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- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
- * monitoring
- * Copyright (C) 2002, 2003 Philip Pokorny <[email protected]>
- * Copyright (C) 2004 Justin Thiessen <[email protected]>
- *
- * Chip details at:
- *
- * <https://www.onsemi.com/PowerSolutions/product.do?id=ADM1026>
- */
- #include <linux/module.h>
- #include <linux/init.h>
- #include <linux/slab.h>
- #include <linux/jiffies.h>
- #include <linux/i2c.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 const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
- static int gpio_input[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1 };
- static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1 };
- static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1 };
- static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
- -1, -1, -1, -1, -1, -1, -1, -1 };
- static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
- module_param_array(gpio_input, int, NULL, 0);
- MODULE_PARM_DESC(gpio_input, "List of GPIO pins (0-16) to program as inputs");
- module_param_array(gpio_output, int, NULL, 0);
- MODULE_PARM_DESC(gpio_output,
- "List of GPIO pins (0-16) to program as outputs");
- module_param_array(gpio_inverted, int, NULL, 0);
- MODULE_PARM_DESC(gpio_inverted,
- "List of GPIO pins (0-16) to program as inverted");
- module_param_array(gpio_normal, int, NULL, 0);
- MODULE_PARM_DESC(gpio_normal,
- "List of GPIO pins (0-16) to program as normal/non-inverted");
- module_param_array(gpio_fan, int, NULL, 0);
- MODULE_PARM_DESC(gpio_fan, "List of GPIO pins (0-7) to program as fan tachs");
- /* Many ADM1026 constants specified below */
- /* The ADM1026 registers */
- #define ADM1026_REG_CONFIG1 0x00
- #define CFG1_MONITOR 0x01
- #define CFG1_INT_ENABLE 0x02
- #define CFG1_INT_CLEAR 0x04
- #define CFG1_AIN8_9 0x08
- #define CFG1_THERM_HOT 0x10
- #define CFG1_DAC_AFC 0x20
- #define CFG1_PWM_AFC 0x40
- #define CFG1_RESET 0x80
- #define ADM1026_REG_CONFIG2 0x01
- /* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
- #define ADM1026_REG_CONFIG3 0x07
- #define CFG3_GPIO16_ENABLE 0x01
- #define CFG3_CI_CLEAR 0x02
- #define CFG3_VREF_250 0x04
- #define CFG3_GPIO16_DIR 0x40
- #define CFG3_GPIO16_POL 0x80
- #define ADM1026_REG_E2CONFIG 0x13
- #define E2CFG_READ 0x01
- #define E2CFG_WRITE 0x02
- #define E2CFG_ERASE 0x04
- #define E2CFG_ROM 0x08
- #define E2CFG_CLK_EXT 0x80
- /*
- * There are 10 general analog inputs and 7 dedicated inputs
- * They are:
- * 0 - 9 = AIN0 - AIN9
- * 10 = Vbat
- * 11 = 3.3V Standby
- * 12 = 3.3V Main
- * 13 = +5V
- * 14 = Vccp (CPU core voltage)
- * 15 = +12V
- * 16 = -12V
- */
- static u16 ADM1026_REG_IN[] = {
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
- 0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
- 0x2b, 0x2c, 0x2d, 0x2e, 0x2f
- };
- static u16 ADM1026_REG_IN_MIN[] = {
- 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
- 0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
- 0x4b, 0x4c, 0x4d, 0x4e, 0x4f
- };
- static u16 ADM1026_REG_IN_MAX[] = {
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
- 0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
- 0x43, 0x44, 0x45, 0x46, 0x47
- };
- /*
- * Temperatures are:
- * 0 - Internal
- * 1 - External 1
- * 2 - External 2
- */
- static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
- static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
- static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
- static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
- static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
- static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
- #define ADM1026_REG_FAN(nr) (0x38 + (nr))
- #define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
- #define ADM1026_REG_FAN_DIV_0_3 0x02
- #define ADM1026_REG_FAN_DIV_4_7 0x03
- #define ADM1026_REG_DAC 0x04
- #define ADM1026_REG_PWM 0x05
- #define ADM1026_REG_GPIO_CFG_0_3 0x08
- #define ADM1026_REG_GPIO_CFG_4_7 0x09
- #define ADM1026_REG_GPIO_CFG_8_11 0x0a
- #define ADM1026_REG_GPIO_CFG_12_15 0x0b
- /* CFG_16 in REG_CFG3 */
- #define ADM1026_REG_GPIO_STATUS_0_7 0x24
- #define ADM1026_REG_GPIO_STATUS_8_15 0x25
- /* STATUS_16 in REG_STATUS4 */
- #define ADM1026_REG_GPIO_MASK_0_7 0x1c
- #define ADM1026_REG_GPIO_MASK_8_15 0x1d
- /* MASK_16 in REG_MASK4 */
- #define ADM1026_REG_COMPANY 0x16
- #define ADM1026_REG_VERSTEP 0x17
- /* These are the recognized values for the above regs */
- #define ADM1026_COMPANY_ANALOG_DEV 0x41
- #define ADM1026_VERSTEP_GENERIC 0x40
- #define ADM1026_VERSTEP_ADM1026 0x44
- #define ADM1026_REG_MASK1 0x18
- #define ADM1026_REG_MASK2 0x19
- #define ADM1026_REG_MASK3 0x1a
- #define ADM1026_REG_MASK4 0x1b
- #define ADM1026_REG_STATUS1 0x20
- #define ADM1026_REG_STATUS2 0x21
- #define ADM1026_REG_STATUS3 0x22
- #define ADM1026_REG_STATUS4 0x23
- #define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
- #define ADM1026_FAN_CONTROL_TEMP_RANGE 20
- #define ADM1026_PWM_MAX 255
- /*
- * Conversions. Rounding and limit checking is only done on the TO_REG
- * variants. Note that you should be a bit careful with which arguments
- * these macros are called: arguments may be evaluated more than once.
- */
- /*
- * IN are scaled according to built-in resistors. These are the
- * voltages corresponding to 3/4 of full scale (192 or 0xc0)
- * NOTE: The -12V input needs an additional factor to account
- * for the Vref pullup resistor.
- * NEG12_OFFSET = SCALE * Vref / V-192 - Vref
- * = 13875 * 2.50 / 1.875 - 2500
- * = 16000
- *
- * The values in this table are based on Table II, page 15 of the
- * datasheet.
