / 10; \
+ \
+ down(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
\
+ up(&data->update_lock); \
return count; \
}
store_in_reg(MIN, min);
u32 val;
val = simple_strtoul(buf, NULL, 10);
+
+ down(&data->update_lock);
data->fan_min[nr - 1] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
w83781d_write_value(client, W83781D_REG_FAN_MIN(nr),
data->fan_min[nr - 1]);
+ up(&data->update_lock);
return count;
}
{ \
struct w83781d_data *data = w83781d_update_device(dev); \
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
- if (data->type == as99127f) { \
- return sprintf(buf,"%ld\n", \
- (long)AS99127_TEMP_ADD_FROM_REG(data->reg##_add[nr-2])); \
- } else { \
- return sprintf(buf,"%d\n", \
- LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
- } \
+ return sprintf(buf,"%d\n", \
+ LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
} else { /* TEMP1 */ \
return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
} \
\
val = simple_strtol(buf, NULL, 10); \
\
+ down(&data->update_lock); \
+ \
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
- if (data->type == as99127f) \
- data->temp_##reg##_add[nr-2] = AS99127_TEMP_ADD_TO_REG(val); \
- else \
- data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
- \
+ data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \
data->temp_##reg##_add[nr-2]); \
} else { /* TEMP1 */ \
data->temp_##reg); \
} \
\
+ up(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, max);
val = simple_strtoul(buf, NULL, 10);
+ down(&data->update_lock);
+
if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
data->beep_mask = BEEP_MASK_TO_REG(val, data->type);
w83781d_write_value(client, W83781D_REG_BEEP_INTS1,
w83781d_write_value(client, W83781D_REG_BEEP_INTS2,
val2 | data->beep_enable << 7);
+ up(&data->update_lock);
return count;
}
struct w83781d_data *data = i2c_get_clientdata(client);
unsigned long min;
u8 reg;
+ unsigned long val = simple_strtoul(buf, NULL, 10);
+ down(&data->update_lock);
+
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
- data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10),
- data->type);
+ data->fan_div[nr] = DIV_TO_REG(val, data->type);
reg = (w83781d_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
& (nr==0 ? 0xcf : 0x3f))
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83781d_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+ up(&data->update_lock);
return count;
}
val = simple_strtoul(buf, NULL, 10);
+ down(&data->update_lock);
data->pwm[nr - 1] = PWM_TO_REG(val);
w83781d_write_value(client, W83781D_REG_PWM(nr), data->pwm[nr - 1]);
-
+ up(&data->update_lock);
return count;
}
val = simple_strtoul(buf, NULL, 10);
+ down(&data->update_lock);
+
switch (val) {
case 0:
case 1:
break;
default:
+ up(&data->update_lock);
return -EINVAL;
}
+ up(&data->update_lock);
return count;
}
val = simple_strtoul(buf, NULL, 10);
+ down(&data->update_lock);
+
switch (val) {
case 1: /* PII/Celeron diode */
tmp = w83781d_read_value(client, W83781D_REG_SCFG1);
break;
}
+ up(&data->update_lock);
return count;
}
device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
} while (0)
-#ifdef W83781D_RT
-static ssize_t
-show_rt_reg(struct device *dev, char *buf, int nr)
-{
- struct w83781d_data *data = w83781d_update_device(dev);
- int i, j = 0;
-
- for (i = 0; i < 32; i++) {
- if (i > 0)
- j += sprintf(buf, " %ld", (long) data->rt[nr - 1][i]);
- else
- j += sprintf(buf, "%ld", (long) data->rt[nr - 1][i]);
- }
- j += sprintf(buf, "\n");
-
- return j;
-}
-
-static ssize_t
