diff --git a/packages/base/any/kernels/modules/ym2651y.c b/packages/base/any/kernels/modules/ym2651y.c index 649200d2..8e8cc540 100644 --- a/packages/base/any/kernels/modules/ym2651y.c +++ b/packages/base/any/kernels/modules/ym2651y.c @@ -33,705 +33,716 @@ #include #include -#define MAX_FAN_DUTY_CYCLE 100 -#define I2C_RW_RETRY_COUNT 10 -#define I2C_RW_RETRY_INTERVAL 60 /* ms */ +#define MAX_FAN_DUTY_CYCLE 100 +#define I2C_RW_RETRY_COUNT 10 +#define I2C_RW_RETRY_INTERVAL 60 /* ms */ + +static int support_i2c_block = 1; // 1: support I2C_FUNC_SMBUS_I2C_BLOCK 0: not support /* Addresses scanned */ static const unsigned short normal_i2c[] = { I2C_CLIENT_END }; enum chips { - YM2651, - YM2401, - YM2851, + YM2651, + YM2401, + YM2851, + YM1921, }; /* Each client has this additional data */ struct ym2651y_data { - struct device *hwmon_dev; - struct mutex update_lock; - char valid; /* !=0 if registers are valid */ - unsigned long last_updated; /* In jiffies */ - u8 chip; /* chip id */ - u8 capability; /* Register value */ - u16 status_word; /* Register value */ - u8 fan_fault; /* Register value */ - u8 over_temp; /* Register value */ - u16 v_out; /* Register value */ - u16 i_out; /* Register value */ - u16 p_out; /* Register value */ - u8 vout_mode; /* Register value */ - u16 temp; /* Register value */ - u16 fan_speed; /* Register value */ - u16 fan_duty_cycle[2]; /* Register value */ - u8 fan_dir[5]; /* Register value */ - u8 pmbus_revision; /* Register value */ - u8 mfr_id[10]; /* Register value */ - u8 mfr_model[16]; /* Register value */ - u8 mfr_revsion[3]; /* Register value */ - u8 mfr_serial[20]; /* Register value */ - u16 mfr_vin_min; /* Register value */ - u16 mfr_vin_max; /* Register value */ - u16 mfr_iin_max; /* Register value */ - u16 mfr_iout_max; /* Register value */ - u16 mfr_pin_max; /* Register value */ - u16 mfr_pout_max; /* Register value */ - u16 mfr_vout_min; /* Register value */ - u16 mfr_vout_max; /* Register value */ + struct device *hwmon_dev; + struct mutex update_lock; + char valid; /* !=0 if registers are valid */ + unsigned long last_updated; /* In jiffies */ + u8 chip; /* chip id */ + u8 capability; /* Register value */ + u16 status_word; /* Register value */ + u8 fan_fault; /* Register value */ + u8 over_temp; /* Register value */ + u16 v_out; /* Register value */ + u16 i_out; /* Register value */ + u16 p_out; /* Register value */ + u8 vout_mode; /* Register value */ + u16 temp; /* Register value */ + u16 fan_speed; /* Register value */ + u16 fan_duty_cycle[2]; /* Register value */ + u8 fan_dir[5]; /* Register value */ + u8 pmbus_revision; /* Register value */ + u8 mfr_id[10]; /* Register value */ + u8 mfr_model[16]; /* Register value */ + u8 mfr_revsion[3]; /* Register value */ + u8 mfr_serial[20]; /* Register value */ + u16 mfr_vin_min; /* Register value */ + u16 mfr_vin_max; /* Register value */ + u16 mfr_iin_max; /* Register value */ + u16 mfr_iout_max; /* Register value */ + u16 mfr_pin_max; /* Register value */ + u16 mfr_pout_max; /* Register value */ + u16 mfr_vout_min; /* Register value */ + u16 mfr_vout_max; /* Register value */ }; static ssize_t show_byte(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static ssize_t show_word(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static ssize_t show_linear(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static ssize_t show_vout(struct device *dev, struct device_attribute *da, char *buf); static ssize_t show_fan_fault(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static ssize_t show_over_temp(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static ssize_t show_ascii(struct device *dev, struct device_attribute *da, - char *buf); + char *buf); static struct ym2651y_data *ym2651y_update_device(struct device *dev); static ssize_t set_fan_duty_cycle(struct device *dev, struct device_attribute *da, - const char *buf, size_t count); + const char *buf, size_t count); static int ym2651y_write_word(struct i2c_client *client, u8 reg, u16 value); enum ym2651y_sysfs_attributes { - PSU_POWER_ON = 0, - PSU_TEMP_FAULT, - PSU_POWER_GOOD, - PSU_FAN1_FAULT, - PSU_FAN_DIRECTION, - PSU_OVER_TEMP, - PSU_V_OUT, - PSU_I_OUT, - PSU_P_OUT, - PSU_TEMP1_INPUT, - PSU_FAN1_SPEED, - PSU_FAN1_DUTY_CYCLE, - PSU_PMBUS_REVISION, - PSU_MFR_ID, - PSU_MFR_MODEL, - PSU_MFR_REVISION, - PSU_MFR_SERIAL, - PSU_MFR_VIN_MIN, - PSU_MFR_VIN_MAX, - PSU_MFR_VOUT_MIN, - PSU_MFR_VOUT_MAX, - PSU_MFR_IIN_MAX, - PSU_MFR_IOUT_MAX, - PSU_MFR_PIN_MAX, - PSU_MFR_POUT_MAX + PSU_POWER_ON = 0, + PSU_TEMP_FAULT, + PSU_POWER_GOOD, + PSU_FAN1_FAULT, + PSU_FAN_DIRECTION, + PSU_OVER_TEMP, + PSU_V_OUT, + PSU_I_OUT, + PSU_P_OUT, + PSU_TEMP1_INPUT, + PSU_FAN1_SPEED, + PSU_FAN1_DUTY_CYCLE, + PSU_PMBUS_REVISION, + PSU_MFR_ID, + PSU_MFR_MODEL, + PSU_MFR_REVISION, + PSU_MFR_SERIAL, + PSU_MFR_VIN_MIN, + PSU_MFR_VIN_MAX, + PSU_MFR_VOUT_MIN, + PSU_MFR_VOUT_MAX, + PSU_MFR_IIN_MAX, + PSU_MFR_IOUT_MAX, + PSU_MFR_PIN_MAX, + PSU_MFR_POUT_MAX }; /* sysfs attributes for hwmon */ -static SENSOR_DEVICE_ATTR(psu_power_on, S_IRUGO, show_word, NULL, PSU_POWER_ON); -static SENSOR_DEVICE_ATTR(psu_temp_fault, S_IRUGO, show_word, NULL, PSU_TEMP_FAULT); -static SENSOR_DEVICE_ATTR(psu_power_good, S_IRUGO, show_word, NULL, PSU_POWER_GOOD); -static SENSOR_DEVICE_ATTR(psu_fan1_fault, S_IRUGO, show_fan_fault, NULL, PSU_FAN1_FAULT); -static SENSOR_DEVICE_ATTR(psu_over_temp, S_IRUGO, show_over_temp, NULL, PSU_OVER_TEMP); -static SENSOR_DEVICE_ATTR(psu_v_out, S_IRUGO, show_vout, NULL, PSU_V_OUT); -static SENSOR_DEVICE_ATTR(psu_i_out, S_IRUGO, show_linear, NULL, PSU_I_OUT); -static SENSOR_DEVICE_ATTR(psu_p_out, S_IRUGO, show_linear, NULL, PSU_P_OUT); -static SENSOR_DEVICE_ATTR(psu_temp1_input, S_IRUGO, show_linear, NULL, PSU_TEMP1_INPUT); +static SENSOR_DEVICE_ATTR(psu_power_on, S_IRUGO, show_word, NULL, PSU_POWER_ON); +static SENSOR_DEVICE_ATTR(psu_temp_fault, S_IRUGO, show_word, NULL, PSU_TEMP_FAULT); +static SENSOR_DEVICE_ATTR(psu_power_good, S_IRUGO, show_word, NULL, PSU_POWER_GOOD); +static SENSOR_DEVICE_ATTR(psu_fan1_fault, S_IRUGO, show_fan_fault, NULL, PSU_FAN1_FAULT); +static SENSOR_DEVICE_ATTR(psu_over_temp, S_IRUGO, show_over_temp, NULL, PSU_OVER_TEMP); +static SENSOR_DEVICE_ATTR(psu_v_out, S_IRUGO, show_vout, NULL, PSU_V_OUT); +static SENSOR_DEVICE_ATTR(psu_i_out, S_IRUGO, show_linear, NULL, PSU_I_OUT); +static SENSOR_DEVICE_ATTR(psu_p_out, S_IRUGO, show_linear, NULL, PSU_P_OUT); +static SENSOR_DEVICE_ATTR(psu_temp1_input, S_IRUGO, show_linear, NULL, PSU_TEMP1_INPUT); static SENSOR_DEVICE_ATTR(psu_fan1_speed_rpm, S_IRUGO, show_linear, NULL, PSU_FAN1_SPEED); static SENSOR_DEVICE_ATTR(psu_fan1_duty_cycle_percentage, S_IWUSR | S_IRUGO, show_linear, set_fan_duty_cycle, PSU_FAN1_DUTY_CYCLE); -static SENSOR_DEVICE_ATTR(psu_fan_dir, S_IRUGO, show_ascii, NULL, PSU_FAN_DIRECTION); +static SENSOR_DEVICE_ATTR(psu_fan_dir, S_IRUGO, show_ascii, NULL, PSU_FAN_DIRECTION); static SENSOR_DEVICE_ATTR(psu_pmbus_revision,S_IRUGO, show_byte, NULL, PSU_PMBUS_REVISION); -static SENSOR_DEVICE_ATTR(psu_mfr_id, S_IRUGO, show_ascii, NULL, PSU_MFR_ID); -static SENSOR_DEVICE_ATTR(psu_mfr_model, S_IRUGO, show_ascii, NULL, PSU_MFR_MODEL); -static SENSOR_DEVICE_ATTR(psu_mfr_revision, S_IRUGO, show_ascii, NULL, PSU_MFR_REVISION); -static SENSOR_DEVICE_ATTR(psu_mfr_serial, S_IRUGO, show_ascii, NULL, PSU_MFR_SERIAL); -static SENSOR_DEVICE_ATTR(psu_mfr_vin_min, S_IRUGO, show_linear, NULL, PSU_MFR_VIN_MIN); -static SENSOR_DEVICE_ATTR(psu_mfr_vin_max, S_IRUGO, show_linear, NULL, PSU_MFR_VIN_MAX); -static SENSOR_DEVICE_ATTR(psu_mfr_vout_min, S_IRUGO, show_linear, NULL, PSU_MFR_VOUT_MIN); -static SENSOR_DEVICE_ATTR(psu_mfr_vout_max, S_IRUGO, show_linear, NULL, PSU_MFR_VOUT_MAX); -static SENSOR_DEVICE_ATTR(psu_mfr_iin_max, S_IRUGO, show_linear, NULL, PSU_MFR_IIN_MAX); -static SENSOR_DEVICE_ATTR(psu_mfr_iout_max, S_IRUGO, show_linear, NULL, PSU_MFR_IOUT_MAX); -static SENSOR_DEVICE_ATTR(psu_mfr_pin_max, S_IRUGO, show_linear, NULL, PSU_MFR_PIN_MAX); -static SENSOR_DEVICE_ATTR(psu_mfr_pout_max, S_IRUGO, show_linear, NULL, PSU_MFR_POUT_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_id, S_IRUGO, show_ascii, NULL, PSU_MFR_ID); +static SENSOR_DEVICE_ATTR(psu_mfr_model, S_IRUGO, show_ascii, NULL, PSU_MFR_MODEL); +static SENSOR_DEVICE_ATTR(psu_mfr_revision, S_IRUGO, show_ascii, NULL, PSU_MFR_REVISION); +static SENSOR_DEVICE_ATTR(psu_mfr_serial, S_IRUGO, show_ascii, NULL, PSU_MFR_SERIAL); +static SENSOR_DEVICE_ATTR(psu_mfr_vin_min, S_IRUGO, show_linear, NULL, PSU_MFR_VIN_MIN); +static