- */
- static int adm1026_scaling[] = { /* .001 Volts */
- 2250, 2250, 2250, 2250, 2250, 2250,
- 1875, 1875, 1875, 1875, 3000, 3330,
- 3330, 4995, 2250, 12000, 13875
- };
- #define NEG12_OFFSET 16000
- #define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
- #define INS_TO_REG(n, val) \
- SCALE(clamp_val(val, 0, 255 * adm1026_scaling[n] / 192), \
- adm1026_scaling[n], 192)
- #define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
- /*
- * FAN speed is measured using 22.5kHz clock and counts for 2 pulses
- * and we assume a 2 pulse-per-rev fan tach signal
- * 22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
- */
- #define FAN_TO_REG(val, div) ((val) <= 0 ? 0xff : \
- clamp_val(1350000 / ((val) * (div)), \
- 1, 254))
- #define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 0xff ? 0 : \
- 1350000 / ((val) * (div)))
- #define DIV_FROM_REG(val) (1 << (val))
- #define DIV_TO_REG(val) ((val) >= 8 ? 3 : (val) >= 4 ? 2 : (val) >= 2 ? 1 : 0)
- /* Temperature is reported in 1 degC increments */
- #define TEMP_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \
- 1000)
- #define TEMP_FROM_REG(val) ((val) * 1000)
- #define OFFSET_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), \
- 1000)
- #define OFFSET_FROM_REG(val) ((val) * 1000)
- #define PWM_TO_REG(val) (clamp_val(val, 0, 255))
- #define PWM_FROM_REG(val) (val)
- #define PWM_MIN_TO_REG(val) ((val) & 0xf0)
- #define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
- /*
- * Analog output is a voltage, and scaled to millivolts. The datasheet
- * indicates that the DAC could be used to drive the fans, but in our
- * example board (Arima HDAMA) it isn't connected to the fans at all.
- */
- #define DAC_TO_REG(val) DIV_ROUND_CLOSEST(clamp_val(val, 0, 2500) * 255, \
- 2500)
- #define DAC_FROM_REG(val) (((val) * 2500) / 255)
- /*
- * Chip sampling rates
- *
- * Some sensors are not updated more frequently than once per second
- * so it doesn't make sense to read them more often than that.
- * We cache the results and return the saved data if the driver
- * is called again before a second has elapsed.
- *
- * Also, there is significant configuration data for this chip
- * So, we keep the config data up to date in the cache
- * when it is written and only sample it once every 5 *minutes*
- */
- #define ADM1026_DATA_INTERVAL (1 * HZ)
- #define ADM1026_CONFIG_INTERVAL (5 * 60 * HZ)
- /*
- * We allow for multiple chips in a single system.
- *
- * For each registered ADM1026, we need to keep state information
- * at client->data. The adm1026_data structure is dynamically
- * allocated, when a new client structure is allocated.
- */
- struct pwm_data {
- u8 pwm;
- u8 enable;
- u8 auto_pwm_min;
- };
- struct adm1026_data {
- struct i2c_client *client;
- const struct attribute_group *groups[3];
- struct mutex update_lock;
- bool valid; /* true if following fields are valid */
- unsigned long last_reading; /* In jiffies */
- unsigned long last_config; /* In jiffies */
- u8 in[17]; /* Register value */
- u8 in_max[17]; /* Register value */
- u8 in_min[17]; /* Register value */
- s8 temp[3]; /* Register value */
- s8 temp_min[3]; /* Register value */
- s8 temp_max[3]; /* Register value */
- s8 temp_tmin[3]; /* Register value */
- s8 temp_crit[3]; /* Register value */
- s8 temp_offset[3]; /* Register value */
- u8 fan[8]; /* Register value */
- u8 fan_min[8]; /* Register value */
- u8 fan_div[8]; /* Decoded value */
- struct pwm_data pwm1; /* Pwm control values */
- u8 vrm; /* VRM version */
- u8 analog_out; /* Register value (DAC) */
- long alarms; /* Register encoding, combined */
- long alarm_mask; /* Register encoding, combined */
- long gpio; /* Register encoding, combined */
- long gpio_mask; /* Register encoding, combined */
- u8 gpio_config[17]; /* Decoded value */
- u8 config1; /* Register value */
- u8 config2; /* Register value */
- u8 config3; /* Register value */
- };
- static int adm1026_read_value(struct i2c_client *client, u8 reg)
- {
- int res;
- if (reg < 0x80) {
- /* "RAM" locations */
- res = i2c_smbus_read_byte_data(client, reg) & 0xff;
- } else {
- /* EEPROM, do nothing */
- res = 0;
- }
- return res;
- }
- static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
- {
- int res;
- if (reg < 0x80) {
- /* "RAM" locations */
- res = i2c_smbus_write_byte_data(client, reg, value);
- } else {
- /* EEPROM, do nothing */
- res = 0;
- }
- return res;
- }
- static struct adm1026_data *adm1026_update_device(struct device *dev)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- int i;
- long value, alarms, gpio;
- 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, "Reading sensor values\n");
- for (i = 0; i <= 16; ++i) {
- data->in[i] =
- adm1026_read_value(client, ADM1026_REG_IN[i]);
- }
- for (i = 0; i <= 7; ++i) {
- data->fan[i] =
- adm1026_read_value(client, ADM1026_REG_FAN(i));
- }
- for (i = 0; i <= 2; ++i) {
- /*
- * NOTE: temp[] is s8 and we assume 2's complement
- * "conversion" in the assignment
- */
- data->temp[i] =
- adm1026_read_value(client, ADM1026_REG_TEMP[i]);
- }
- data->pwm1.pwm = adm1026_read_value(client,
- ADM1026_REG_PWM);
- data->analog_out = adm1026_read_value(client,
- ADM1026_REG_DAC);
- /* GPIO16 is MSbit of alarms, move it to gpio */
- alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
- gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
- alarms &= 0x7f;
- alarms <<= 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
- alarms <<= 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
- alarms <<= 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
- data->alarms = alarms;
- /* Read the GPIO values */
- gpio |= adm1026_read_value(client,
- ADM1026_REG_GPIO_STATUS_8_15);
- gpio <<= 8;
- gpio |= adm1026_read_value(client,
- ADM1026_REG_GPIO_STATUS_0_7);
- data->gpio = gpio;
- data->last_reading = jiffies;
- } /* last_reading */
- if (!data->valid ||
- time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
- /* Things that don't change often */
- dev_dbg(&client->dev, "Reading config values\n");
- for (i = 0; i <= 16; ++i) {
