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authorDave Jones <davej@redhat.com>2006-12-12 18:13:32 -0500
committerDave Jones <davej@redhat.com>2006-12-12 18:13:32 -0500
commitf0eef25339f92f7cd4aeea23d9ae97987a5a1e82 (patch)
tree2472e94d39f43a9580a6d2d5d92de0b749023263 /drivers/hwmon/w83781d.c
parent0cfea5dd98205f2fa318836da664a7d7df1afbc1 (diff)
parente1036502e5263851259d147771226161e5ccc85a (diff)
Merge ../linus
Diffstat (limited to 'drivers/hwmon/w83781d.c')
-rw-r--r--drivers/hwmon/w83781d.c298
1 files changed, 155 insertions, 143 deletions
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 7be469ed0f8..1232171c3aa 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -41,6 +41,7 @@
#include <linux/i2c-isa.h>
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
+#include <linux/sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
@@ -288,6 +289,7 @@ static struct i2c_driver w83781d_driver = {
static struct i2c_driver w83781d_isa_driver = {
.driver = {
+ .owner = THIS_MODULE,
.name = "w83781d-isa",
},
.attach_adapter = w83781d_isa_attach_adapter,
@@ -359,13 +361,6 @@ sysfs_in_offsets(6);
sysfs_in_offsets(7);
sysfs_in_offsets(8);
-#define device_create_file_in(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_in##offset##_input); \
-device_create_file(&client->dev, &dev_attr_in##offset##_min); \
-device_create_file(&client->dev, &dev_attr_in##offset##_max); \
-} while (0)
-
#define show_fan_reg(reg) \
static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
{ \
@@ -420,12 +415,6 @@ sysfs_fan_min_offset(2);
sysfs_fan_offset(3);
sysfs_fan_min_offset(3);
-#define device_create_file_fan(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
-device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
-} while (0)
-
#define show_temp_reg(reg) \
static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
{ \
@@ -496,13 +485,6 @@ sysfs_temp_offsets(1);
sysfs_temp_offsets(2);
sysfs_temp_offsets(3);
-#define device_create_file_temp(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
-device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
-device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
-} while (0)
-
static ssize_t
show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -510,10 +492,8 @@ show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
-static
-DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
-#define device_create_file_vid(client) \
-device_create_file(&client->dev, &dev_attr_cpu0_vid);
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+
static ssize_t
show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -534,10 +514,8 @@ store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf
return count;
}
-static
-DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
-#define device_create_file_vrm(client) \
-device_create_file(&client->dev, &dev_attr_vrm);
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+
static ssize_t
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
@@ -545,10 +523,8 @@ show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%u\n", data->alarms);
}
-static
-DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
-#define device_create_file_alarms(client) \
-device_create_file(&client->dev, &dev_attr_alarms);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
+
static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83781d_data *data = w83781d_update_device(dev);
@@ -614,12 +590,6 @@ static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, show_regs_beep_##reg, store_re
sysfs_beep(ENABLE, enable);
sysfs_beep(MASK, mask);
-#define device_create_file_beep(client) \
-do { \
-device_create_file(&client->dev, &dev_attr_beep_enable); \
-device_create_file(&client->dev, &dev_attr_beep_mask); \
-} while (0)
-
static ssize_t
show_fan_div_reg(struct device *dev, char *buf, int nr)
{
@@ -685,11 +655,6 @@ sysfs_fan_div(1);
sysfs_fan_div(2);
sysfs_fan_div(3);
