diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/lm85.c | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 3ff0285..cfc1ee9 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -39,7 +39,8 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); +I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100, + emc6d102); /* The LM85 registers */ @@ -59,6 +60,12 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_REG_COMPANY 0x3e #define LM85_REG_VERSTEP 0x3f + +#define ADT7468_REG_CFG5 0x7c +#define ADT7468_OFF64 0x01 +#define IS_ADT7468_OFF64(data) \ + ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) + /* These are the recognized values for the above regs */ #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 @@ -70,6 +77,8 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_VERSTEP_ADM1027 0x60 #define LM85_VERSTEP_ADT7463 0x62 #define LM85_VERSTEP_ADT7463C 0x6A +#define LM85_VERSTEP_ADT7468_1 0x71 +#define LM85_VERSTEP_ADT7468_2 0x72 #define LM85_VERSTEP_EMC6D100_A0 0x60 #define LM85_VERSTEP_EMC6D100_A1 0x61 #define LM85_VERSTEP_EMC6D102 0x65 @@ -306,6 +315,7 @@ struct lm85_data { u8 vid; /* Register value */ u8 vrm; /* VRM version */ u32 alarms; /* Register encoding, combined */ + u8 cfg5; /* Config Register 5 on ADT7468 */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; @@ -685,6 +695,9 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); @@ -708,6 +721,9 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); @@ -1163,6 +1179,10 @@ static int lm85_detect(struct i2c_client *client, int kind, case LM85_VERSTEP_ADT7463C: kind = adt7463; break; + case LM85_VERSTEP_ADT7468_1: + case LM85_VERSTEP_ADT7468_2: + kind = adt7468; + break; } } else if (company == LM85_COMPANY_SMSC) { switch (verstep) { @@ -1195,6 +1215,9 @@ static int lm85_detect(struct i2c_client *client, int kind, case adt7463: type_name = "adt7463"; break; + case adt7468: + type_name = "adt7468"; + break; case emc6d100: type_name = "emc6d100"; break; @@ -1246,10 +1269,11 @@ static int lm85_probe(struct i2c_client *client, if (err) goto err_kfree; - /* The ADT7463 has an optional VRM 10 mode where pin 21 is used + /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used as a sixth digital VID input rather than an analog input. */ data->vid = lm85_read_value(client, LM85_REG_VID); - if (!(data->type == adt7463 && (data->vid & 0x80))) + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4))) goto err_remove_files; @@ -1357,7 +1381,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) * There are 2 additional resolution bits per channel and we * have room for 4, so we shift them to the left. */ - if (data->type == adm1027 || data->type == adt7463) { + if (data->type == adm1027 || data->type == adt7463 || + data->type == adt7468) { int ext1 = lm85_read_value(client, ADM1027_REG_EXTEND_ADC1); int ext2 = lm85_read_value(client, @@ -1382,16 +1407,23 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); } + if (data->type == adt7468) + data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); + for (i = 0; i <= 2; ++i) { data->temp[i] = lm85_read_value(client, LM85_REG_TEMP(i)); data->pwm[i] = lm85_read_value(client, LM85_REG_PWM(i)); + + if (IS_ADT7468_OFF64(data)) + data->temp[i] -= 64; } data->alarms = lm85_read_value(client, LM85_REG_ALARM1); @@ -1446,7 +1478,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN_MIN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in_min[4] = lm85_read_value(client, LM85_REG_IN_MIN(4)); data->in_max[4] = lm85_read_value(client, @@ -1481,6 +1514,13 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); data->zone[i].critical = lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); + + if (IS_ADT7468_OFF64(data)) { + data->temp_min[i] -= 64; + data->temp_max[i] -= 64; + data->zone[i].limit -= 64; + data->zone[i].critical -= 64; + } } i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
