#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
-#include <linux/i2c-vid.h>
+#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
+#include <linux/hwmon-vid.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
-SENSORS_INSMOD_1(adm1026);
+I2C_CLIENT_INSMOD_1(adm1026);
static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1 };
struct adm1026_data {
struct i2c_client client;
- struct semaphore lock;
+ struct class_device *class_dev;
+ struct mutex lock;
enum chips type;
- struct semaphore update_lock;
+ struct mutex update_lock;
int valid; /* !=0 if following fields are valid */
unsigned long last_reading; /* In jiffies */
unsigned long last_config; /* In jiffies */
static int adm1026_detect(struct i2c_adapter *adapter, int address,
int kind);
static int adm1026_detach_client(struct i2c_client *client);
-static int adm1026_read_value(struct i2c_client *client, u8 register);
-static int adm1026_write_value(struct i2c_client *client, u8 register,
- int value);
+static int adm1026_read_value(struct i2c_client *client, u8 reg);
+static int adm1026_write_value(struct i2c_client *client, u8 reg, int value);
static void adm1026_print_gpio(struct i2c_client *client);
static void adm1026_fixup_gpio(struct i2c_client *client);
static struct adm1026_data *adm1026_update_device(struct device *dev);
static struct i2c_driver adm1026_driver = {
- .owner = THIS_MODULE,
- .name = "adm1026",
- .flags = I2C_DF_NOTIFY,
+ .driver = {
+ .name = "adm1026",
+ },
.attach_adapter = adm1026_attach_adapter,
.detach_client = adm1026_detach_client,
};
-int adm1026_attach_adapter(struct i2c_adapter *adapter)
+static int adm1026_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON)) {
return 0;
}
- return i2c_detect(adapter, &addr_data, adm1026_detect);
+ return i2c_probe(adapter, &addr_data, adm1026_detect);
}
-int adm1026_detach_client(struct i2c_client *client)
+static int adm1026_detach_client(struct i2c_client *client)
{
+ struct adm1026_data *data = i2c_get_clientdata(client);
+ hwmon_device_unregister(data->class_dev);
i2c_detach_client(client);
- kfree(i2c_get_clientdata(client));
+ kfree(data);
return 0;
}
-int adm1026_read_value(struct i2c_client *client, u8 reg)
+static int adm1026_read_value(struct i2c_client *client, u8 reg)
{
int res;
return res;
}
-int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
+static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
{
int res;
return res;
}
-void adm1026_init_client(struct i2c_client *client)
+static void adm1026_init_client(struct i2c_client *client)
{
int value, i;
struct adm1026_data *data = i2c_get_clientdata(client);
}
}
-void adm1026_print_gpio(struct i2c_client *client)
+static void adm1026_print_gpio(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
int i;
}
}
-void adm1026_fixup_gpio(struct i2c_client *client)
+static void adm1026_fixup_gpio(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
int i;
int i;
long value, alarms, gpio;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (!data->valid
|| time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
/* Things that change quickly */
dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
data->vid = (data->gpio >> 11) & 0x1f;
data->valid = 1;
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
data->fan_min[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
if (new_div == 0) {
return -EINVAL;
}
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
orig_div = data->fan_div[nr];
data->fan_div[nr] = DIV_FROM_REG(new_div);
if (data->fan_div[nr] != orig_div) {
fixup_fan_min(dev,nr,orig_div);
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
data->temp_min[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
data->temp_max[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_offset[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
data->temp_offset[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_tmin[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
data->temp_tmin[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int val = simple_strtol(buf, NULL, 10);
if ((val == 1) || (val==0)) {
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
adm1026_write_value(client, ADM1026_REG_CONFIG1,
data->config1);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
}
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_crit[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
data->temp_crit[nr]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->analog_out = DAC_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
struct adm1026_data *data = adm1026_update_device(dev);
return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
}
-/* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */
-static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL);
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)
int val = simple_strtol(buf, NULL, 10);
unsigned long mask;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->alarm_mask = val & 0x7fffffff;
mask = data->alarm_mask
| (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
mask >>= 8;
adm1026_write_value(client, ADM1026_REG_MASK4,
mask & 0xff);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int val = simple_strtol(buf, NULL, 10);
long gpio;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->gpio = val & 0x1ffff;
gpio = data->gpio;
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff);
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff);
gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
int val = simple_strtol(buf, NULL, 10);
long mask;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->gpio_mask = val & 0x1ffff;
mask = data->gpio_mask;
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff);
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff);
mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
if (data->pwm1.enable == 1) {
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->pwm1.pwm = PWM_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
}
return count;
}
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255);
if (data->pwm1.enable == 2) { /* apply immediately */
data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
int old_enable;
if ((val >= 0) && (val < 3)) {
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
old_enable = data->pwm1.enable;
data->pwm1.enable = val;
data->config1 = (data->config1 & ~CFG1_PWM_AFC)
adm1026_write_value(client, ADM1026_REG_PWM,
data->pwm1.pwm);
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
}
return count;
}
static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
-int adm1026_detect(struct i2c_adapter *adapter, int address,
- int kind)
+static int adm1026_detect(struct i2c_adapter *adapter, int address,
+ int kind)
{
int company, verstep;
struct i2c_client *new_client;
client structure, even though we cannot fill it completely yet.
But it allows us to access adm1026_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct adm1026_data));
-
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
/* Fill in the remaining client fields */
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)))
goto exitfree;
/* Set the VRM version */
- data->vrm = i2c_which_vrm();
+ data->vrm = vid_which_vrm();
/* Initialize the ADM1026 chip */
adm1026_init_client(new_client);
/* Register sysfs hooks */
+ data->class_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto exitdetach;
+ }
+
device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable);
device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable);
device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable);
- /* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */
- device_create_file(&new_client->dev, &dev_attr_vid);
device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
device_create_file(&new_client->dev, &dev_attr_vrm);
device_create_file(&new_client->dev, &dev_attr_alarms);
return 0;
/* Error out and cleanup code */
+exitdetach:
+ i2c_detach_client(new_client);
exitfree:
kfree(data);
exit:
git.openpandora.org / pandora-kernel.git / blobdiff