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yaml
---
r: 174321
b: refs/heads/master
c: 378933c
h: refs/heads/master
i:
  174319: 81b4457
v: v3
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Jean Delvare committed Dec 9, 2009
1 parent ec550d7 commit 87e7e2b
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Showing 2 changed files with 100 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0f14480b62235ef4fce1cd4755e1cde4c9be5f78
refs/heads/master: 378933c99402f26587ad80e97bff405265116f9e
114 changes: 99 additions & 15 deletions trunk/drivers/hwmon/adt7475.c
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,8 @@

#define REG_EXTEND1 0x76
#define REG_EXTEND2 0x77

#define REG_CONFIG3 0x78
#define REG_CONFIG5 0x7C
#define REG_CONFIG4 0x7D

Expand All @@ -88,6 +90,10 @@
#define REG_VTT_MIN 0x84 /* ADT7490 only */
#define REG_VTT_MAX 0x86 /* ADT7490 only */

#define CONFIG3_SMBALERT 0x01
#define CONFIG3_THERM 0x02

#define CONFIG4_PINFUNC 0x03
#define CONFIG4_MAXDUTY 0x08

#define CONFIG5_TWOSCOMP 0x01
Expand Down Expand Up @@ -149,6 +155,8 @@ struct adt7475_data {
u8 config4;
u8 config5;
u8 has_voltage;
u8 has_pwm2:1;
u8 has_fan4:1;
u32 alarms;
u16 voltage[3][6];
u16 temp[7][3];
Expand Down Expand Up @@ -1025,21 +1033,12 @@ static struct attribute *adt7475_attrs[] = {
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
&sensor_dev_attr_fan4_input.dev_attr.attr,
&sensor_dev_attr_fan4_min.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
Expand All @@ -1050,12 +1049,33 @@ static struct attribute *adt7475_attrs[] = {
NULL,
};

static struct attribute *fan4_attrs[] = {
&sensor_dev_attr_fan4_input.dev_attr.attr,
&sensor_dev_attr_fan4_min.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
NULL
};

static struct attribute *pwm2_attrs[] = {
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
NULL
};

/* Attributes specific to the ADT7490 */
static struct attribute *adt7490_attrs[] = {
static struct attribute *in0_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_max.dev_attr.attr,
&sensor_dev_attr_in0_min.dev_attr.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
NULL
};

static struct attribute *adt7490_attrs[] = {
&sensor_dev_attr_in3_input.dev_attr.attr,
&sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_min.dev_attr.attr,
Expand All @@ -1072,6 +1092,9 @@ static struct attribute *adt7490_attrs[] = {
};

static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs };
static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs };
static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs };
static struct attribute_group in0_attr_group = { .attrs = in0_attrs };
static struct attribute_group adt7490_attr_group = { .attrs = adt7490_attrs };

static int adt7475_detect(struct i2c_client *client, int kind,
Expand Down Expand Up @@ -1115,13 +1138,20 @@ static void adt7475_remove_files(struct i2c_client *client,
sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group);
if (data->has_voltage & 0x39)
sysfs_remove_group(&client->dev.kobj, &adt7490_attr_group);
if (data->has_fan4)
sysfs_remove_group(&client->dev.kobj, &fan4_attr_group);
if (data->has_pwm2)
sysfs_remove_group(&client->dev.kobj, &pwm2_attr_group);
if (data->has_voltage & (1 << 0))
sysfs_remove_group(&client->dev.kobj, &in0_attr_group);
}

static int adt7475_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adt7475_data *data;
int i, ret = 0;
int i, ret = 0, revision;
u8 config3;

data = kzalloc(sizeof(*data), GFP_KERNEL);
if (data == NULL)
Expand All @@ -1133,10 +1163,36 @@ static int adt7475_probe(struct i2c_client *client,
/* Initialize device-specific values */
switch (id->driver_data) {
case adt7490:
data->has_voltage = 0x3f; /* in0 to in5 */
data->has_voltage = 0x3e; /* in1 to in5 */
revision = adt7475_read(REG_DEVID2) & 0x03;
break;
default:
data->has_voltage = 0x06; /* in1, in2 */
revision = adt7475_read(REG_DEVID2) & 0x07;
}

config3 = adt7475_read(REG_CONFIG3);
/* Pin PWM2 may alternatively be used for ALERT output */
if (!(config3 & CONFIG3_SMBALERT))
data->has_pwm2 = 1;
/* Meaning of this bit is inverted for the ADT7473-1 */
if (id->driver_data == adt7473 && revision >= 1)
data->has_pwm2 = !data->has_pwm2;

data->config4 = adt7475_read(REG_CONFIG4);
/* Pin TACH4 may alternatively be used for THERM */
if ((data->config4 & CONFIG4_PINFUNC) == 0x0)
data->has_fan4 = 1;

/* THERM configuration is more complex on the ADT7490, because 2
different pins (TACH4 and +2.5 Vin) can be used for this function */
if (id->driver_data == adt7490) {
if ((data->config4 & CONFIG4_PINFUNC) == 0x1 &&
!(config3 & CONFIG3_THERM))
data->has_fan4 = 1;
if (!(config3 & CONFIG3_THERM) ||
(data->config4 & CONFIG4_PINFUNC) == 0x1)
data->has_voltage |= (1 << 0); /* in0 */
}

/* Call adt7475_read_pwm for all pwm's as this will reprogram any
Expand All @@ -1155,6 +1211,23 @@ static int adt7475_probe(struct i2c_client *client,
goto eremove;
}

/* Features that can be disabled individually */
if (data->has_fan4) {
ret = sysfs_create_group(&client->dev.kobj, &fan4_attr_group);
if (ret)
goto eremove;
}
if (data->has_pwm2) {
ret = sysfs_create_group(&client->dev.kobj, &pwm2_attr_group);
if (ret)
goto eremove;
}
if (data->has_voltage & (1 << 0)) {
ret = sysfs_create_group(&client->dev.kobj, &in0_attr_group);
if (ret)
goto eremove;
}

data->hwmon_dev = hwmon_device_register(&client->dev);
if (IS_ERR(data->hwmon_dev)) {
ret = PTR_ERR(data->hwmon_dev);
Expand Down Expand Up @@ -1293,13 +1366,19 @@ static struct adt7475_data *adt7475_update_device(struct device *dev)
((ext >> 4) & 3);
}

for (i = 0; i < ADT7475_TACH_COUNT; i++)
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
if (i == 3 && !data->has_fan4)
continue;
data->tach[INPUT][i] =
adt7475_read_word(client, TACH_REG(i));
}

/* Updated by hw when in auto mode */
for (i = 0; i < ADT7475_PWM_COUNT; i++)
for (i = 0; i < ADT7475_PWM_COUNT; i++) {
if (i == 1 && !data->has_pwm2)
continue;
data->pwm[INPUT][i] = adt7475_read(PWM_REG(i));
}

data->measure_updated = jiffies;
}
Expand Down Expand Up @@ -1340,11 +1419,16 @@ static struct adt7475_data *adt7475_update_device(struct device *dev)
}
adt7475_read_hystersis(client);

for (i = 0; i < ADT7475_TACH_COUNT; i++)
for (i = 0; i < ADT7475_TACH_COUNT; i++) {
if (i == 3 && !data->has_fan4)
continue;
data->tach[MIN][i] =
adt7475_read_word(client, TACH_MIN_REG(i));
}

for (i = 0; i < ADT7475_PWM_COUNT; i++) {
if (i == 1 && !data->has_pwm2)
continue;
data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i));
data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i));
/* Set the channel and control information */
Expand Down

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