diff options
| -rw-r--r-- | drivers/hwmon/w83795.c | 218 |
1 files changed, 119 insertions, 99 deletions
diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index e25a2e31df3f..511bced1ee97 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -438,6 +438,123 @@ static int w83795_write(struct i2c_client *client, u16 reg, u8 value) return err; } +static void w83795_update_limits(struct i2c_client *client) +{ + struct w83795_data *data = i2c_get_clientdata(client); + int i, limit; + + /* Read the voltage limits */ + for (i = 0; i < ARRAY_SIZE(data->in); i++) { + if (!(data->has_in & (1 << i))) + continue; + data->in[i][IN_MAX] = + w83795_read(client, W83795_REG_IN[i][IN_MAX]); + data->in[i][IN_LOW] = + w83795_read(client, W83795_REG_IN[i][IN_LOW]); + } + for (i = 0; i < ARRAY_SIZE(data->in_lsb); i++) { + if ((i == 2 && data->chip_type == w83795adg) || + (i >= 4 && !(data->has_in & (1 << (i + 11))))) + continue; + data->in_lsb[i][IN_MAX] = + w83795_read(client, IN_LSB_REG(i, IN_MAX)); + data->in_lsb[i][IN_LOW] = + w83795_read(client, IN_LSB_REG(i, IN_LOW)); + } + + /* Read the fan limits */ + for (i = 0; i < ARRAY_SIZE(data->fan); i++) { + u8 lsb; + + /* Each register contains LSB for 2 fans, but we want to + * read it only once to save time */ + if ((i & 1) == 0 && (data->has_fan & (3 << i))) + lsb = w83795_read(client, W83795_REG_FAN_MIN_LSB(i)); + + if (!(data->has_fan & (1 << i))) + continue; + data->fan_min[i] = + w83795_read(client, W83795_REG_FAN_MIN_HL(i)) << 4; + data->fan_min[i] |= + (lsb >> W83795_REG_FAN_MIN_LSB_SHIFT(i)) & 0x0F; + } + + /* Read the temperature limits */ + for (i = 0; i < ARRAY_SIZE(data->temp); i++) { + if (!(data->has_temp & (1 << i))) + continue; + for (limit = TEMP_CRIT; limit <= TEMP_WARN_HYST; limit++) + data->temp[i][limit] = + w83795_read(client, W83795_REG_TEMP[i][limit]); + } + + /* Read the DTS limits */ + if (data->enable_dts != 0) { + for (limit = DTS_CRIT; limit <= DTS_WARN_HYST; limit++) + data->dts_ext[limit] = + w83795_read(client, W83795_REG_DTS_EXT(limit)); + } + + /* Read beep settings */ + for (i = 0; i < ARRAY_SIZE(data->beeps); i++) + data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); +} + +static void w83795_update_pwm_config(struct i2c_client *client) +{ + struct w83795_data *data = i2c_get_clientdata(client); + int i, tmp; + + /* Read temperature source selection */ + for (i = 0; i < ARRAY_SIZE(data->temp_src); i++) + data->temp_src[i] = w83795_read(client, W83795_REG_TSS(i)); + + /* Read automatic fan speed control settings */ + data->pwm_fcms[0] = w83795_read(client, W83795_REG_FCMS1); + data->pwm_fcms[1] = w83795_read(client, W83795_REG_FCMS2); + for (i = 0; i < ARRAY_SIZE(data->pwm_tfmr); i++) + data->pwm_tfmr[i] = w83795_read(client, W83795_REG_TFMR(i)); + data->pwm_fomc = w83795_read(client, W83795_REG_FOMC); + for (i = 0; i < data->has_pwm; i++) { + for (tmp = PWM_FREQ; tmp <= PWM_STOP_TIME; tmp++) + data->pwm[i][tmp] = + w83795_read(client, W83795_REG_PWM(i, tmp)); + } + for (i = 0; i < ARRAY_SIZE(data->target_speed); i++) { + data->target_speed[i] = + w83795_read(client, W83795_REG_FTSH(i)) << 4; + data->target_speed[i] |= + w83795_read(client, W83795_REG_FTSL(i)) >> 4; + } + data->tol_speed = w83795_read(client, W83795_REG_TFTS) & 0x3f; + + for (i = 0; i < ARRAY_SIZE(data->pwm_temp); i++) { + data->pwm_temp[i][TEMP_PWM_TTTI] = + w83795_read(client, W83795_REG_TTTI(i)) & 0x7f; + data->pwm_temp[i][TEMP_PWM_CTFS] = + w83795_read(client, W83795_REG_CTFS(i)); + tmp = w83795_read(client, W83795_REG_HT(i)); + data->pwm_temp[i][TEMP_PWM_HCT] = (tmp >> 4) & 0x0f; + data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f; + } + + /* Read SmartFanIV trip points */ + for (i = 0; i < ARRAY_SIZE(data->sf4_reg); i++) { + for (tmp = 0; tmp < 7; tmp++) { + data->sf4_reg[i][SF4_TEMP][tmp] = + w83795_read(client, + W83795_REG_SF4_TEMP(i, tmp)); + data->sf4_reg[i][SF4_PWM][tmp] = + w83795_read(client, W83795_REG_SF4_PWM(i, tmp)); + } + } + + /* Read setup PWM */ + for (i = 0; i < ARRAY_SIZE(data->setup_pwm); i++) + data->setup_pwm[i] = + w83795_read(client, W83795_REG_SETUP_PWM(i)); +} + static struct w83795_data *w83795_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -1899,112 +2016,15 @@ static int w83795_probe(struct i2c_client *client, } } - /* Read the voltage limits */ - for (i = 0; i < ARRAY_SIZE(data->in); i++) { - if (!