- data->in_min[i] = adm1026_read_value(client,
- ADM1026_REG_IN_MIN[i]);
- data->in_max[i] = adm1026_read_value(client,
- ADM1026_REG_IN_MAX[i]);
- }
- value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
- | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
- << 8);
- for (i = 0; i <= 7; ++i) {
- data->fan_min[i] = adm1026_read_value(client,
- ADM1026_REG_FAN_MIN(i));
- data->fan_div[i] = DIV_FROM_REG(value & 0x03);
- value >>= 2;
- }
- for (i = 0; i <= 2; ++i) {
- /*
- * NOTE: temp_xxx[] are s8 and we assume 2's
- * complement "conversion" in the assignment
- */
- data->temp_min[i] = adm1026_read_value(client,
- ADM1026_REG_TEMP_MIN[i]);
- data->temp_max[i] = adm1026_read_value(client,
- ADM1026_REG_TEMP_MAX[i]);
- data->temp_tmin[i] = adm1026_read_value(client,
- ADM1026_REG_TEMP_TMIN[i]);
- data->temp_crit[i] = adm1026_read_value(client,
- ADM1026_REG_TEMP_THERM[i]);
- data->temp_offset[i] = adm1026_read_value(client,
- ADM1026_REG_TEMP_OFFSET[i]);
- }
- /* Read the STATUS/alarm masks */
- alarms = adm1026_read_value(client, ADM1026_REG_MASK4);
- gpio = alarms & 0x80 ? 0x0100 : 0; /* GPIO16 */
- alarms = (alarms & 0x7f) << 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
- alarms <<= 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
- alarms <<= 8;
- alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
- data->alarm_mask = alarms;
- /* Read the GPIO values */
- gpio |= adm1026_read_value(client,
- ADM1026_REG_GPIO_MASK_8_15);
- gpio <<= 8;
- gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
- data->gpio_mask = gpio;
- /* Read various values from CONFIG1 */
- data->config1 = adm1026_read_value(client,
- ADM1026_REG_CONFIG1);
- if (data->config1 & CFG1_PWM_AFC) {
- data->pwm1.enable = 2;
- data->pwm1.auto_pwm_min =
- PWM_MIN_FROM_REG(data->pwm1.pwm);
- }
- /* Read the GPIO config */
- data->config2 = adm1026_read_value(client,
- ADM1026_REG_CONFIG2);
- data->config3 = adm1026_read_value(client,
- ADM1026_REG_CONFIG3);
- data->gpio_config[16] = (data->config3 >> 6) & 0x03;
- value = 0;
- for (i = 0; i <= 15; ++i) {
- if ((i & 0x03) == 0) {
- value = adm1026_read_value(client,
- ADM1026_REG_GPIO_CFG_0_3 + i/4);
- }
- data->gpio_config[i] = value & 0x03;
- value >>= 2;
- }
- data->last_config = jiffies;
- } /* last_config */
- data->valid = true;
- mutex_unlock(&data->update_lock);
- return data;
- }
- static ssize_t in_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in[nr]));
- }
- static ssize_t in_min_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr]));
- }
- static ssize_t in_min_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static ssize_t in_max_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr]));
- }
- static ssize_t in_max_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
- static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0);
- static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0);
- static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
- static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
- static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
- static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
- static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
- static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
- static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
- static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
- static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
- static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
- static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
- static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
- static SENSOR_DEVICE_ATTR_RO(in5_input, in, 5);
- static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
- static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
- static SENSOR_DEVICE_ATTR_RO(in6_input, in, 6);
- static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
- static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
- static SENSOR_DEVICE_ATTR_RO(in7_input, in, 7);
- static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7);
- static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7);
- static SENSOR_DEVICE_ATTR_RO(in8_input, in, 8);
- static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8);
- static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8);
- static SENSOR_DEVICE_ATTR_RO(in9_input, in, 9);
- static SENSOR_DEVICE_ATTR_RW(in9_min, in_min, 9);
- static SENSOR_DEVICE_ATTR_RW(in9_max, in_max, 9);
- static SENSOR_DEVICE_ATTR_RO(in10_input, in, 10);
- static SENSOR_DEVICE_ATTR_RW(in10_min, in_min, 10);
- static SENSOR_DEVICE_ATTR_RW(in10_max, in_max, 10);
- static SENSOR_DEVICE_ATTR_RO(in11_input, in, 11);
- static SENSOR_DEVICE_ATTR_RW(in11_min, in_min, 11);
- static SENSOR_DEVICE_ATTR_RW(in11_max, in_max, 11);
- static SENSOR_DEVICE_ATTR_RO(in12_input, in, 12);
- static SENSOR_DEVICE_ATTR_RW(in12_min, in_min, 12);
- static SENSOR_DEVICE_ATTR_RW(in12_max, in_max, 12);
- static SENSOR_DEVICE_ATTR_RO(in13_input, in, 13);
- static SENSOR_DEVICE_ATTR_RW(in13_min, in_min, 13);
- static SENSOR_DEVICE_ATTR_RW(in13_max, in_max, 13);
- static SENSOR_DEVICE_ATTR_RO(in14_input, in, 14);
- static SENSOR_DEVICE_ATTR_RW(in14_min, in_min, 14);
- static SENSOR_DEVICE_ATTR_RW(in14_max, in_max, 14);
- static SENSOR_DEVICE_ATTR_RO(in15_input, in, 15);
- static SENSOR_DEVICE_ATTR_RW(in15_min, in_min, 15);
- static SENSOR_DEVICE_ATTR_RW(in15_max, in_max, 15);
- static ssize_t in16_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in[16]) -
- NEG12_OFFSET);
- }
- static ssize_t in16_min_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_min[16])
- - NEG12_OFFSET);
- }
- static ssize_t in16_min_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->in_min[16] = INS_TO_REG(16,
- clamp_val(val, INT_MIN,
- INT_MAX - NEG12_OFFSET) +
- NEG12_OFFSET);
- adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static ssize_t in16_max_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", INS_FROM_REG(16, data->in_max[16])
- - NEG12_OFFSET);
- }
