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Diffstat (limited to 'drivers/hwmon/adm1026.c')
| -rw-r--r-- | drivers/hwmon/adm1026.c | 1714 |
1 files changed, 1714 insertions, 0 deletions
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c new file mode 100644 index 000000000000..3c85fe150cd7 --- /dev/null +++ b/drivers/hwmon/adm1026.c @@ -0,0 +1,1714 @@ +/* + adm1026.c - Part of lm_sensors, Linux kernel modules for hardware + monitoring + Copyright (C) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> + Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com> + + Chip details at: + + <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/i2c-sensor.h> +#include <linux/i2c-vid.h> +#include <linux/hwmon-sysfs.h> + +/* Addresses to scan */ +static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; +static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END }; + +/* Insmod parameters */ +SENSORS_INSMOD_1(adm1026); + +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 acording 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) (SENSORS_LIMIT(SCALE(val,adm1026_scaling[n],192),\ + 0,255)) +#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 : SENSORS_LIMIT(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) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ + -127,127)) +#define TEMP_FROM_REG(val) ((val) * 1000) +#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\ + -127,127)) +#define OFFSET_FROM_REG(val) ((val) * 1000) + +#define PWM_TO_REG(val) (SENSORS_LIMIT(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) (SENSORS_LIMIT(((((val)*255)+500)/2500),0,255)) +#define DAC_FROM_REG(val) (((val)*2500)/255) + +/* Typically used with systems using a v9.1 VRM spec ? */ +#define ADM1026_INIT_VRM 91 + +/* 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; + struct semaphore lock; + enum chips type; + + struct semaphore update_lock; + int valid; /* !=0 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 */ + int vid; /* Decoded value */ + 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_attach_adapter(struct i2c_adapter *adapter); +static int adm1026_detect(struct i2c_adapter *adapter, int address, + int kind); +static int adm1026_detach_client(struct i2c_client *client); +static int adm1026_read_value(struct i2c_client *client, u8 register); +static int adm1026_write_value(struct i2c_client *client, u8 register, + int value); +static void adm1026_print_gpio(struct i2c_client *client); +static void adm1026_fixup_gpio(struct i2c_client *client); +static struct adm1026_data *adm1026_update_device(struct device *dev); +static void adm1026_init_client(struct i2c_client *client); + + +static struct i2c_driver adm1026_driver = { + .owner = THIS_MODULE, + .name = "adm1026", + .flags = I2C_DF_NOTIFY, + .attach_adapter = adm1026_attach_adapter, + .detach_client = adm1026_detach_client, +}; + +int adm1026_attach_adapter(struct i2c_adapter *adapter) +{ + if (!(adapter->class & I2C_CLASS_HWMON)) { + return 0; + } + return i2c_detect(adapter, &addr_data, adm1026_detect); +} + +int adm1026_detach_client(struct i2c_client *client) +{ + i2c_detach_client(client); + kfree(client); + return 0; +} + +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; +} + +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; +} + +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"); + } + + value = data->config3; + 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; + } +} + +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:"); + 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"); + } +} + +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 struct adm1026_data *adm1026_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int i; + long value, alarms, gpio; + + down(&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 */ + + dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n"); + data->vid = (data->gpio >> 11) & 0x1f; + data->valid = 1; + up(&data->update_lock); + return data; +} + +static ssize_t show_in(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 show_in_min(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 set_in_min(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&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]); + up(&data->update_lock); + return count; +} +static ssize_t show_in_max(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 set_in_max(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&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]); + up(&data->update_lock); + return count; +} + +#define in_reg(offset) \ +static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ + NULL, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ + show_in_min, set_in_min, offset); \ +static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ + show_in_max, set_in_max, offset); + + +in_reg(0); +in_reg(1); +in_reg(2); +in_reg(3); +in_reg(4); +in_reg(5); +in_reg(6); +in_reg(7); +in_reg(8); +in_reg(9); +in_reg(10); +in_reg(11); +in_reg(12); +in_reg(13); +in_reg(14); +in_reg(15); + +static ssize_t show_in16(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 show_in16_min(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 set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET); + adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]); + up(&data->update_lock); + return count; +} +static ssize_t show_in16_max(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 set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET); + adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]); + up(&data->update_lock); + return count; +} + +static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL, 16); +static SENSOR_DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min, 16); +static SENSOR_DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max, 16); + + + + +/* Now add fan read/write functions */ + +static ssize_t show_fan(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 show_fan_min(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 