| /* |
| 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/hwmon.h> |
| #include <linux/hwmon-sysfs.h> |
| #include <linux/hwmon-vid.h> |
| #include <linux/err.h> |
| #include <linux/mutex.h> |
| |
| /* Addresses to scan */ |
| static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
| |
| /* Insmod parameters */ |
| I2C_CLIENT_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 class_device *class_dev; |
| struct mutex lock; |
| enum chips type; |
| |
| struct mutex 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 reg); |
| static int adm1026_write_value(struct i2c_client *client, u8 reg, 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 = { |
| .driver = { |
| .name = "adm1026", |
| }, |
| .attach_adapter = adm1026_attach_adapter, |
| .detach_client = adm1026_detach_client, |
| }; |
| |
| static int adm1026_attach_adapter(struct i2c_adapter *adapter) |
| { |
| if (!(adapter->class & I2C_CLASS_HWMON)) { |
| return 0; |
| } |
| return i2c_probe(adapter, &addr_data, adm1026_detect); |
| } |
| |
| 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 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; |
| } |
| } |
| |
| 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:"); |
| 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 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; |
| |
| 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 */ |
| |
| dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n"); |
| data->vid = (data->gpio >> 11) & 0x1f; |
| data->valid = 1; |
| mutex_unlock(&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); |
| |
| 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 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); |
| |
| 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; |
| } |
| |
| #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); |
| |
| mutex_lock(&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]); |
| mutex_unlock(&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); |
| |
| mutex_lock(&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]); |
| mutex_unlock(&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); |
| |
| 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; |
| } |
| |
| #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; |
| } |
| 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 */ |
| 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); |
| } |
| mutex_unlock(&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); |
| |
| 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 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); |
| |
| 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; |
| } |
| |
| #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); |
| |
| 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; |
| } |
| |
| #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); |
| |
| 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; |
| } |
| |
| #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)) { |
| 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; |
| } |
| |
| #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); |
| |
| 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; |
| } |
| |
| #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); |
| |
| 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(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)); |
| } |
| 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; |
| |
| 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(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; |
| |
| 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(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; |
| |
| 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(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); |
| |
| 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 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); |
| |
| mutex_lock(&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); |
| } |
| mutex_unlock(&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)) { |
| 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(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); |
| |
| 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_in1_input.dev_attr.attr, |
| &sensor_dev_attr_in1_max.dev_attr.attr, |
| &sensor_dev_attr_in1_min.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_in3_input.dev_attr.attr, |
| &sensor_dev_attr_in3_max.dev_attr.attr, |
| &sensor_dev_attr_in3_min.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_in5_input.dev_attr.attr, |
| &sensor_dev_attr_in5_max.dev_attr.attr, |
| &sensor_dev_attr_in5_min.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_in7_input.dev_attr.attr, |
| &sensor_dev_attr_in7_max.dev_attr.attr, |
| &sensor_dev_attr_in7_min.dev_attr.attr, |
| &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_in9_input.dev_attr.attr, |
| &sensor_dev_attr_in9_max.dev_attr.attr, |
| &sensor_dev_attr_in9_min.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_in11_input.dev_attr.attr, |
| &sensor_dev_attr_in11_max.dev_attr.attr, |
| &sensor_dev_attr_in11_min.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_in13_input.dev_attr.attr, |
| &sensor_dev_attr_in13_max.dev_attr.attr, |
| &sensor_dev_attr_in13_min.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_in15_input.dev_attr.attr, |
| &sensor_dev_attr_in15_max.dev_attr.attr, |
| &sensor_dev_attr_in15_min.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_fan1_input.dev_attr.attr, |
| &sensor_dev_attr_fan1_div.dev_attr.attr, |
| &sensor_dev_attr_fan1_min.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_fan3_input.dev_attr.attr, |
| &sensor_dev_attr_fan3_div.dev_attr.attr, |
| &sensor_dev_attr_fan3_min.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_fan5_input.dev_attr.attr, |
| &sensor_dev_attr_fan5_div.dev_attr.attr, |
| &sensor_dev_attr_fan5_min.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_fan7_input.dev_attr.attr, |
| &sensor_dev_attr_fan7_div.dev_attr.attr, |
| &sensor_dev_attr_fan7_min.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_temp1_input.dev_attr.attr, |
| &sensor_dev_attr_temp1_max.dev_attr.attr, |
| &sensor_dev_attr_temp1_min.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_temp3_input.dev_attr.attr, |
| &sensor_dev_attr_temp3_max.dev_attr.attr, |
| &sensor_dev_attr_temp3_min.dev_attr.attr, |
| &sensor_dev_attr_temp1_offset.dev_attr.attr, |
| &sensor_dev_attr_temp2_offset.dev_attr.attr, |
| &sensor_dev_attr_temp3_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_temp3_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_temp3_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_temp3_auto_point2_temp.dev_attr.attr, |
| &sensor_dev_attr_temp1_crit.dev_attr.attr, |
| &sensor_dev_attr_temp2_crit.dev_attr.attr, |
| &sensor_dev_attr_temp3_crit.dev_attr.attr, |
| &dev_attr_temp1_crit_enable.attr, |
| &dev_attr_temp2_crit_enable.attr, |
| &dev_attr_temp3_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_temp3_auto_point1_pwm.attr, |
| &dev_attr_temp1_auto_point2_pwm.attr, |
| &dev_attr_temp2_auto_point2_pwm.attr, |
| &dev_attr_temp3_auto_point2_pwm.attr, |
| &dev_attr_analog_out.attr, |
| NULL |
| }; |
| |
| static const struct attribute_group adm1026_group = { |
| .attrs = adm1026_attributes, |
| }; |
| |
| static 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 = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) { |
| err = -ENOMEM; |
| goto exit; |
| } |
| |
| 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; |
| mutex_init(&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 = vid_which_vrm(); |
| |
| /* Initialize the ADM1026 chip */ |
| adm1026_init_client(new_client); |
| |
| /* Register sysfs hooks */ |
| if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1026_group))) |
| goto exitdetach; |
| |
| data->class_dev = hwmon_device_register(&new_client->dev); |
| if (IS_ERR(data->class_dev)) { |
| err = PTR_ERR(data->class_dev); |
| goto exitremove; |
| } |
| |
| return 0; |
| |
| /* Error out and cleanup code */ |
| exitremove: |
| sysfs_remove_group(&new_client->dev.kobj, &adm1026_group); |
| exitdetach: |
| i2c_detach_client(new_client); |
| exitfree: |
| kfree(data); |
| exit: |
| return err; |
| } |
| |
| static int adm1026_detach_client(struct i2c_client *client) |
| { |
| struct adm1026_data *data = i2c_get_clientdata(client); |
| hwmon_device_unregister(data->class_dev); |
| sysfs_remove_group(&client->dev.kobj, &adm1026_group); |
| i2c_detach_client(client); |
| kfree(data); |
| return 0; |
| } |
| |
| 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); |