- static ssize_t in16_max_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->in_max[16] = INS_TO_REG(16,
- clamp_val(val, INT_MIN,
- INT_MAX - NEG12_OFFSET) +
- NEG12_OFFSET);
- adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RO(in16_input, in16, 16);
- static SENSOR_DEVICE_ATTR_RW(in16_min, in16_min, 16);
- static SENSOR_DEVICE_ATTR_RW(in16_max, in16_max, 16);
- /* Now add fan read/write functions */
- static ssize_t fan_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
- data->fan_div[nr]));
- }
- static ssize_t fan_min_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
- data->fan_div[nr]));
- }
- static ssize_t fan_min_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
- static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
- static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
- static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
- static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2);
- static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
- static SENSOR_DEVICE_ATTR_RO(fan4_input, fan, 3);
- static SENSOR_DEVICE_ATTR_RW(fan4_min, fan_min, 3);
- static SENSOR_DEVICE_ATTR_RO(fan5_input, fan, 4);
- static SENSOR_DEVICE_ATTR_RW(fan5_min, fan_min, 4);
- static SENSOR_DEVICE_ATTR_RO(fan6_input, fan, 5);
- static SENSOR_DEVICE_ATTR_RW(fan6_min, fan_min, 5);
- static SENSOR_DEVICE_ATTR_RO(fan7_input, fan, 6);
- static SENSOR_DEVICE_ATTR_RW(fan7_min, fan_min, 6);
- static SENSOR_DEVICE_ATTR_RO(fan8_input, fan, 7);
- static SENSOR_DEVICE_ATTR_RW(fan8_min, fan_min, 7);
- /* Adjust fan_min to account for new fan divisor */
- static void fixup_fan_min(struct device *dev, int fan, int old_div)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- int new_min;
- int new_div = data->fan_div[fan];
- /* 0 and 0xff are special. Don't adjust them */
- if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff)
- return;
- new_min = data->fan_min[fan] * old_div / new_div;
- new_min = clamp_val(new_min, 1, 254);
- data->fan_min[fan] = new_min;
- adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
- }
- /* Now add fan_div read/write functions */
- static ssize_t fan_div_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", data->fan_div[nr]);
- }
- static ssize_t fan_div_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int orig_div, new_div;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- new_div = DIV_TO_REG(val);
- mutex_lock(&data->update_lock);
- orig_div = data->fan_div[nr];
- data->fan_div[nr] = DIV_FROM_REG(new_div);
- if (nr < 4) { /* 0 <= nr < 4 */
- adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
- (DIV_TO_REG(data->fan_div[0]) << 0) |
- (DIV_TO_REG(data->fan_div[1]) << 2) |
- (DIV_TO_REG(data->fan_div[2]) << 4) |
- (DIV_TO_REG(data->fan_div[3]) << 6));
- } else { /* 3 < nr < 8 */
- adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
- (DIV_TO_REG(data->fan_div[4]) << 0) |
- (DIV_TO_REG(data->fan_div[5]) << 2) |
- (DIV_TO_REG(data->fan_div[6]) << 4) |
- (DIV_TO_REG(data->fan_div[7]) << 6));
- }
- if (data->fan_div[nr] != orig_div)
- fixup_fan_min(dev, nr, orig_div);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
- static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
- static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
- static SENSOR_DEVICE_ATTR_RW(fan4_div, fan_div, 3);
- static SENSOR_DEVICE_ATTR_RW(fan5_div, fan_div, 4);
- static SENSOR_DEVICE_ATTR_RW(fan6_div, fan_div, 5);
- static SENSOR_DEVICE_ATTR_RW(fan7_div, fan_div, 6);
- static SENSOR_DEVICE_ATTR_RW(fan8_div, fan_div, 7);
- /* Temps */
- static ssize_t temp_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
- }
- static ssize_t temp_min_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
- }
- static ssize_t temp_min_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static ssize_t temp_max_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
- }
- static ssize_t temp_max_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
- static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0);
- static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0);
- static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1);
- static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1);
- static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1);
- static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2);
- static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2);
- static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2);
- static ssize_t temp_offset_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
- }
- static ssize_t temp_offset_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RW(temp1_offset, temp_offset, 0);
- static SENSOR_DEVICE_ATTR_RW(temp2_offset, temp_offset, 1);
- static SENSOR_DEVICE_ATTR_RW(temp3_offset, temp_offset, 2);
- static ssize_t temp_auto_point1_temp_hyst_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(
- ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
- }
- static ssize_t temp_auto_point2_temp_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
- ADM1026_FAN_CONTROL_TEMP_RANGE));
- }
- static ssize_t temp_auto_point1_temp_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
- }
- static ssize_t temp_auto_point1_temp_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RW(temp1_auto_point1_temp, temp_auto_point1_temp, 0);
- static SENSOR_DEVICE_ATTR_RO(temp1_auto_point1_temp_hyst,
- temp_auto_point1_temp_hyst, 0);
- static SENSOR_DEVICE_ATTR_RO(temp1_auto_point2_temp, temp_auto_point2_temp, 0);
- static SENSOR_DEVICE_ATTR_RW(temp2_auto_point1_temp, temp_auto_point1_temp, 1);
- static SENSOR_DEVICE_ATTR_RO(temp2_auto_point1_temp_hyst,
- temp_auto_point1_temp_hyst, 1);
- static SENSOR_DEVICE_ATTR_RO(temp2_auto_point2_temp, temp_auto_point2_temp, 1);
- static SENSOR_DEVICE_ATTR_RW(temp3_auto_point1_temp, temp_auto_point1_temp, 2);
- static SENSOR_DEVICE_ATTR_RO(temp3_auto_point1_temp_hyst,
- temp_auto_point1_temp_hyst, 2);
- static SENSOR_DEVICE_ATTR_RO(temp3_auto_point2_temp, temp_auto_point2_temp, 2);
- static ssize_t show_temp_crit_enable(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