-#define device_create_file_fan_div(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
-} while (0)
-
static ssize_t
show_pwm_reg(struct device *dev, char *buf, int nr)
{
@@ -786,16 +751,6 @@ sysfs_pwmenable(2); /* only PWM2 can be enabled/disabled */
sysfs_pwm(3);
sysfs_pwm(4);
-#define device_create_file_pwm(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_pwm##offset); \
-} while (0)
-
-#define device_create_file_pwmenable(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_pwm##offset##_enable); \
-} while (0)
-
static ssize_t
show_sensor_reg(struct device *dev, char *buf, int nr)
{
@@ -864,11 +819,6 @@ sysfs_sensor(1);
sysfs_sensor(2);
sysfs_sensor(3);
-#define device_create_file_sensor(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
-} while (0)
-
/* This function is called when:
* w83781d_driver is inserted (when this module is loaded), for each
available adapter
@@ -993,11 +943,69 @@ ERROR_SC_0:
return err;
}
+#define IN_UNIT_ATTRS(X) \
+ &dev_attr_in##X##_input.attr, \
+ &dev_attr_in##X##_min.attr, \
+ &dev_attr_in##X##_max.attr
+
+#define FAN_UNIT_ATTRS(X) \
+ &dev_attr_fan##X##_input.attr, \
+ &dev_attr_fan##X##_min.attr, \
+ &dev_attr_fan##X##_div.attr
+
+#define TEMP_UNIT_ATTRS(X) \
+ &dev_attr_temp##X##_input.attr, \
+ &dev_attr_temp##X##_max.attr, \
+ &dev_attr_temp##X##_max_hyst.attr
+
+static struct attribute* w83781d_attributes[] = {
+ IN_UNIT_ATTRS(0),
+ IN_UNIT_ATTRS(2),
+ IN_UNIT_ATTRS(3),
+ IN_UNIT_ATTRS(4),
+ IN_UNIT_ATTRS(5),
+ IN_UNIT_ATTRS(6),
+ FAN_UNIT_ATTRS(1),
+ FAN_UNIT_ATTRS(2),
+ FAN_UNIT_ATTRS(3),
+ TEMP_UNIT_ATTRS(1),
+ TEMP_UNIT_ATTRS(2),
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_vrm.attr,
+ &dev_attr_alarms.attr,
+ &dev_attr_beep_mask.attr,
+ &dev_attr_beep_enable.attr,
+ NULL
+};
+static const struct attribute_group w83781d_group = {
+ .attrs = w83781d_attributes,
+};
+
+static struct attribute *w83781d_attributes_opt[] = {
+ IN_UNIT_ATTRS(1),
+ IN_UNIT_ATTRS(7),
+ IN_UNIT_ATTRS(8),
+ TEMP_UNIT_ATTRS(3),
+ &dev_attr_pwm1.attr,
+ &dev_attr_pwm2.attr,
+ &dev_attr_pwm2_enable.attr,
+ &dev_attr_pwm3.attr,
+ &dev_attr_pwm4.attr,
+ &dev_attr_temp1_type.attr,
+ &dev_attr_temp2_type.attr,
+ &dev_attr_temp3_type.attr,
+ NULL
+};
+static const struct attribute_group w83781d_group_opt = {
+ .attrs = w83781d_attributes_opt,
+};
+
static int
w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i = 0, val1 = 0, val2;
- struct i2c_client *new_client;
+ struct i2c_client *client;
+ struct device *dev;
struct w83781d_data *data;
int err;
const char *client_name = "";
@@ -1074,13 +1082,14 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
goto ERROR1;
}
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
- new_client->addr = address;
+ client = &data->client;
+ i2c_set_clientdata(client, data);
+ client->addr = address;
mutex_init(&data->lock);
- new_client->adapter = adapter;
- new_client->driver = is_isa ? &w83781d_isa_driver : &w83781d_driver;
- new_client->flags = 0;
+ client->adapter = adapter;
+ client->driver = is_isa ? &w83781d_isa_driver : &w83781d_driver;
+ client->flags = 0;
+ dev = &client->dev;
/* Now, we do the remaining detection. */
@@ -1089,20 +1098,20 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
force_*=... parameter, and the Winbond will be reset to the right
bank. */
if (kind < 0) {
- if (w83781d_read_value(new_client, W83781D_REG_CONFIG) & 0x80) {
- dev_dbg(&new_client->dev, "Detection failed at step "
- "3\n");
+ if (w83781d_read_value(client, W83781D_REG_CONFIG) & 0x80) {
+ dev_dbg(&adapter->dev, "Detection of w83781d chip "
+ "failed at step 3\n");
err = -ENODEV;
goto ERROR2;
}
- val1 = w83781d_read_value(new_client, W83781D_REG_BANK);
- val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN);
+ val1 = w83781d_read_value(client, W83781D_REG_BANK);
+ val2 = w83781d_read_value(client, W83781D_REG_CHIPMAN);
/* Check for Winbond or Asus ID if in bank 0 */
if ((!(val1 & 0x07)) &&