SENSOR_DEVICE_ATTR(psu_mfr_vin_max, S_IRUGO, show_linear, NULL, PSU_MFR_VIN_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_vout_min, S_IRUGO, show_linear, NULL, PSU_MFR_VOUT_MIN); +static SENSOR_DEVICE_ATTR(psu_mfr_vout_max, S_IRUGO, show_linear, NULL, PSU_MFR_VOUT_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_iin_max, S_IRUGO, show_linear, NULL, PSU_MFR_IIN_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_iout_max, S_IRUGO, show_linear, NULL, PSU_MFR_IOUT_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_pin_max, S_IRUGO, show_linear, NULL, PSU_MFR_PIN_MAX); +static SENSOR_DEVICE_ATTR(psu_mfr_pout_max, S_IRUGO, show_linear, NULL, PSU_MFR_POUT_MAX); static struct attribute *ym2651y_attributes[] = { - &sensor_dev_attr_psu_power_on.dev_attr.attr, - &sensor_dev_attr_psu_temp_fault.dev_attr.attr, - &sensor_dev_attr_psu_power_good.dev_attr.attr, - &sensor_dev_attr_psu_fan1_fault.dev_attr.attr, - &sensor_dev_attr_psu_over_temp.dev_attr.attr, - &sensor_dev_attr_psu_v_out.dev_attr.attr, - &sensor_dev_attr_psu_i_out.dev_attr.attr, - &sensor_dev_attr_psu_p_out.dev_attr.attr, - &sensor_dev_attr_psu_temp1_input.dev_attr.attr, - &sensor_dev_attr_psu_fan1_speed_rpm.dev_attr.attr, - &sensor_dev_attr_psu_fan1_duty_cycle_percentage.dev_attr.attr, - &sensor_dev_attr_psu_fan_dir.dev_attr.attr, - &sensor_dev_attr_psu_pmbus_revision.dev_attr.attr, - &sensor_dev_attr_psu_mfr_id.dev_attr.attr, - &sensor_dev_attr_psu_mfr_model.dev_attr.attr, - &sensor_dev_attr_psu_mfr_revision.dev_attr.attr, - &sensor_dev_attr_psu_mfr_serial.dev_attr.attr, - &sensor_dev_attr_psu_mfr_vin_min.dev_attr.attr, - &sensor_dev_attr_psu_mfr_vin_max.dev_attr.attr, - &sensor_dev_attr_psu_mfr_pout_max.dev_attr.attr, - &sensor_dev_attr_psu_mfr_iin_max.dev_attr.attr, - &sensor_dev_attr_psu_mfr_pin_max.dev_attr.attr, - &sensor_dev_attr_psu_mfr_vout_min.dev_attr.attr, - &sensor_dev_attr_psu_mfr_vout_max.dev_attr.attr, - &sensor_dev_attr_psu_mfr_iout_max.dev_attr.attr, - NULL + &sensor_dev_attr_psu_power_on.dev_attr.attr, + &sensor_dev_attr_psu_temp_fault.dev_attr.attr, + &sensor_dev_attr_psu_power_good.dev_attr.attr, + &sensor_dev_attr_psu_fan1_fault.dev_attr.attr, + &sensor_dev_attr_psu_over_temp.dev_attr.attr, + &sensor_dev_attr_psu_v_out.dev_attr.attr, + &sensor_dev_attr_psu_i_out.dev_attr.attr, + &sensor_dev_attr_psu_p_out.dev_attr.attr, + &sensor_dev_attr_psu_temp1_input.dev_attr.attr, + &sensor_dev_attr_psu_fan1_speed_rpm.dev_attr.attr, + &sensor_dev_attr_psu_fan1_duty_cycle_percentage.dev_attr.attr, + &sensor_dev_attr_psu_fan_dir.dev_attr.attr, + &sensor_dev_attr_psu_pmbus_revision.dev_attr.attr, + &sensor_dev_attr_psu_mfr_id.dev_attr.attr, + &sensor_dev_attr_psu_mfr_model.dev_attr.attr, + &sensor_dev_attr_psu_mfr_revision.dev_attr.attr, + &sensor_dev_attr_psu_mfr_serial.dev_attr.attr, + &sensor_dev_attr_psu_mfr_vin_min.dev_attr.attr, + &sensor_dev_attr_psu_mfr_vin_max.dev_attr.attr, + &sensor_dev_attr_psu_mfr_pout_max.dev_attr.attr, + &sensor_dev_attr_psu_mfr_iin_max.dev_attr.attr, + &sensor_dev_attr_psu_mfr_pin_max.dev_attr.attr, + &sensor_dev_attr_psu_mfr_vout_min.dev_attr.attr, + &sensor_dev_attr_psu_mfr_vout_max.dev_attr.attr, + &sensor_dev_attr_psu_mfr_iout_max.dev_attr.attr, + NULL }; static ssize_t show_byte(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct ym2651y_data *data = ym2651y_update_device(dev); - - if (!data->valid) { - return 0; - } + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ym2651y_data *data = ym2651y_update_device(dev); + + if (!data->valid) { + return 0; + } - return (attr->index == PSU_PMBUS_REVISION) ? sprintf(buf, "%d\n", data->pmbus_revision) : - sprintf(buf, "0\n"); + return (attr->index == PSU_PMBUS_REVISION) ? sprintf(buf, "%d\n", data->pmbus_revision) : + sprintf(buf, "0\n"); } static ssize_t show_word(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct ym2651y_data *data = ym2651y_update_device(dev); - u16 status = 0; - - if (!data->valid) { - return 0; - } + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ym2651y_data *data = ym2651y_update_device(dev); + u16 status = 0; + + if (!data->valid) { + return 0; + } - switch (attr->index) { - case PSU_POWER_ON: /* psu_power_on, low byte bit 6 of status_word, 0=>ON, 1=>OFF */ - status = (data->status_word & 0x40) ? 