diff options
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/Kconfig | 29 | ||||
-rw-r--r-- | drivers/hwmon/Makefile | 2 | ||||
-rw-r--r-- | drivers/hwmon/adt7462.c | 2002 | ||||
-rw-r--r-- | drivers/hwmon/adt7470.c | 75 | ||||
-rw-r--r-- | drivers/hwmon/adt7473.c | 89 | ||||
-rw-r--r-- | drivers/hwmon/applesmc.c | 42 | ||||
-rw-r--r-- | drivers/hwmon/ibmaem.c | 18 | ||||
-rw-r--r-- | drivers/hwmon/lis3lv02d.c | 582 | ||||
-rw-r--r-- | drivers/hwmon/lis3lv02d.h | 149 | ||||
-rw-r--r-- | drivers/hwmon/lm85.c | 52 |
10 files changed, 2997 insertions, 43 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6de1e0f..c709e82 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -159,6 +159,16 @@ config SENSORS_ADM9240 This driver can also be built as a module. If so, the module will be called adm9240. +config SENSORS_ADT7462 + tristate "Analog Devices ADT7462" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Analog Devices + ADT7462 temperature monitoring chips. + + This driver can also be built as a module. If so, the module + will be called adt7462. + config SENSORS_ADT7470 tristate "Analog Devices ADT7470" depends on I2C && EXPERIMENTAL @@ -825,6 +835,25 @@ config SENSORS_HDAPS Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. +config SENSORS_LIS3LV02D + tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer" + depends on ACPI && INPUT + default n + help + This driver provides support for the LIS3LV02Dx accelerometer. In + particular, it can be found in a number of HP laptops, which have the + "Mobile Data Protection System 3D" or "3D DriveGuard" feature. On such + systems the driver should load automatically (via ACPI). The + accelerometer might also be found in other systems, connected via SPI + or I2C. The accelerometer data is readable via + /sys/devices/platform/lis3lv02d. + + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. + + This driver can also be built as a module. If so, the module + will be called lis3lv02d. + config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" depends on INPUT && X86 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 042d5a7..58fc5be 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_ADM1029) += adm1029.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o +obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o @@ -48,6 +49,7 @@ obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o +obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM75) += lm75.o diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c new file mode 100644 index 0000000..66107b4 --- /dev/null +++ b/drivers/hwmon/adt7462.c @@ -0,0 +1,2002 @@ +/* + * A hwmon driver for the Analog Devices ADT7462 + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong <djwong@us.ibm.com> + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/jiffies.h> +#include <linux/i2c.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/err.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/log2.h> + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(adt7462); + +/* ADT7462 registers */ +#define ADT7462_REG_DEVICE 0x3D +#define ADT7462_REG_VENDOR 0x3E +#define ADT7462_REG_REVISION 0x3F + +#define ADT7462_REG_MIN_TEMP_BASE_ADDR 0x44 +#define ADT7462_REG_MIN_TEMP_MAX_ADDR 0x47 +#define ADT7462_REG_MAX_TEMP_BASE_ADDR 0x48 +#define ADT7462_REG_MAX_TEMP_MAX_ADDR 0x4B +#define ADT7462_REG_TEMP_BASE_ADDR 0x88 +#define ADT7462_REG_TEMP_MAX_ADDR 0x8F + +#define ADT7462_REG_FAN_BASE_ADDR 0x98 +#define ADT7462_REG_FAN_MAX_ADDR 0x9F +#define ADT7462_REG_FAN2_BASE_ADDR 0xA2 +#define ADT7462_REG_FAN2_MAX_ADDR 0xA9 +#define ADT7462_REG_FAN_ENABLE 0x07 +#define ADT7462_REG_FAN_MIN_BASE_ADDR 0x78 +#define ADT7462_REG_FAN_MIN_MAX_ADDR 0x7F + +#define ADT7462_REG_CFG2 0x02 +#define ADT7462_FSPD_MASK 0x20 + +#define ADT7462_REG_PWM_BASE_ADDR 0xAA +#define ADT7462_REG_PWM_MAX_ADDR 0xAD +#define ADT7462_REG_PWM_MIN_BASE_ADDR 0x28 +#define