- }
- static ssize_t set_temp_crit_enable(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err)
- return err;
- if (val > 1)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
- adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static DEVICE_ATTR(temp1_crit_enable, 0644, show_temp_crit_enable,
- set_temp_crit_enable);
- static DEVICE_ATTR(temp2_crit_enable, 0644, show_temp_crit_enable,
- set_temp_crit_enable);
- static DEVICE_ATTR(temp3_crit_enable, 0644, show_temp_crit_enable,
- set_temp_crit_enable);
- static ssize_t temp_crit_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
- }
- static ssize_t temp_crit_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
- int nr = sensor_attr->index;
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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]);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static SENSOR_DEVICE_ATTR_RW(temp1_crit, temp_crit, 0);
- static SENSOR_DEVICE_ATTR_RW(temp2_crit, temp_crit, 1);
- static SENSOR_DEVICE_ATTR_RW(temp3_crit, temp_crit, 2);
- static ssize_t analog_out_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", DAC_FROM_REG(data->analog_out));
- }
- static ssize_t analog_out_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->analog_out = DAC_TO_REG(val);
- adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static DEVICE_ATTR_RW(analog_out);
- static ssize_t cpu0_vid_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- int vid = (data->gpio >> 11) & 0x1f;
- dev_dbg(dev, "Setting VID from GPIO11-15.\n");
- return sprintf(buf, "%d\n", vid_from_reg(vid, data->vrm));
- }
- static DEVICE_ATTR_RO(cpu0_vid);
- static ssize_t vrm_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", data->vrm);
- }
- static ssize_t vrm_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err)
- return err;
- if (val > 255)
- return -EINVAL;
- data->vrm = val;
- return count;
- }
- static DEVICE_ATTR_RW(vrm);
- static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%ld\n", data->alarms);
- }
- static DEVICE_ATTR_RO(alarms);
- static ssize_t alarm_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- int bitnr = to_sensor_dev_attr(attr)->index;
- return sprintf(buf, "%ld\n", (data->alarms >> bitnr) & 1);
- }
- static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 0);
- static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 1);
- static SENSOR_DEVICE_ATTR_RO(in9_alarm, alarm, 1);
- static SENSOR_DEVICE_ATTR_RO(in11_alarm, alarm, 2);
- static SENSOR_DEVICE_ATTR_RO(in12_alarm, alarm, 3);
- static SENSOR_DEVICE_ATTR_RO(in13_alarm, alarm, 4);
- static SENSOR_DEVICE_ATTR_RO(in14_alarm, alarm, 5);
- static SENSOR_DEVICE_ATTR_RO(in15_alarm, alarm, 6);
- static SENSOR_DEVICE_ATTR_RO(in16_alarm, alarm, 7);
- static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 8);
- static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 9);
- static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 10);
- static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 11);
- static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 12);
- static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 13);
- static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 14);
- static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 15);
- static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 16);
- static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 17);
- static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 18);
- static SENSOR_DEVICE_ATTR_RO(fan4_alarm, alarm, 19);
- static SENSOR_DEVICE_ATTR_RO(fan5_alarm, alarm, 20);
- static SENSOR_DEVICE_ATTR_RO(fan6_alarm, alarm, 21);
- static SENSOR_DEVICE_ATTR_RO(fan7_alarm, alarm, 22);
- static SENSOR_DEVICE_ATTR_RO(fan8_alarm, alarm, 23);
- static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 24);
- static SENSOR_DEVICE_ATTR_RO(in10_alarm, alarm, 25);
- static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 26);
- static ssize_t alarm_mask_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%ld\n", data->alarm_mask);
- }
- static ssize_t alarm_mask_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- unsigned long mask;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->alarm_mask = val & 0x7fffffff;
- mask = data->alarm_mask
- | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
- adm1026_write_value(client, ADM1026_REG_MASK1,
- mask & 0xff);
- mask >>= 8;
- adm1026_write_value(client, ADM1026_REG_MASK2,
- mask & 0xff);
- mask >>= 8;
- adm1026_write_value(client, ADM1026_REG_MASK3,
- mask & 0xff);
- mask >>= 8;
- adm1026_write_value(client, ADM1026_REG_MASK4,
- mask & 0xff);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static DEVICE_ATTR_RW(alarm_mask);
- static ssize_t gpio_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%ld\n", data->gpio);
- }
- static ssize_t gpio_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long gpio;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->gpio = val & 0x1ffff;
- gpio = data->gpio;
- adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7, gpio & 0xff);
- gpio >>= 8;
- 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);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static DEVICE_ATTR_RW(gpio);
- static ssize_t gpio_mask_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%ld\n", data->gpio_mask);
- }
- static ssize_t gpio_mask_store(struct device *dev,
- struct device_attribute *attr, const char *buf,
- size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- long mask;
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- 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);
- mask >>= 8;
- 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);
- mutex_unlock(&data->update_lock);
- return count;
- }
- static DEVICE_ATTR_RW(gpio_mask);
- static ssize_t pwm1_show(struct device *dev, struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm1.pwm));
- }
- static ssize_t pwm1_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- if (data->pwm1.enable == 1) {
- long val;
- int err;