set_fan_min(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&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]); + up(&data->update_lock); + return count; +} + +#define fan_offset(offset) \ +static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ + offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + show_fan_min, set_fan_min, offset - 1); + +fan_offset(1); +fan_offset(2); +fan_offset(3); +fan_offset(4); +fan_offset(5); +fan_offset(6); +fan_offset(7); +fan_offset(8); + +/* Adjust fan_min to account for new fan divisor */ +static void fixup_fan_min(struct device *dev, int fan, int old_div) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(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 = SENSORS_LIMIT(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 show_fan_div(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 set_fan_div(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val,orig_div,new_div,shift; + + val = simple_strtol(buf, NULL, 10); + new_div = DIV_TO_REG(val); + if (new_div == 0) { + return -EINVAL; + } + down(&data->update_lock); + orig_div = data->fan_div[nr]; + data->fan_div[nr] = DIV_FROM_REG(new_div); + + if (nr < 4) { /* 0 <= nr < 4 */ + shift = 2 * nr; + adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3, + ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) | + (new_div << shift))); + } else { /* 3 < nr < 8 */ + shift = 2 * (nr - 4); + adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7, + ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) | + (new_div << shift))); + } + + if (data->fan_div[nr] != orig_div) { + fixup_fan_min(dev,nr,orig_div); + } + up(&data->update_lock); + return count; +} + +#define fan_offset_div(offset) \ +static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ + show_fan_div, set_fan_div, offset - 1); + +fan_offset_div(1); +fan_offset_div(2); +fan_offset_div(3); +fan_offset_div(4); +fan_offset_div(5); +fan_offset_div(6); +fan_offset_div(7); +fan_offset_div(8); + +/* Temps */ +static ssize_t show_temp(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 show_temp_min(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 set_temp_min(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_min[nr] = TEMP_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr], + data->temp_min[nr]); + up(&data->update_lock); + return count; +} +static ssize_t show_temp_max(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 set_temp_max(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_max[nr] = TEMP_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr], + data->temp_max[nr]); + up(&data->update_lock); + return count; +} + +#define temp_reg(offset) \ +static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \ + NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ + show_temp_min, set_temp_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ + show_temp_max, set_temp_max, offset - 1); + + +temp_reg(1); +temp_reg(2); +temp_reg(3); + +static ssize_t show_temp_offset(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 set_temp_offset(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_offset[nr] = TEMP_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr], + data->temp_offset[nr]); + up(&data->update_lock); + return count; +} + +#define temp_offset_reg(offset) \ +static SENSOR_DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR, \ + show_temp_offset, set_temp_offset, offset - 1); + +temp_offset_reg(1); +temp_offset_reg(2); +temp_offset_reg(3); + +static ssize_t show_temp_auto_point1_temp_hyst(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 show_temp_auto_point2_temp(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 show_temp_auto_point1_temp(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 set_temp_auto_point1_temp(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_tmin[nr] = TEMP_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr], + data->temp_tmin[nr]); + up(&data->update_lock); + return count; +} + +#define temp_auto_point(offset) \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp, S_IRUGO | S_IWUSR, \ + show_temp_auto_point1_temp, set_temp_auto_point1_temp, \ + offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO, \ + show_temp_auto_point1_temp_hyst, NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO, \ + show_temp_auto_point2_temp, NULL, offset - 1); + +temp_auto_point(1); +temp_auto_point(2); +temp_auto_point(3); + +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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + if ((val == 1) || (val==0)) { + down(&data->update_lock); + data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4); + adm1026_write_value(client, ADM1026_REG_CONFIG1, + data->config1); + up(&data->update_lock); + } + return count; +} + +#define temp_crit_enable(offset) \ +static DEVICE_ATTR(temp##offset##_crit_enable, S_IRUGO | S_IWUSR, \ + show_temp_crit_enable, set_temp_crit_enable); + +temp_crit_enable(1); +temp_crit_enable(2); +temp_crit_enable(3); + +static ssize_t show_temp_crit(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 set_temp_crit(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 i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->temp_crit[nr] = TEMP_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr], + data->temp_crit[nr]); + up(&data->update_lock); + return count; +} + +#define temp_crit_reg(offset) \ +static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR, \ + show_temp_crit, set_temp_crit, offset - 1); + +temp_crit_reg(1); +temp_crit_reg(2); +temp_crit_reg(3); + +static ssize_t show_analog_out_reg(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 set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->analog_out = DAC_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out); + up(&data->update_lock); + return count; +} + +static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg, + set_analog_out_reg); + +static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm1026_data *data = adm1026_update_device(dev); + return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm)); +} +/* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */ +static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL); +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); + +static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm1026_data *data = adm1026_update_device(dev); + return sprintf(buf,"%d\n", data->vrm); +} +static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + + data->vrm = simple_strtol(buf, NULL, 10); + return count; +} + +static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); + +static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct adm1026_data *data = adm1026_update_device(dev); + return sprintf(buf, "%ld\n", (long) (data->alarms)); +} + +static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); + +static ssize_t show_alarm_mask(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 set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + unsigned long mask; + + down(&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); + up(&data->update_lock); + return count; +} + +static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask, + set_alarm_mask); + + +static ssize_t show_gpio(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 set_gpio(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + long gpio; + + down(&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); + up(&data->update_lock); + return count; +} + +static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio); + + +static ssize_t show_gpio_mask(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 set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + long mask; + + down(&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); + up(&data->update_lock); + return count; +} + +static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask); + +static ssize_t show_pwm_reg(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 set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + + if (data->pwm1.enable == 1) { + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->pwm1.pwm = PWM_TO_REG(val); + adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm); + up(&data->update_lock); + } + return count; +} +static ssize_t show_auto_pwm_min(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 set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->pwm1.auto_pwm_min = SENSORS_LIMIT(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); + } + up(&data->update_lock); + return count; +} +static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf) +{ + return sprintf(buf,"%d\n", ADM1026_PWM_MAX); +} +static ssize_t show_pwm_enable(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 set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1026_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + int old_enable; + + if ((val >= 0) && (val < 3)) { + down(&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); + } + up(&data->update_lock); + } + return count; +} + +/* enable PWM fan control */ +static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); +static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); +static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); +static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + set_pwm_enable); +static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + set_pwm_enable); +static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable, + set_pwm_enable); +static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm_min, set_auto_pwm_min); +static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm_min, set_auto_pwm_min); +static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm_min, set_auto_pwm_min); + +static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); +static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); +static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL); + +int adm1026_detect(struct i2c_adapter *adapter, int address, + int kind) +{ + int company, verstep; + struct i2c_client *new_client; + struct adm1026_data *data; + int err = 0; + const char *type_name = ""; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { + /* We need to be able to do byte I/O */ + goto exit; + }; + + /* OK. For now, we presume we have a valid client. We now create the + client structure, even though we cannot fill it completely yet. + But it allows us to access adm1026_{read,write}_value. */ + + if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) { + err = -ENOMEM; + goto exit; + } + + memset(data, 0, sizeof(struct adm1026_data)); + + new_client = &data->client; + i2c_set_clientdata(new_client, data); + new_client->addr = address; + new_client->adapter = adapter; + new_client->driver = &adm1026_driver; + new_client->flags = 0; + + /* Now, we do the remaining detection. */ + + company = adm1026_read_value(new_client, ADM1026_REG_COMPANY); + verstep = adm1026_read_value(new_client, ADM1026_REG_VERSTEP); + + dev_dbg(&new_client->dev, "Detecting device at %d,0x%02x with" + " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", + i2c_adapter_id(new_client->adapter), new_client->addr, + company, verstep); + + /* If auto-detecting, Determine the chip type. */ + if (kind <= 0) { + dev_dbg(&new_client->dev, "Autodetecting device at %d,0x%02x " + "...\n", i2c_adapter_id(adapter), address); + if (company == ADM1026_COMPANY_ANALOG_DEV + && verstep == ADM1026_VERSTEP_ADM1026) { + kind = 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); + kind = adm1026; + } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) { + dev_err(&adapter->dev, ": Found version/stepping " + "0x%02x. Assuming generic ADM1026.\n", + verstep); + kind = any_chip; + } else { + dev_dbg(&new_client->dev, ": Autodetection " + "failed\n"); + /* Not an ADM1026 ... */ + if (kind == 0) { /* User used force=x,y */ + dev_err(&adapter->dev, "Generic ADM1026 not " + "found at %d,0x%02x. Try " + "force_adm1026.