-store_rt_reg(struct device *dev, const char *buf, size_t count, int nr)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct w83781d_data *data = i2c_get_clientdata(client);
- u32 val, i;
-
- for (i = 0; i < count; i++) {
- val = simple_strtoul(buf + count, NULL, 10);
-
- /* fixme: no bounds checking 0-255 */
- data->rt[nr - 1][i] = val & 0xff;
- w83781d_write_value(client, W83781D_REG_RT_IDX, i);
- w83781d_write_value(client, W83781D_REG_RT_VAL,
- data->rt[nr - 1][i]);
- }
-
- return count;
-}
-
-#define sysfs_rt(offset) \
-static ssize_t show_regs_rt_##offset (struct device *dev, char *buf) \
-{ \
- return show_rt_reg(dev, buf, offset); \
-} \
-static ssize_t store_regs_rt_##offset (struct device *dev, const char *buf, size_t count) \
-{ \
- return store_rt_reg(dev, buf, count, offset); \
-} \
-static DEVICE_ATTR(rt##offset, S_IRUGO | S_IWUSR, show_regs_rt_##offset, store_regs_rt_##offset);
-
-sysfs_rt(1);
-sysfs_rt(2);
-sysfs_rt(3);
-
-#define device_create_file_rt(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_rt##offset); \
-} while (0)
-
-#endif /* ifdef W83781D_RT */
-
/* This function is called when:
* w83781d_driver is inserted (when this module is loaded), for each
available adapter
}
if (is_isa)
- if (!request_region(address, W83781D_EXTENT, "w83781d")) {
+ if (!request_region(address, W83781D_EXTENT,
+ w83781d_driver.name)) {
dev_dbg(&adapter->dev, "Request of region "
"0x%x-0x%x for w83781d failed\n", address,
address + W83781D_EXTENT - 1);
if (kind != w83783s && kind != w83697hf)
device_create_file_sensor(new_client, 3);
}
-#ifdef W83781D_RT
- if (kind == w83781d) {
- device_create_file_rt(new_client, 1);
- device_create_file_rt(new_client, 2);
- device_create_file_rt(new_client, 3);
- }
-#endif
return 0;
break;
}
}
-#ifdef W83781D_RT
-/*
- Fill up the RT Tables.
- We assume that they are 32 bytes long, in order for temp 1-3.
- Data sheet documentation is sparse.
- We also assume that it is only for the 781D although I suspect
- that the others support it as well....
-*/
- if (init && type == w83781d) {
- u16 k = 0;
-/*
- Auto-indexing doesn't seem to work...
- w83781d_write_value(client,W83781D_REG_RT_IDX,0);
-*/
- for (i = 0; i < 3; i++) {
- int j;
- for (j = 0; j < 32; j++) {
- w83781d_write_value(client,
- W83781D_REG_RT_IDX, k++);
- data->rt[i][j] =
- w83781d_read_value(client,
- W83781D_REG_RT_VAL);
- }
+ if (init && type != as99127f) {
+ /* Enable temp2 */
+ tmp = w83781d_read_value(client, W83781D_REG_TEMP2_CONFIG);
+ if (tmp & 0x01) {
+ dev_warn(&client->dev, "Enabling temp2, readings "
+ "might not make sense\n");
+ w83781d_write_value(client, W83781D_REG_TEMP2_CONFIG,
+ tmp & 0xfe);
}
- }
-#endif /* W83781D_RT */
- if (init) {
+ /* Enable temp3 */
if (type != w83783s && type != w83697hf) {
- w83781d_write_value(client, W83781D_REG_TEMP3_CONFIG,
- 0x00);
+ tmp = w83781d_read_value(client,
+ W83781D_REG_TEMP3_CONFIG);
+ if (tmp & 0x01) {
+ dev_warn(&client->dev, "Enabling temp3, "
+ "readings might not make sense\n");
+ w83781d_write_value(client,
+ W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
+ }
}
+
if (type != w83781d) {
/* enable comparator mode for temp2 and temp3 so
alarm indication will work correctly */
down(&data->update_lock);
- if (time_after
- (jiffies - data->last_updated, (unsigned long) (HZ + HZ / 2))
- || time_before(jiffies, data->last_updated) || !data->valid) {
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+ || !data->valid) {
dev_dbg(dev, "Starting device update\n");
for (i = 0; i <= 8; i++) {
git://git.onelab.eu / linux-2.6.git / blobdiff