(data->has_in & (1 << i))) - continue; - data->in[i][IN_MAX] = - w83795_read(client, W83795_REG_IN[i][IN_MAX]); - data->in[i][IN_LOW] = - w83795_read(client, W83795_REG_IN[i][IN_LOW]); - } - for (i = 0; i < ARRAY_SIZE(data->in_lsb); i++) { - if ((i == 2 && data->chip_type == w83795adg) || - (i >= 4 && !(data->has_in & (1 << (i + 11))))) - continue; - data->in_lsb[i][IN_MAX] = - w83795_read(client, IN_LSB_REG(i, IN_MAX)); - data->in_lsb[i][IN_LOW] = - w83795_read(client, IN_LSB_REG(i, IN_LOW)); - } data->has_gain = w83795_read(client, W83795_REG_VMIGB_CTRL) & 0x0f; - - /* Read the fan limits */ - for (i = 0; i < ARRAY_SIZE(data->fan); i++) { - /* Each register contains LSB for 2 fans, but we want to - * read it only once to save time */ - if ((i & 1) == 0 && (data->has_fan & (3 << i))) - tmp = w83795_read(client, W83795_REG_FAN_MIN_LSB(i)); - - if (!(data->has_fan & (1 << i))) - continue; - data->fan_min[i] = - w83795_read(client, W83795_REG_FAN_MIN_HL(i)) << 4; - data->fan_min[i] |= - (tmp >> W83795_REG_FAN_MIN_LSB_SHIFT(i)) & 0x0F; - } - - /* Read the temperature limits */ - for (i = 0; i < ARRAY_SIZE(data->temp); i++) { - if (!(data->has_temp & (1 << i))) - continue; - for (tmp = TEMP_CRIT; tmp <= TEMP_WARN_HYST; tmp++) - data->temp[i][tmp] = - w83795_read(client, W83795_REG_TEMP[i][tmp]); - } - - /* Read the DTS limits */ - if (data->enable_dts != 0) { - for (i = DTS_CRIT; i <= DTS_WARN_HYST; i++) - data->dts_ext[i] = - w83795_read(client, W83795_REG_DTS_EXT(i)); - } - - /* First update temp source selction */ - for (i = 0; i < 3; i++) - data->temp_src[i] = w83795_read(client, W83795_REG_TSS(i)); + w83795_update_limits(client); /* pwm and smart fan */ if (data->chip_type == w83795g) data->has_pwm = 8; else data->has_pwm = 2; - data->pwm_fcms[0] = w83795_read(client, W83795_REG_FCMS1); - data->pwm_fcms[1] = w83795_read(client, W83795_REG_FCMS2); - for (i = 0; i < ARRAY_SIZE(data->pwm_tfmr); i++) - data->pwm_tfmr[i] = w83795_read(client, W83795_REG_TFMR(i)); - data->pwm_fomc = w83795_read(client, W83795_REG_FOMC); - for (i = 0; i < data->has_pwm; i++) { - for (tmp = PWM_FREQ; tmp <= PWM_STOP_TIME; tmp++) - data->pwm[i][tmp] = - w83795_read(client, W83795_REG_PWM(i, tmp)); - } - for (i = 0; i < 8; i++) { - data->target_speed[i] = - w83795_read(client, W83795_REG_FTSH(i)) << 4; - data->target_speed[i] |= - w83795_read(client, W83795_REG_FTSL(i)) >> 4; - } - data->tol_speed = w83795_read(client, W83795_REG_TFTS) & 0x3f; - - for (i = 0; i < ARRAY_SIZE(data->pwm_temp); i++) { - data->pwm_temp[i][TEMP_PWM_TTTI] = - w83795_read(client, W83795_REG_TTTI(i)) & 0x7f; - data->pwm_temp[i][TEMP_PWM_CTFS] = - w83795_read(client, W83795_REG_CTFS(i)); - tmp = w83795_read(client, W83795_REG_HT(i)); - data->pwm_temp[i][TEMP_PWM_HCT] = (tmp >> 4) & 0x0f; - data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f; - } - for (i = 0; i < ARRAY_SIZE(data->sf4_reg); i++) { - for (tmp = 0; tmp < 7; tmp++) { - data->sf4_reg[i][SF4_TEMP][tmp] = - w83795_read(client, - W83795_REG_SF4_TEMP(i, tmp)); - data->sf4_reg[i][SF4_PWM][tmp] = - w83795_read(client, W83795_REG_SF4_PWM(i, tmp)); - } - } - - /* Setup PWM Register */ - for (i = 0; i < 3; i++) { - data->setup_pwm[i] = - w83795_read(client, W83795_REG_SETUP_PWM(i)); - } - - /* Read beep settings */ - for (i = 0; i < ARRAY_SIZE(data->beeps); i++) - data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); + w83795_update_pwm_config(client); err = w83795_handle_files(dev, device_create_file); if (err) |