\n", + i2c_adapter_id(adapter), address); + } + err = 0; + goto exitfree; + } + } + + /* Fill in the chip specific driver values */ + switch (kind) { + case any_chip : + type_name = "adm1026"; + break; + case adm1026 : + type_name = "adm1026"; + break; + default : + dev_err(&adapter->dev, ": Internal error, invalid " + "kind (%d)!", kind); + err = -EFAULT; + goto exitfree; + } + strlcpy(new_client->name, type_name, I2C_NAME_SIZE); + + /* Fill in the remaining client fields */ + data->type = kind; + data->valid = 0; + init_MUTEX(&data->update_lock); + + /* Tell the I2C layer a new client has arrived */ + if ((err = i2c_attach_client(new_client))) + goto exitfree; + + /* Set the VRM version */ + data->vrm = i2c_which_vrm(); + + /* Initialize the ADM1026 chip */ + adm1026_init_client(new_client); + + /* Register sysfs hooks */ + device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in8_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in8_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in9_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in9_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in9_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in10_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in10_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in10_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in11_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in11_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in11_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in12_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in12_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in12_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in13_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in13_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in13_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in14_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in14_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in14_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in15_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in15_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in15_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in16_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in16_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_in16_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan4_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan4_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan4_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan5_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan5_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan5_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan6_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan6_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan6_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan7_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan7_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan7_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan8_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan8_div.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_fan8_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_offset.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_offset.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_offset.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_auto_point1_temp.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_auto_point1_temp.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_auto_point1_temp.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_auto_point1_temp_hyst.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_auto_point1_temp_hyst.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_auto_point1_temp_hyst.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp1_auto_point2_temp.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp2_auto_point2_temp.dev_attr); + device_create_file(&new_client->dev, + &sensor_dev_attr_temp3_auto_point2_temp.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp2_crit.dev_attr); + device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr); + device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable); + device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable); + device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable); + /* vid deprecated in favour of cpu0_vid, remove after 2005-11-11 */ + device_create_file(&new_client->dev, &dev_attr_vid); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); + device_create_file(&new_client->dev, &dev_attr_vrm); + device_create_file(&new_client->dev, &dev_attr_alarms); + device_create_file(&new_client->dev, &dev_attr_alarm_mask); + device_create_file(&new_client->dev, &dev_attr_gpio); + device_create_file(&new_client->dev, &dev_attr_gpio_mask); + device_create_file(&new_client->dev, &dev_attr_pwm1); + device_create_file(&new_client->dev, &dev_attr_pwm2); + device_create_file(&new_client->dev, &dev_attr_pwm3); + device_create_file(&new_client->dev, &dev_attr_pwm1_enable); + device_create_file(&new_client->dev, &dev_attr_pwm2_enable); + device_create_file(&new_client->dev, &dev_attr_pwm3_enable); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_point1_pwm); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_point1_pwm); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_point1_pwm); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_point2_pwm); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_point2_pwm); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_point2_pwm); + device_create_file(&new_client->dev, &dev_attr_analog_out); + return 0; + + /* Error out and cleanup code */ +exitfree: + kfree(new_client); +exit: + return err; +} +static int __init sm_adm1026_init(void) +{ + return i2c_add_driver(&adm1026_driver); +} + +static void __exit sm_adm1026_exit(void) +{ + i2c_del_driver(&adm1026_driver); +} + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, " + "Justin Thiessen <jthiessen@penguincomputing.com>"); +MODULE_DESCRIPTION("ADM1026 driver"); + +module_init(sm_adm1026_init); +module_exit(sm_adm1026_exit); |