- err = kstrtol(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->pwm1.pwm = PWM_TO_REG(val);
- adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
- mutex_unlock(&data->update_lock);
- }
- return count;
- }
- static ssize_t temp1_auto_point1_pwm_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", data->pwm1.auto_pwm_min);
- }
- static ssize_t temp1_auto_point1_pwm_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err)
- return err;
- mutex_lock(&data->update_lock);
- data->pwm1.auto_pwm_min = clamp_val(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);
- }
- mutex_unlock(&data->update_lock);
- return count;
- }
- static ssize_t temp1_auto_point2_pwm_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
- {
- return sprintf(buf, "%d\n", ADM1026_PWM_MAX);
- }
- static ssize_t pwm1_enable_show(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct adm1026_data *data = adm1026_update_device(dev);
- return sprintf(buf, "%d\n", data->pwm1.enable);
- }
- static ssize_t pwm1_enable_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
- {
- struct adm1026_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = data->client;
- int old_enable;
- unsigned long val;
- int err;
- err = kstrtoul(buf, 10, &val);
- if (err)
- return err;
- if (val >= 3)
- return -EINVAL;
- mutex_lock(&data->update_lock);
- old_enable = data->pwm1.enable;
- data->pwm1.enable = val;
- data->config1 = (data->config1 & ~CFG1_PWM_AFC)
- | ((val == 2) ? CFG1_PWM_AFC : 0);
- adm1026_write_value(client, ADM1026_REG_CONFIG1, data->config1);
- if (val == 2) { /* apply pwm1_auto_pwm_min to pwm1 */
- 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);
- } else if (!((old_enable == 1) && (val == 1))) {
- /* set pwm to safe value */
- data->pwm1.pwm = 255;
- adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
- }
- mutex_unlock(&data->update_lock);
- return count;
- }
- /* enable PWM fan control */
- static DEVICE_ATTR_RW(pwm1);
- static DEVICE_ATTR(pwm2, 0644, pwm1_show, pwm1_store);
- static DEVICE_ATTR(pwm3, 0644, pwm1_show, pwm1_store);
- static DEVICE_ATTR_RW(pwm1_enable);
- static DEVICE_ATTR(pwm2_enable, 0644, pwm1_enable_show,
- pwm1_enable_store);
- static DEVICE_ATTR(pwm3_enable, 0644, pwm1_enable_show,
- pwm1_enable_store);
- static DEVICE_ATTR_RW(temp1_auto_point1_pwm);
- static DEVICE_ATTR(temp2_auto_point1_pwm, 0644,
- temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store);
- static DEVICE_ATTR(temp3_auto_point1_pwm, 0644,
- temp1_auto_point1_pwm_show, temp1_auto_point1_pwm_store);
- static DEVICE_ATTR_RO(temp1_auto_point2_pwm);
- static DEVICE_ATTR(temp2_auto_point2_pwm, 0444, temp1_auto_point2_pwm_show,
- NULL);
- static DEVICE_ATTR(temp3_auto_point2_pwm, 0444, temp1_auto_point2_pwm_show,
- NULL);
- static struct attribute *adm1026_attributes[] = {
- &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,
- &sensor_dev_attr_in1_input.dev_attr.attr,
- &sensor_dev_attr_in1_max.dev_attr.attr,
- &sensor_dev_attr_in1_min.dev_attr.attr,
- &sensor_dev_attr_in1_alarm.dev_attr.attr,
- &sensor_dev_attr_in2_input.dev_attr.attr,
- &sensor_dev_attr_in2_max.dev_attr.attr,
- &sensor_dev_attr_in2_min.dev_attr.attr,
- &sensor_dev_attr_in2_alarm.dev_attr.attr,
- &sensor_dev_attr_in3_input.dev_attr.attr,
- &sensor_dev_attr_in3_max.dev_attr.attr,
- &sensor_dev_attr_in3_min.dev_attr.attr,
- &sensor_dev_attr_in3_alarm.dev_attr.attr,
- &sensor_dev_attr_in4_input.dev_attr.attr,
- &sensor_dev_attr_in4_max.dev_attr.attr,
- &sensor_dev_attr_in4_min.dev_attr.attr,
- &sensor_dev_attr_in4_alarm.dev_attr.attr,
- &sensor_dev_attr_in5_input.dev_attr.attr,
- &sensor_dev_attr_in5_max.dev_attr.attr,
- &sensor_dev_attr_in5_min.dev_attr.attr,
- &sensor_dev_attr_in5_alarm.dev_attr.attr,
- &sensor_dev_attr_in6_input.dev_attr.attr,
- &sensor_dev_attr_in6_max.dev_attr.attr,
- &sensor_dev_attr_in6_min.dev_attr.attr,
- &sensor_dev_attr_in6_alarm.dev_attr.attr,
- &sensor_dev_attr_in7_input.dev_attr.attr,
- &sensor_dev_attr_in7_max.dev_attr.attr,
- &sensor_dev_attr_in7_min.dev_attr.attr,
- &sensor_dev_attr_in7_alarm.dev_attr.attr,
- &sensor_dev_attr_in10_input.dev_attr.attr,
- &sensor_dev_attr_in10_max.dev_attr.attr,
- &sensor_dev_attr_in10_min.dev_attr.attr,
- &sensor_dev_attr_in10_alarm.dev_attr.attr,
- &sensor_dev_attr_in11_input.dev_attr.attr,
- &sensor_dev_attr_in11_max.dev_attr.attr,
- &sensor_dev_attr_in11_min.dev_attr.attr,
- &sensor_dev_attr_in11_alarm.dev_attr.attr,
- &sensor_dev_attr_in12_input.dev_attr.attr,
- &sensor_dev_attr_in12_max.dev_attr.attr,
- &sensor_dev_attr_in12_min.dev_attr.attr,
- &sensor_dev_attr_in12_alarm.dev_attr.attr,
- &sensor_dev_attr_in13_input.dev_attr.attr,
- &sensor_dev_attr_in13_max.dev_attr.attr,
- &sensor_dev_attr_in13_min.dev_attr.attr,
- &sensor_dev_attr_in13_alarm.dev_attr.attr,
- &sensor_dev_attr_in14_input.dev_attr.attr,
- &sensor_dev_attr_in14_max.dev_attr.attr,
- &sensor_dev_attr_in14_min.dev_attr.attr,
- &sensor_dev_attr_in14_alarm.dev_attr.attr,
- &sensor_dev_attr_in15_input.dev_attr.attr,
- &sensor_dev_attr_in15_max.dev_attr.attr,
- &sensor_dev_attr_in15_min.dev_attr.attr,
- &sensor_dev_attr_in15_alarm.dev_attr.attr,
- &sensor_dev_attr_in16_input.dev_attr.attr,
- &sensor_dev_attr_in16_max.dev_attr.attr,
- &sensor_dev_attr_in16_min.dev_attr.attr,
- &sensor_dev_attr_in16_alarm.dev_attr.attr,
- &sensor_dev_attr_fan1_input.dev_attr.attr,
- &sensor_dev_attr_fan1_div.dev_attr.attr,
- &sensor_dev_attr_fan1_min.dev_attr.attr,
- &sensor_dev_attr_fan1_alarm.dev_attr.attr,
- &sensor_dev_attr_fan2_input.dev_attr.attr,
- &sensor_dev_attr_fan2_div.dev_attr.attr,
- &sensor_dev_attr_fan2_min.dev_attr.attr,
- &sensor_dev_attr_fan2_alarm.dev_attr.attr,
- &sensor_dev_attr_fan3_input.dev_attr.attr,
- &sensor_dev_attr_fan3_div.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_div.dev_attr.attr,
- &sensor_dev_attr_fan4_min.dev_attr.attr,
- &sensor_dev_attr_fan4_alarm.dev_attr.attr,
- &sensor_dev_attr_fan5_input.dev_attr.attr,
- &sensor_dev_attr_fan5_div.dev_attr.attr,
- &sensor_dev_attr_fan5_min.dev_attr.attr,
- &sensor_dev_attr_fan5_alarm.dev_attr.attr,