(((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3))
|| ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) {
- dev_dbg(&new_client->dev, "Detection failed at step "
- "4\n");
+ dev_dbg(&adapter->dev, "Detection of w83781d chip "
+ "failed at step 4\n");
err = -ENODEV;
goto ERROR2;
}
@@ -1111,9 +1120,9 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
if ((!is_isa) && (((!(val1 & 0x80)) && (val2 == 0xa3)) ||
((val1 & 0x80) && (val2 == 0x5c)))) {
if (w83781d_read_value
- (new_client, W83781D_REG_I2C_ADDR) != address) {
- dev_dbg(&new_client->dev, "Detection failed "
- "at step 5\n");
+ (client, W83781D_REG_I2C_ADDR) != address) {
+ dev_dbg(&adapter->dev, "Detection of w83781d "
+ "chip failed at step 5\n");
err = -ENODEV;
goto ERROR2;
}
@@ -1122,27 +1131,26 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
/* We have either had a force parameter, or we have already detected the
Winbond. Put it now into bank 0 and Vendor ID High Byte */
- w83781d_write_value(new_client, W83781D_REG_BANK,
- (w83781d_read_value(new_client,
- W83781D_REG_BANK) & 0x78) |
- 0x80);
+ w83781d_write_value(client, W83781D_REG_BANK,
+ (w83781d_read_value(client, W83781D_REG_BANK)
+ & 0x78) | 0x80);
/* Determine the chip type. */
if (kind <= 0) {
/* get vendor ID */
- val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN);
+ val2 = w83781d_read_value(client, W83781D_REG_CHIPMAN);
if (val2 == 0x5c)
vendid = winbond;
else if (val2 == 0x12)
vendid = asus;
else {
- dev_dbg(&new_client->dev, "Chip was made by neither "
- "Winbond nor Asus?\n");
+ dev_dbg(&adapter->dev, "w83781d chip vendor is "
+ "neither Winbond nor Asus\n");
err = -ENODEV;
goto ERROR2;
}
- val1 = w83781d_read_value(new_client, W83781D_REG_WCHIPID);
+ val1 = w83781d_read_value(client, W83781D_REG_WCHIPID);
if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond)
kind = w83781d;
else if (val1 == 0x30 && vendid == winbond)
@@ -1156,10 +1164,9 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
kind = as99127f;
else {
if (kind == 0)
- dev_warn(&new_client->dev, "Ignoring 'force' "
+ dev_warn(&adapter->dev, "Ignoring 'force' "
"parameter for unknown chip at "
- "adapter %d, address 0x%02x\n",
- i2c_adapter_id(adapter), address);
+ "address 0x%02x\n", address);
err = -EINVAL;
goto ERROR2;
}
@@ -1178,20 +1185,20 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* Fill in the remaining client fields and put into the global list */
- strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+ strlcpy(client->name, client_name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(new_client)))
+ if ((err = i2c_attach_client(client)))
goto ERROR2;
/* attach secondary i2c lm75-like clients */
if (!is_isa) {
if ((err = w83781d_detect_subclients(adapter, address,
- kind, new_client)))
+ kind, client)))
goto ERROR3;
} else {
data->lm75[0] = NULL;
@@ -1199,11 +1206,11 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* Initialize the chip */
- w83781d_init_client(new_client);
+ w83781d_init_client(client);
/* A few vars need to be filled upon startup */
for (i = 1; i <= 3; i++) {
- data->fan_min[i - 1] = w83781d_read_value(new_client,
+ data->fan_min[i - 1] = w83781d_read_value(client,
W83781D_REG_FAN_MIN(i));
}
if (kind != w83781d && kind != as99127f)
@@ -1211,65 +1218,68 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
data->pwmenable[i] = 1;
/* Register sysfs hooks */
- data->class_dev = hwmon_device_register(&new_client->dev);
- if (IS_ERR(data->class_dev)) {
- err = PTR_ERR(data->class_dev);
+ if ((err = sysfs_create_group(&dev->kobj, &w83781d_group)))
goto ERROR4;
- }
- device_create_file_in(new_client, 0);
- if (kind != w83783s)
- device_create_file_in(new_client, 1);
- device_create_file_in(new_client, 2);
- device_create_file_in(new_client, 3);
- device_create_file_in(new_client, 4);
- device_create_file_in(new_client, 5);
- device_create_file_in(new_client, 6);
+ if (kind != w83783s) {