0 : 1; - break; - case PSU_TEMP_FAULT: /* psu_temp_fault, low byte bit 2 of status_word, 0=>Normal, 1=>temp fault */ - status = (data->status_word & 0x4) >> 2; - break; - case PSU_POWER_GOOD: /* psu_power_good, high byte bit 3 of status_word, 0=>OK, 1=>FAIL */ - status = (data->status_word & 0x800) ? 0 : 1; - break; - } + switch (attr->index) { + case PSU_POWER_ON: /* psu_power_on, low byte bit 6 of status_word, 0=>ON, 1=>OFF */ + status = (data->status_word & 0x40) ? 0 : 1; + break; + case PSU_TEMP_FAULT: /* psu_temp_fault, low byte bit 2 of status_word, 0=>Normal, 1=>temp fault */ + status = (data->status_word & 0x4) >> 2; + break; + case PSU_POWER_GOOD: /* psu_power_good, high byte bit 3 of status_word, 0=>OK, 1=>FAIL */ + status = (data->status_word & 0x800) ? 0 : 1; + break; + } - return sprintf(buf, "%d\n", status); + return sprintf(buf, "%d\n", status); } static int two_complement_to_int(u16 data, u8 valid_bit, int mask) { - u16 valid_data = data & mask; - bool is_negative = valid_data >> (valid_bit - 1); + u16 valid_data = data & mask; + bool is_negative = valid_data >> (valid_bit - 1); - return is_negative ? (-(((~valid_data) & mask) + 1)) : valid_data; + return is_negative ? (-(((~valid_data) & mask) + 1)) : valid_data; } static ssize_t set_fan_duty_cycle(struct device *dev, struct device_attribute *da, - const char *buf, size_t count) + const char *buf, size_t count) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct i2c_client *client = to_i2c_client(dev); - struct ym2651y_data *data = i2c_get_clientdata(client); - int nr = (attr->index == PSU_FAN1_DUTY_CYCLE) ? 0 : 1; - long speed; - int error; + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct i2c_client *client = to_i2c_client(dev); + struct ym2651y_data *data = i2c_get_clientdata(client); + int nr = (attr->index == PSU_FAN1_DUTY_CYCLE) ? 0 : 1; + long speed; + int error; - error = kstrtol(buf, 10, &speed); - if (error) - return error; + error = kstrtol(buf, 10, &speed); + if (error) + return error; - if (speed < 0 || speed > MAX_FAN_DUTY_CYCLE) - return -EINVAL; + if (speed < 0 || speed > MAX_FAN_DUTY_CYCLE) + return -EINVAL; - mutex_lock(&data->update_lock); - data->fan_duty_cycle[nr] = speed; - ym2651y_write_word(client, 0x3B + nr, data->fan_duty_cycle[nr]); - mutex_unlock(&data->update_lock); + mutex_lock(&data->update_lock); + data->fan_duty_cycle[nr] = speed; + ym2651y_write_word(client, 0x3B + nr, data->fan_duty_cycle[nr]); + mutex_unlock(&data->update_lock); - return count; + return count; } static ssize_t show_linear(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct ym2651y_data *data = ym2651y_update_device(dev); + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ym2651y_data *data = ym2651y_update_device(dev); - u16 value = 0; - int exponent, mantissa; - int multiplier = 1000; + u16 value = 0; + int exponent, mantissa; + int multiplier = 1000; - if (!data->valid) { - return 0; - } - - switch (attr->index) { - case PSU_V_OUT: - value = data->v_out; - break; - case PSU_I_OUT: - value = data->i_out; - break; - case PSU_P_OUT: - value = data->p_out; - break; - case PSU_TEMP1_INPUT: - value = data->temp; - break; - case PSU_FAN1_SPEED: - value = data->fan_speed; - multiplier = 1; - break; - case PSU_FAN1_DUTY_CYCLE: - value = data->fan_duty_cycle[0]; - multiplier = 1; - break; - case PSU_MFR_VIN_MIN: - value = data->mfr_vin_min; - break; - case PSU_MFR_VIN_MAX: - value = data->mfr_vin_max; - break; - case PSU_MFR_VOUT_MIN: - value = data->mfr_vout_min; - break; - case PSU_MFR_VOUT_MAX: - value = data->mfr_vout_max; - break; - case PSU_MFR_PIN_MAX: - value = data->mfr_pin_max; - break; - case PSU_MFR_POUT_MAX: - value = data->mfr_pout_max; - break; - case PSU_MFR_IOUT_MAX: - value = data->mfr_iout_max; - break; - case PSU_MFR_IIN_MAX: - value = data->mfr_iin_max; - break; - } + if (!data->valid) { + return 0; + } + + switch (attr->index) { + case PSU_V_OUT: + value = data->v_out; + break; + case PSU_I_OUT: + value = data->i_out; + break; + case PSU_P_OUT: + value = data->p_out; + break; + case PSU_TEMP1_INPUT: + value = data->temp; + break; + case PSU_FAN1_SPEED: + value = data->fan_speed; + multiplier = 1; + break; + case PSU_FAN1_DUTY_CYCLE: + value = data->fan_duty_cycle[0]; + multiplier = 1; + break; + case PSU_MFR_VIN_MIN: + value = data->mfr_vin_min; + break; + case PSU_MFR_VIN_MAX: + value = data->mfr_vin_max; + break; + case PSU_MFR_VOUT_MIN: + value = data->mfr_vout_min; + break; + case PSU_MFR_VOUT_MAX: + value = data->mfr_vout_max; + break; + case PSU_MFR_PIN_MAX: + value = data->mfr_pin_max; + break; + case PSU_MFR_POUT_MAX: + value = data->mfr_pout_max; + break; + case PSU_MFR_IOUT_MAX: + value = data->mfr_iout_max; + break; + case PSU_MFR_IIN_MAX: + value = data->mfr_iin_max; + break; + } - exponent = two_complement_to_int(value >> 11, 5, 0x1f); - mantissa = two_complement_to_int(value & 0x7ff, 11, 0x7ff); + exponent = two_complement_to_int(value >> 11, 5, 0x1f); + mantissa = two_complement_to_int(value & 0x7ff, 11, 0x7ff); - return (exponent >= 0) ? sprintf(buf, "%d\n", (mantissa << exponent) * multiplier) : - sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent)); + return (exponent >= 0) ? sprintf(buf, "%d\n", (mantissa << exponent) * multiplier) : + sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent)); } static ssize_t show_fan_fault(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct ym2651y_data *data = ym2651y_update_device(dev); - u8 shift; + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ym2651y_data *data = ym2651y_update_device(dev); + u8 shift; - if (!data->valid) { - return 0; - } - - shift = (attr->index == PSU_FAN1_FAULT) ? 7 : 6; + if (!data->valid) { + return 0; + } + + shift = (attr->index == PSU_FAN1_FAULT) ? 7 : 6; - return sprintf(buf, "%d\n", data->fan_fault >> shift); + return sprintf(buf, "%d\n", data->fan_fault >> shift); } static ssize_t show_over_temp(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct ym2651y_data *data = ym2651y_update_device(dev); + struct ym2651y_data *data = ym2651y_update_device(dev); - if (!data->valid) { - return 0; - } - - return sprintf(buf, "%d\n", data->over_temp >> 7); + if (!data->valid) { + return 0; + } + + return sprintf(buf, "%d\n", data->over_temp >> 7); } static ssize_t show_ascii(struct device *dev, struct device_attribute *da, - char *buf) + char *buf) { - struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct ym2651y_data *data = ym2651y_update_device(dev); - u8 *ptr = NULL; + struct sensor_device_attribute *attr = to_sensor_dev_attr(da); + struct ym2651y_data *data = ym2651y_update_device(dev); + u8 *ptr = NULL; - if (!data->valid) { - return 0; - } - - switch (attr->index) { - case PSU_FAN_DIRECTION: /* psu_fan_dir */ - ptr = data->fan_dir + 1; /* Skip the first byte since it is the length of string. */ - break; - case PSU_MFR_ID: /* psu_mfr_id */ - ptr = data->mfr_id + 1; /* The first byte is the count byte of string. */; - break; - case PSU_MFR_MODEL: /* psu_mfr_model */ - ptr = data->mfr_model + 1; /* The first byte is the count byte of string. */ - break; - case PSU_MFR_REVISION: /* psu_mfr_revision */ - ptr = data->mfr_revsion + 1; /* The first byte is the count byte of string. */ - break; - case PSU_MFR_SERIAL: /* psu_mfr_serial */ - ptr = data->mfr_serial + 1; /* The first byte is the count byte of string. */ - break; - default: - return 0; - } + if (!data->valid) { + return 0; + } + + switch (attr->index) { + case PSU_FAN_DIRECTION: /* psu_fan_dir */ + ptr = data->fan_dir + 1; /* Skip the first byte since it is the length of string. */ + break; + case PSU_MFR_ID: /* psu_mfr_id */ + ptr = data->mfr_id + 1; /* The first byte is the count byte of string. */; + break; + case PSU_MFR_MODEL: /* psu_mfr_model */ + ptr = data->mfr_model + 1; /* The first byte is the count byte of string. */ + break; + case PSU_MFR_REVISION: /* psu_mfr_revision */ + ptr = data->mfr_revsion + 1; /* The first byte is the count byte of string. */ + break; + case PSU_MFR_SERIAL: /* psu_mfr_serial */ + ptr = data->mfr_serial + 1; /* The first byte is the count byte of string. */ + break; + default: + return 0; + } - return sprintf(buf, "%s\n", ptr); + return sprintf(buf, "%s\n", ptr); } static ssize_t show_vout_by_mode(struct device *dev, struct device_attribute *da, char *buf) { - struct ym2651y_data *data = ym2651y_update_device(dev); - int exponent, mantissa; - int multiplier = 1000; + struct ym2651y_data *data = ym2651y_update_device(dev); + int exponent, mantissa; + int multiplier = 1000; - if (!data->valid) { - return 0; - } + if (!data->valid) { + return 0; + } - exponent = two_complement_to_int(data->vout_mode, 5, 0x1f); - mantissa = data->v_out; + exponent = two_complement_to_int(data->vout_mode, 5, 0x1f); + mantissa = data->v_out; - return (exponent > 0) ? sprintf(buf, "%d\n", (mantissa << exponent) * multiplier) : - sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent)); + return (exponent > 0) ? sprintf(buf, "%d\n", (mantissa << exponent) * multiplier) : + sprintf(buf, "%d\n", (mantissa * multiplier) / (1 << -exponent)); } static ssize_t show_vout(struct device *dev, struct device_attribute *da, char *buf) { - struct i2c_client *client = to_i2c_client(dev); - struct ym2651y_data *data = i2c_get_clientdata(client); + struct i2c_client *client = to_i2c_client(dev); + struct ym2651y_data *data = i2c_get_clientdata(client); - if (data->chip == YM2401) { - return show_vout_by_mode(dev, da, buf); - } + if (data->chip == YM2401) { + return show_vout_by_mode(dev, da, buf); + } - return show_linear(dev, da, buf); + return show_linear(dev, da, buf); } static const struct attribute_group ym2651y_group = { - .attrs = ym2651y_attributes, + .attrs = ym2651y_attributes, }; static int ym2651y_probe(struct i2c_client *client, - const struct i2c_device_id *dev_id) + const struct i2c_device_id *dev_id) { - struct ym2651y_data *data; - int status; + struct ym2651y_data *data; + int status; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_I2C_BLOCK)) { - status = -EIO; - goto exit; - } + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA )) { + status = -EIO; + goto exit; + } + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_SMBUS_I2C_BLOCK)) { + support_i2c_block = 0; + } + + data = kzalloc(sizeof(struct ym2651y_data), GFP_KERNEL); + if (!data) { + status = -ENOMEM; + goto exit; + } - data = kzalloc(sizeof(struct ym2651y_data), GFP_KERNEL); - if (!data) { - status = -ENOMEM; - goto exit; - } + i2c_set_clientdata(client, data); + mutex_init(&data->update_lock); + data->chip = dev_id->driver_data; + dev_info(&client->dev, "chip found\n"); - i2c_set_clientdata(client, data); - mutex_init(&data->update_lock); - data->chip = dev_id->driver_data; - dev_info(&client->dev, "chip found\n"); + /* Register sysfs hooks */ + status = sysfs_create_group(&client->dev.kobj, &ym2651y_group); + if (status) { + goto exit_free; + } - /* Register sysfs hooks */ - status = sysfs_create_group(&client->dev.kobj, &ym2651y_group); - if (status) { - goto exit_free; - } + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + status = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } - data->hwmon_dev = hwmon_device_register(&client->dev); - if (IS_ERR(data->hwmon_dev)) { - status = PTR_ERR(data->hwmon_dev); - goto exit_remove; - } + dev_info(&client->dev, "%s: psu '%s'\n", + dev_name(data->hwmon_dev), client->name); - dev_info(&client->dev, "%s: psu '%s'\n", - dev_name(data->hwmon_dev), client->name); - - return 0; + return 0; exit_remove: - sysfs_remove_group(&client->dev.kobj, &ym2651y_group); + sysfs_remove_group(&client->dev.kobj, &ym2651y_group); exit_free: - kfree(data); + kfree(data); exit: - return status; + return status; } static int ym2651y_remove(struct i2c_client *client) { - struct ym2651y_data *data = i2c_get_clientdata(client); + struct ym2651y_data *data = i2c_get_clientdata(client); - hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&client->dev.kobj, &ym2651y_group); - kfree(data); + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &ym2651y_group); + kfree(data); - return 0; + return 0; } static const struct i2c_device_id ym2651y_id[] = { - { "ym2651", YM2651 }, - { "ym2401", YM2401 }, - { "ym2851", YM2851 }, - {} + { "ym2651", YM2651 }, + { "ym2401", YM2401 }, + { "ym2851", YM2851 }, + { "ym1921", YM1921 }, + {} }; MODULE_DEVICE_TABLE(i2c, ym2651y_id); static struct i2c_driver ym2651y_driver = { - .class = I2C_CLASS_HWMON, - .driver = { - .name = "ym2651", - }, - .probe = ym2651y_probe, - .remove = ym2651y_remove, - .id_table = ym2651y_id, - .address_list = normal_i2c, + .class = I2C_CLASS_HWMON, + .driver = { + .name = "ym2651", + }, + .probe = ym2651y_probe, + .remove = ym2651y_remove, + .id_table = ym2651y_id, + .address_list = normal_i2c, }; static int ym2651y_read_byte(struct i2c_client *client, u8 reg) { - int status = 0, retry = I2C_RW_RETRY_COUNT; + int status = 0, retry = I2C_RW_RETRY_COUNT; - while (retry) { - status = i2c_smbus_read_byte_data(client, reg); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } + while (retry) { + status = i2c_smbus_read_byte_data(client, reg); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } - break; - } + break; + } return status; } static int ym2651y_read_word(struct i2c_client *client, u8 reg) { - int status = 0, retry = I2C_RW_RETRY_COUNT; + int status = 0, retry = I2C_RW_RETRY_COUNT; - while (retry) { - status = i2c_smbus_read_word_data(client, reg); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } + while (retry) { + status = i2c_smbus_read_word_data(client, reg); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } - break; - } + break; + } return status; } static int ym2651y_write_word(struct i2c_client *client, u8 reg, u16 value) { - int status = 0, retry = I2C_RW_RETRY_COUNT; + int status = 0, retry = I2C_RW_RETRY_COUNT; - while (retry) { - status = i2c_smbus_write_word_data(client, reg, value); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } + while (retry) { + status = i2c_smbus_write_word_data(client, reg, value); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } - break; - } + break; + } return status; } static int ym2651y_read_block(struct i2c_client *client, u8 command, u8 *data, - int data_len) + int data_len) { - int status = 0, retry = I2C_RW_RETRY_COUNT; + int status = 0, retry = I2C_RW_RETRY_COUNT; - while (retry) { - status = i2c_smbus_read_i2c_block_data(client, command, data_len, data); - if (unlikely(status < 0)) { - msleep(I2C_RW_RETRY_INTERVAL); - retry--; - continue; - } + while (retry) { + status = i2c_smbus_read_i2c_block_data(client, command, data_len, data); + if (unlikely(status < 0)) { + msleep(I2C_RW_RETRY_INTERVAL); + retry--; + continue; + } - break; - } + break; + } return status; } struct reg_data_byte { - u8 reg; - u8 *value; + u8 reg; + u8 *value; }; struct reg_data_word { - u8 reg; - u16 *value; + u8 reg; + u16 *value; }; static struct ym2651y_data *ym2651y_update_device(struct device *dev) { - struct i2c_client *client = to_i2c_client(dev); - struct ym2651y_data *data = i2c_get_clientdata(client); + struct i2c_client *client = to_i2c_client(dev); + struct ym2651y_data *data = i2c_get_clientdata(client); - mutex_lock(&data->update_lock); + mutex_lock(&data->update_lock); - if (time_after(jiffies, data->last_updated + HZ + HZ / 2) - || !data->valid) { - int i, status, length; - u8 command, buf; - struct reg_data_byte regs_byte[] = { {0x19, &data->capability}, - {0x20, &data->vout_mode}, - {0x7d, &data->over_temp}, - {0x81, &data->fan_fault}, - {0x98, &data->pmbus_revision}}; - struct reg_data_word regs_word[] = { {0x79, &data->status_word}, - {0x8b, &data->v_out}, - {0x8c, &data->i_out}, - {0x96, &data->p_out}, - {0x8d, &data->temp}, - {0x3b, &(data->fan_duty_cycle[0])}, - {0x3c, &(data->fan_duty_cycle[1])}, - {0x90, &data->fan_speed}, - {0xa0, &data->mfr_vin_min}, - {0xa1, &data->mfr_vin_max}, - {0xa2, &data->mfr_iin_max}, - {0xa3, &data->mfr_pin_max}, - {0xa4, &data->mfr_vout_min}, - {0xa5, &data->mfr_vout_max}, - {0xa6, &data->mfr_iout_max}, - {0xa7, &data->mfr_pout_max}}; + if (time_after(jiffies, data->last_updated + HZ + HZ / 2) + || !data->valid) { + int i, status, length; + u8 command, buf; + struct reg_data_byte regs_byte[] = { {0x19, &data->capability}, + {0x20, &data->vout_mode}, + {0x7d, &data->over_temp}, + {0x81, &data->fan_fault}, + {0x98, &data->pmbus_revision}}; + struct reg_data_word regs_word[] = { {0x79, &data->status_word}, + {0x8b, &data->v_out}, + {0x8c, &data->i_out}, + {0x96, &data->p_out}, + {0x8d, &data->temp}, + {0x3b, &(data->fan_duty_cycle[0])}, + {0x3c, &(data->fan_duty_cycle[1])}, + {0x90, &data->fan_speed}, + {0xa0, &data->mfr_vin_min}, + {0xa1, &data->mfr_vin_max}, + {0xa2, &data->mfr_iin_max}, + {0xa3, &data->mfr_pin_max}, + {0xa4, &data->mfr_vout_min}, + {0xa5, &data->mfr_vout_max}, + {0xa6, &data->mfr_iout_max}, + {0xa7, &data->mfr_pout_max}}; - dev_dbg(&client->dev, "Starting ym2651 update\n"); - data->valid = 0; + dev_dbg(&client->dev, "Starting ym2651 update\n"); + data->valid = 0; - /* Read byte data */ - for (i = 0; i < ARRAY_SIZE(regs_byte); i++) { - status = ym2651y_read_byte(client, regs_byte[i].reg); + /* Read byte data */ + for (i = 0; i < ARRAY_SIZE(regs_byte); i++) { + status = ym2651y_read_byte(client, regs_byte[i].reg); - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", - regs_byte[i].reg, status); - goto exit; - } - else { - *(regs_byte[i].value) = status; - } - } + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", + regs_byte[i].reg, status); + goto exit; + } + else { + *(regs_byte[i].value) = status; + } + } - /* Read word data */ - for (i = 0; i < ARRAY_SIZE(regs_word); i++) { - status = ym2651y_read_word(client, regs_word[i].reg); + /* Read word data */ + for (i = 0; i < ARRAY_SIZE(regs_word); i++) { + status = ym2651y_read_word(client, regs_word[i].reg); - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", - regs_word[i].reg, status); - goto exit; - } - else { - *(regs_word[i].value) = status; - } - } + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", + regs_word[i].reg, status); + goto exit; + } + else { + *(regs_word[i].value) = status; + } + } - /* Read fan_direction */ - command = 0xC3; - status = ym2651y_read_block(client, command, data->fan_dir, - ARRAY_SIZE(data->fan_dir)-1); - data->fan_dir[ARRAY_SIZE(data->fan_dir)-1] = '\0'; + if (support_i2c_block) { + + /* Read fan_direction */ + command = 0xC3; + status = ym2651y_read_block(client, command, data->fan_dir, + ARRAY_SIZE(data->fan_dir)-1); + data->fan_dir[ARRAY_SIZE(data->fan_dir)-1] = '\0'; - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } - /* Read mfr_id */ - command = 0x99; - status = ym2651y_read_block(client, command, data->mfr_id, - ARRAY_SIZE(data->mfr_id)-1); - data->mfr_id[ARRAY_SIZE(data->mfr_id)-1] = '\0'; - - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } - - /* Read mfr_model */ - command = 0x9a; - length = 1; - - /* Read first byte to determine the length of data */ - status = ym2651y_read_block(client, command, &buf, length); - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } - - status = ym2651y_read_block(client, command, data->mfr_model, buf+1); - data->mfr_model[buf+1] = '\0'; - - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } - - /* Read mfr_revsion */ - command = 0x9b; - status = ym2651y_read_block(client, command, data->mfr_revsion, - ARRAY_SIZE(data->mfr_revsion)-1); - data->mfr_revsion[ARRAY_SIZE(data->mfr_revsion)-1] = '\0'; - - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } - - /* Read mfr_serial */ - command = 0x9e; - status = ym2651y_read_block(client, command, data->mfr_serial, - ARRAY_SIZE(data->mfr_serial)-1); - data->mfr_serial[ARRAY_SIZE(data->mfr_serial)-1] = '\0'; - - if (status < 0) { - dev_dbg(&client->dev, "reg %d, err %d\n", command, status); - goto exit; - } - - data->last_updated = jiffies; - data->valid = 1; - } + /* Read mfr_id */ + command = 0x99; + status = ym2651y_read_block(client, command, data->mfr_id, + ARRAY_SIZE(data->mfr_id)-1); + data->mfr_id[ARRAY_SIZE(data->mfr_id)-1] = '\0'; + + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } + + /* Read mfr_model */ + command = 0x9a; + length = 1; + + /* Read first byte to determine the length of data */ + status = ym2651y_read_block(client, command, &buf, length); + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } + + status = ym2651y_read_block(client, command, data->mfr_model, buf+1); + data->mfr_model[buf+1] = '\0'; + + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } + + /* Read mfr_revsion */ + command = 0x9b; + status = ym2651y_read_block(client, command, data->mfr_revsion, + ARRAY_SIZE(data->mfr_revsion)-1); + data->mfr_revsion[ARRAY_SIZE(data->mfr_revsion)-1] = '\0'; + + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } + + /* Read mfr_serial */ + command = 0x9e; + status = ym2651y_read_block(client, command, data->mfr_serial, + ARRAY_SIZE(data->mfr_serial)-1); + data->mfr_serial[ARRAY_SIZE(data->mfr_serial)-1] = '\0'; + + if (status < 0) { + dev_dbg(&client->dev, "reg %d, err %d\n", command, status); + goto exit; + } + } + + data->last_updated = jiffies; + data->valid = 1; + } exit: - mutex_unlock(&data->update_lock); + mutex_unlock(&data->update_lock); - return data; + return data; } static int __init ym2651y_init(void) { - return i2c_add_driver(&ym2651y_driver); + return i2c_add_driver(&ym2651y_driver); } static void __exit ym2651y_exit(void) { - i2c_del_driver(&ym2651y_driver); + i2c_del_driver(&ym2651y_driver); } MODULE_AUTHOR("Brandon Chuang ");