- &sensor_dev_attr_fan6_input.dev_attr.attr,
- &sensor_dev_attr_fan6_div.dev_attr.attr,
- &sensor_dev_attr_fan6_min.dev_attr.attr,
- &sensor_dev_attr_fan6_alarm.dev_attr.attr,
- &sensor_dev_attr_fan7_input.dev_attr.attr,
- &sensor_dev_attr_fan7_div.dev_attr.attr,
- &sensor_dev_attr_fan7_min.dev_attr.attr,
- &sensor_dev_attr_fan7_alarm.dev_attr.attr,
- &sensor_dev_attr_fan8_input.dev_attr.attr,
- &sensor_dev_attr_fan8_div.dev_attr.attr,
- &sensor_dev_attr_fan8_min.dev_attr.attr,
- &sensor_dev_attr_fan8_alarm.dev_attr.attr,
- &sensor_dev_attr_temp1_input.dev_attr.attr,
- &sensor_dev_attr_temp1_max.dev_attr.attr,
- &sensor_dev_attr_temp1_min.dev_attr.attr,
- &sensor_dev_attr_temp1_alarm.dev_attr.attr,
- &sensor_dev_attr_temp2_input.dev_attr.attr,
- &sensor_dev_attr_temp2_max.dev_attr.attr,
- &sensor_dev_attr_temp2_min.dev_attr.attr,
- &sensor_dev_attr_temp2_alarm.dev_attr.attr,
- &sensor_dev_attr_temp1_offset.dev_attr.attr,
- &sensor_dev_attr_temp2_offset.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
- &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr.attr,
- &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr.attr,
- &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
- &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
- &sensor_dev_attr_temp1_crit.dev_attr.attr,
- &sensor_dev_attr_temp2_crit.dev_attr.attr,
- &dev_attr_temp1_crit_enable.attr,
- &dev_attr_temp2_crit_enable.attr,
- &dev_attr_cpu0_vid.attr,
- &dev_attr_vrm.attr,
- &dev_attr_alarms.attr,
- &dev_attr_alarm_mask.attr,
- &dev_attr_gpio.attr,
- &dev_attr_gpio_mask.attr,
- &dev_attr_pwm1.attr,
- &dev_attr_pwm2.attr,
- &dev_attr_pwm3.attr,
- &dev_attr_pwm1_enable.attr,
- &dev_attr_pwm2_enable.attr,
- &dev_attr_pwm3_enable.attr,
- &dev_attr_temp1_auto_point1_pwm.attr,
- &dev_attr_temp2_auto_point1_pwm.attr,
- &dev_attr_temp1_auto_point2_pwm.attr,
- &dev_attr_temp2_auto_point2_pwm.attr,
- &dev_attr_analog_out.attr,
- NULL
- };
- static const struct attribute_group adm1026_group = {
- .attrs = adm1026_attributes,
- };
- static struct attribute *adm1026_attributes_temp3[] = {
- &sensor_dev_attr_temp3_input.dev_attr.attr,
- &sensor_dev_attr_temp3_max.dev_attr.attr,
- &sensor_dev_attr_temp3_min.dev_attr.attr,
- &sensor_dev_attr_temp3_alarm.dev_attr.attr,
- &sensor_dev_attr_temp3_offset.dev_attr.attr,
- &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
- &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr.attr,
- &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
- &sensor_dev_attr_temp3_crit.dev_attr.attr,
- &dev_attr_temp3_crit_enable.attr,
- &dev_attr_temp3_auto_point1_pwm.attr,
- &dev_attr_temp3_auto_point2_pwm.attr,
- NULL
- };
- static const struct attribute_group adm1026_group_temp3 = {
- .attrs = adm1026_attributes_temp3,
- };
- static struct attribute *adm1026_attributes_in8_9[] = {
- &sensor_dev_attr_in8_input.dev_attr.attr,
- &sensor_dev_attr_in8_max.dev_attr.attr,
- &sensor_dev_attr_in8_min.dev_attr.attr,
- &sensor_dev_attr_in8_alarm.dev_attr.attr,
- &sensor_dev_attr_in9_input.dev_attr.attr,
- &sensor_dev_attr_in9_max.dev_attr.attr,
- &sensor_dev_attr_in9_min.dev_attr.attr,
- &sensor_dev_attr_in9_alarm.dev_attr.attr,
- NULL
- };
- static const struct attribute_group adm1026_group_in8_9 = {
- .attrs = adm1026_attributes_in8_9,
- };
- /* Return 0 if detection is successful, -ENODEV otherwise */
- static int adm1026_detect(struct i2c_client *client,
- struct i2c_board_info *info)
- {
- struct i2c_adapter *adapter = client->adapter;
- int address = client->addr;
- int company, verstep;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
- /* We need to be able to do byte I/O */
- return -ENODEV;
- }
- /* Now, we do the remaining detection. */
- company = adm1026_read_value(client, ADM1026_REG_COMPANY);
- verstep = adm1026_read_value(client, ADM1026_REG_VERSTEP);
- dev_dbg(&adapter->dev,
- "Detecting device at %d,0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
- i2c_adapter_id(client->adapter), client->addr,
- company, verstep);
- /* Determine the chip type. */
- dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x...\n",
- i2c_adapter_id(adapter), address);
- if (company == ADM1026_COMPANY_ANALOG_DEV
- && verstep == ADM1026_VERSTEP_ADM1026) {
- /* Analog Devices ADM1026 */
- } else if (company == ADM1026_COMPANY_ANALOG_DEV
- && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
- dev_err(&adapter->dev,
- "Unrecognized stepping 0x%02x. Defaulting to ADM1026.\n",
- verstep);
- } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
- dev_err(&adapter->dev,
- "Found version/stepping 0x%02x. Assuming generic ADM1026.\n",
- verstep);
- } else {
- dev_dbg(&adapter->dev, "Autodetection failed\n");
- /* Not an ADM1026... */
- return -ENODEV;
- }
- strscpy(info->type, "adm1026", I2C_NAME_SIZE);
- return 0;
- }
- static void adm1026_print_gpio(struct i2c_client *client)
- {
- struct adm1026_data *data = i2c_get_clientdata(client);
- int i;
- dev_dbg(&client->dev, "GPIO config is:\n");
- for (i = 0; i <= 7; ++i) {
- if (data->config2 & (1 << i)) {
- dev_dbg(&client->dev, "\t%sGP%s%d\n",
- data->gpio_config[i] & 0x02 ? "" : "!",
- data->gpio_config[i] & 0x01 ? "OUT" : "IN",
- i);
- } else {
- dev_dbg(&client->dev, "\tFAN%d\n", i);
- }
- }
- for (i = 8; i <= 15; ++i) {
- dev_dbg(&client->dev, "\t%sGP%s%d\n",
- data->gpio_config[i] & 0x02 ? "" : "!",
- data->gpio_config[i] & 0x01 ? "OUT" : "IN",
- i);
- }
- if (data->config3 & CFG3_GPIO16_ENABLE) {
- dev_dbg(&client->dev, "\t%sGP%s16\n",
- data->gpio_config[16] & 0x02 ? "" : "!",
- data->gpio_config[16] & 0x01 ? "OUT" : "IN");
- } else {
- /* GPIO16 is THERM */
- dev_dbg(&client->dev, "\tTHERM\n");
- }
- }
- static void adm1026_fixup_gpio(struct i2c_client *client)
- {
- struct adm1026_data *data = i2c_get_clientdata(client);
- int i;
- int value;
- /* Make the changes requested. */
- /*
- * We may need to unlock/stop monitoring or soft-reset the
- * chip before we can make changes. This hasn't been
- * tested much. FIXME
- */
- /* Make outputs */
- for (i = 0; i <= 16; ++i) {
- if (gpio_output[i] >= 0 && gpio_output[i] <= 16)