+ if ((err = device_create_file(dev, &dev_attr_in1_input))
+ || (err = device_create_file(dev, &dev_attr_in1_min))
+ || (err = device_create_file(dev, &dev_attr_in1_max)))
+ goto ERROR4;
+ }
if (kind != as99127f && kind != w83781d && kind != w83783s) {
- device_create_file_in(new_client, 7);
- device_create_file_in(new_client, 8);
+ if ((err = device_create_file(dev, &dev_attr_in7_input))
+ || (err = device_create_file(dev, &dev_attr_in7_min))
+ || (err = device_create_file(dev, &dev_attr_in7_max))
+ || (err = device_create_file(dev, &dev_attr_in8_input))
+ || (err = device_create_file(dev, &dev_attr_in8_min))
+ || (err = device_create_file(dev, &dev_attr_in8_max)))
+ goto ERROR4;
+ }
+ if (kind != w83783s) {
+ if ((err = device_create_file(dev, &dev_attr_temp3_input))
+ || (err = device_create_file(dev, &dev_attr_temp3_max))
+ || (err = device_create_file(dev,
+ &dev_attr_temp3_max_hyst)))
+ goto ERROR4;
}
-
- device_create_file_fan(new_client, 1);
- device_create_file_fan(new_client, 2);
- device_create_file_fan(new_client, 3);
-
- device_create_file_temp(new_client, 1);
- device_create_file_temp(new_client, 2);
- if (kind != w83783s)
- device_create_file_temp(new_client, 3);
-
- device_create_file_vid(new_client);
- device_create_file_vrm(new_client);
-
- device_create_file_fan_div(new_client, 1);
- device_create_file_fan_div(new_client, 2);
- device_create_file_fan_div(new_client, 3);
-
- device_create_file_alarms(new_client);
-
- device_create_file_beep(new_client);
if (kind != w83781d && kind != as99127f) {
- device_create_file_pwm(new_client, 1);
- device_create_file_pwm(new_client, 2);
- device_create_file_pwmenable(new_client, 2);
+ if ((err = device_create_file(dev, &dev_attr_pwm1))
+ || (err = device_create_file(dev, &dev_attr_pwm2))
+ || (err = device_create_file(dev, &dev_attr_pwm2_enable)))
+ goto ERROR4;
}
if (kind == w83782d && !is_isa) {
- device_create_file_pwm(new_client, 3);
- device_create_file_pwm(new_client, 4);
+ if ((err = device_create_file(dev, &dev_attr_pwm3))
+ || (err = device_create_file(dev, &dev_attr_pwm4)))
+ goto ERROR4;
}
if (kind != as99127f && kind != w83781d) {
- device_create_file_sensor(new_client, 1);
- device_create_file_sensor(new_client, 2);
- if (kind != w83783s)
- device_create_file_sensor(new_client, 3);
+ if ((err = device_create_file(dev, &dev_attr_temp1_type))
+ || (err = device_create_file(dev,
+ &dev_attr_temp2_type)))
+ goto ERROR4;
+ if (kind != w83783s) {
+ if ((err = device_create_file(dev,
+ &dev_attr_temp3_type)))
+ goto ERROR4;
+ }
+ }
+
+ data->class_dev = hwmon_device_register(dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto ERROR4;
}
return 0;
ERROR4:
+ sysfs_remove_group(&dev->kobj, &w83781d_group);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
+
if (data->lm75[1]) {
i2c_detach_client(data->lm75[1]);
kfree(data->lm75[1]);
@@ -1279,7 +1289,7 @@ ERROR4:
kfree(data->lm75[0]);
}
ERROR3:
- i2c_detach_client(new_client);
+ i2c_detach_client(client);
ERROR2:
kfree(data);
ERROR1:
@@ -1296,9 +1306,11 @@ w83781d_detach_client(struct i2c_client *client)
int err;
/* main client */
- if (data)
+ if (data) {
hwmon_device_unregister(data->class_dev);
-
+ sysfs_remove_group(&client->dev.kobj, &w83781d_group);
+ sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt);
+ }
if (i2c_is_isa_client(client))
release_region(client->addr, W83781D_EXTENT);
@@ -1675,11 +1687,10 @@ sensors_w83781d_init(void)
if (res)
return res;
- res = i2c_isa_add_driver(&w83781d_isa_driver);
- if (res) {
- i2c_del_driver(&w83781d_driver);
- return res;
- }
+ /* Don't exit if this one fails, we still want the I2C variants
+ to work! */
+ if (i2c_isa_add_driver(&w83781d_isa_driver))
+ isa_address = 0;
return 0;
}
@@ -1687,7 +1698,8 @@ sensors_w83781d_init(void)
static void __exit
sensors_w83781d_exit(void)
{
- i2c_isa_del_driver(&w83781d_isa_driver);
+ if (isa_address)
+ i2c_isa_del_driver(&w83781d_isa_driver);
i2c_del_driver(&w83781d_driver);
}