- data->gpio_config[gpio_output[i]] |= 0x01;
- /* if GPIO0-7 is output, it isn't a FAN tach */
- if (gpio_output[i] >= 0 && gpio_output[i] <= 7)
- data->config2 |= 1 << gpio_output[i];
- }
- /* Input overrides output */
- for (i = 0; i <= 16; ++i) {
- if (gpio_input[i] >= 0 && gpio_input[i] <= 16)
- data->gpio_config[gpio_input[i]] &= ~0x01;
- /* if GPIO0-7 is input, it isn't a FAN tach */
- if (gpio_input[i] >= 0 && gpio_input[i] <= 7)
- data->config2 |= 1 << gpio_input[i];
- }
- /* Inverted */
- for (i = 0; i <= 16; ++i) {
- if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16)
- data->gpio_config[gpio_inverted[i]] &= ~0x02;
- }
- /* Normal overrides inverted */
- for (i = 0; i <= 16; ++i) {
- if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16)
- data->gpio_config[gpio_normal[i]] |= 0x02;
- }
- /* Fan overrides input and output */
- for (i = 0; i <= 7; ++i) {
- if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7)
- data->config2 &= ~(1 << gpio_fan[i]);
- }
- /* Write new configs to registers */
- adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
- data->config3 = (data->config3 & 0x3f)
- | ((data->gpio_config[16] & 0x03) << 6);
- adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
- for (i = 15, value = 0; i >= 0; --i) {
- value <<= 2;
- value |= data->gpio_config[i] & 0x03;
- if ((i & 0x03) == 0) {
- adm1026_write_value(client,
- ADM1026_REG_GPIO_CFG_0_3 + i/4,
- value);
- value = 0;
- }
- }
- /* Print the new config */
- adm1026_print_gpio(client);
- }
- static void adm1026_init_client(struct i2c_client *client)
- {
- int value, i;
- struct adm1026_data *data = i2c_get_clientdata(client);
- dev_dbg(&client->dev, "Initializing device\n");
- /* Read chip config */
- data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
- data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
- data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
- /* Inform user of chip config */
- dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
- data->config1);
- if ((data->config1 & CFG1_MONITOR) == 0) {
- dev_dbg(&client->dev,
- "Monitoring not currently enabled.\n");
- }
- if (data->config1 & CFG1_INT_ENABLE) {
- dev_dbg(&client->dev,
- "SMBALERT interrupts are enabled.\n");
- }
- if (data->config1 & CFG1_AIN8_9) {
- dev_dbg(&client->dev,
- "in8 and in9 enabled. temp3 disabled.\n");
- } else {
- dev_dbg(&client->dev,
- "temp3 enabled. in8 and in9 disabled.\n");
- }
- if (data->config1 & CFG1_THERM_HOT) {
- dev_dbg(&client->dev,
- "Automatic THERM, PWM, and temp limits enabled.\n");
- }
- if (data->config3 & CFG3_GPIO16_ENABLE) {
- dev_dbg(&client->dev,
- "GPIO16 enabled. THERM pin disabled.\n");
- } else {
- dev_dbg(&client->dev,
- "THERM pin enabled. GPIO16 disabled.\n");
- }
- if (data->config3 & CFG3_VREF_250)
- dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
- else
- dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
- /* Read and pick apart the existing GPIO configuration */
- value = 0;
- for (i = 0; i <= 15; ++i) {
- if ((i & 0x03) == 0) {
- value = adm1026_read_value(client,
- ADM1026_REG_GPIO_CFG_0_3 + i / 4);
- }
- data->gpio_config[i] = value & 0x03;
- value >>= 2;
- }
- data->gpio_config[16] = (data->config3 >> 6) & 0x03;
- /* ... and then print it */
- adm1026_print_gpio(client);
- /*
- * If the user asks us to reprogram the GPIO config, then
- * do it now.
- */
- if (gpio_input[0] != -1 || gpio_output[0] != -1
- || gpio_inverted[0] != -1 || gpio_normal[0] != -1
- || gpio_fan[0] != -1) {
- adm1026_fixup_gpio(client);
- }
- /*
- * WE INTENTIONALLY make no changes to the limits,
- * offsets, pwms, fans and zones. If they were
- * configured, we don't want to mess with them.
- * If they weren't, the default is 100% PWM, no
- * control and will suffice until 'sensors -s'
- * can be run by the user. We DO set the default
- * value for pwm1.auto_pwm_min to its maximum
- * so that enabling automatic pwm fan control
- * without first setting a value for pwm1.auto_pwm_min
- * will not result in potentially dangerous fan speed decrease.
- */
- data->pwm1.auto_pwm_min = 255;
- /* Start monitoring */
- value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
- /* Set MONITOR, clear interrupt acknowledge and s/w reset */
- value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
- dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
- data->config1 = value;
- adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
- /* initialize fan_div[] to hardware defaults */
- value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
- (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
- for (i = 0; i <= 7; ++i) {
- data->fan_div[i] = DIV_FROM_REG(value & 0x03);
- value >>= 2;
- }
- }
- static int adm1026_probe(struct i2c_client *client)
- {
- struct device *dev = &client->dev;
- struct device *hwmon_dev;
- struct adm1026_data *data;
- data = devm_kzalloc(dev, sizeof(struct adm1026_data), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
- i2c_set_clientdata(client, data);
- data->client = client;
- mutex_init(&data->update_lock);
- /* Set the VRM version */
- data->vrm = vid_which_vrm();
- /* Initialize the ADM1026 chip */
- adm1026_init_client(client);
- /* sysfs hooks */
- data->groups[0] = &adm1026_group;
- if (data->config1 & CFG1_AIN8_9)
- data->groups[1] = &adm1026_group_in8_9;
- else
- data->groups[1] = &adm1026_group_temp3;
- hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
- data, data->groups);
- return PTR_ERR_OR_ZERO(hwmon_dev);
- }
- static const struct i2c_device_id adm1026_id[] = {
- { "adm1026", 0 },
- { }
- };
- MODULE_DEVICE_TABLE(i2c, adm1026_id);
- static struct i2c_driver adm1026_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "adm1026",
- },
- .probe_new = adm1026_probe,
- .id_table = adm1026_id,
- .detect = adm1026_detect,
- .address_list = normal_i2c,
- };
- module_i2c_driver(adm1026_driver);
- MODULE_LICENSE("GPL");
- MODULE_AUTHOR("Philip Pokorny <[email protected]>, "
- "Justin Thiessen <[email protected]>");
- MODULE_DESCRIPTION("ADM1026 driver");
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