ADT7462_REG_PWM_MIN_MAX_ADDR 0x2B +#define ADT7462_REG_PWM_MAX 0x2C +#define ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR 0x5C +#define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F +#define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60 +#define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63 +#define ADT7462_PWM_HYST_MASK 0x0F +#define ADT7462_PWM_RANGE_MASK 0xF0 +#define ADT7462_PWM_RANGE_SHIFT 4 +#define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21 +#define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24 +#define ADT7462_PWM_CHANNEL_MASK 0xE0 +#define ADT7462_PWM_CHANNEL_SHIFT 5 + +#define ADT7462_REG_PIN_CFG_BASE_ADDR 0x10 +#define ADT7462_REG_PIN_CFG_MAX_ADDR 0x13 +#define ADT7462_PIN7_INPUT 0x01 /* cfg0 */ +#define ADT7462_DIODE3_INPUT 0x20 +#define ADT7462_DIODE1_INPUT 0x40 +#define ADT7462_VID_INPUT 0x80 +#define ADT7462_PIN22_INPUT 0x04 /* cfg1 */ +#define ADT7462_PIN21_INPUT 0x08 +#define ADT7462_PIN19_INPUT 0x10 +#define ADT7462_PIN15_INPUT 0x20 +#define ADT7462_PIN13_INPUT 0x40 +#define ADT7462_PIN8_INPUT 0x80 +#define ADT7462_PIN23_MASK 0x03 +#define ADT7462_PIN23_SHIFT 0 +#define ADT7462_PIN26_MASK 0x0C /* cfg2 */ +#define ADT7462_PIN26_SHIFT 2 +#define ADT7462_PIN25_MASK 0x30 +#define ADT7462_PIN25_SHIFT 4 +#define ADT7462_PIN24_MASK 0xC0 +#define ADT7462_PIN24_SHIFT 6 +#define ADT7462_PIN26_VOLT_INPUT 0x08 +#define ADT7462_PIN25_VOLT_INPUT 0x20 +#define ADT7462_PIN28_SHIFT 6 /* cfg3 */ +#define ADT7462_PIN28_VOLT 0x5 + +#define ADT7462_REG_ALARM1 0xB8 +#define ADT7462_LT_ALARM 0x02 +#define ADT7462_R1T_ALARM 0x04 +#define ADT7462_R2T_ALARM 0x08 +#define ADT7462_R3T_ALARM 0x10 +#define ADT7462_REG_ALARM2 0xBB +#define ADT7462_V0_ALARM 0x01 +#define ADT7462_V1_ALARM 0x02 +#define ADT7462_V2_ALARM 0x04 +#define ADT7462_V3_ALARM 0x08 +#define ADT7462_V4_ALARM 0x10 +#define ADT7462_V5_ALARM 0x20 +#define ADT7462_V6_ALARM 0x40 +#define ADT7462_V7_ALARM 0x80 +#define ADT7462_REG_ALARM3 0xBC +#define ADT7462_V8_ALARM 0x08 +#define ADT7462_V9_ALARM 0x10 +#define ADT7462_V10_ALARM 0x20 +#define ADT7462_V11_ALARM 0x40 +#define ADT7462_V12_ALARM 0x80 +#define ADT7462_REG_ALARM4 0xBD +#define ADT7462_F0_ALARM 0x01 +#define ADT7462_F1_ALARM 0x02 +#define ADT7462_F2_ALARM 0x04 +#define ADT7462_F3_ALARM 0x08 +#define ADT7462_F4_ALARM 0x10 +#define ADT7462_F5_ALARM 0x20 +#define ADT7462_F6_ALARM 0x40 +#define ADT7462_F7_ALARM 0x80 +#define ADT7462_ALARM1 0x0000 +#define ADT7462_ALARM2 0x0100 +#define ADT7462_ALARM3 0x0200 +#define ADT7462_ALARM4 0x0300 +#define ADT7462_ALARM_REG_SHIFT 8 +#define ADT7462_ALARM_FLAG_MASK 0x0F + +#define ADT7462_TEMP_COUNT 4 +#define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + (x * 2)) +#define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x)) +#define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x)) +#define TEMP_FRAC_OFFSET 6 + +#define ADT7462_FAN_COUNT 8 +#define ADT7462_REG_FAN_MIN(x) (ADT7462_REG_FAN_MIN_BASE_ADDR + (x)) + +#define ADT7462_PWM_COUNT 4 +#define ADT7462_REG_PWM(x) (ADT7462_REG_PWM_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_MIN(x) (ADT7462_REG_PWM_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TMIN(x) \ + (ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TRANGE(x) \ + (ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR + (x)) + +#define ADT7462_PIN_CFG_REG_COUNT 4 +#define ADT7462_REG_PIN_CFG(x) (ADT7462_REG_PIN_CFG_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_CFG(x) (ADT7462_REG_PWM_CFG_BASE_ADDR + (x)) + +#define ADT7462_ALARM_REG_COUNT 4 + +/* + * The chip can measure 13 different voltage sources: + * + * 1. +12V1 (pin 7) + * 2. Vccp1/+2.5V/+1.8V/+1.5V (pin 23) + * 3. +12V3 (pin 22) + * 4. +5V (pin 21) + * 5. +1.25V/+0.9V (pin 19) + * 6. +2.5V/+1.8V (pin 15) + * 7. +3.3v (pin 13) + * 8. +12V2 (pin 8) + * 9. Vbatt/FSB_Vtt (pin 26) + * A. +3.3V/+1.2V1 (pin 25) + * B. Vccp2/+2.5V/+1.8V/+1.5V (pin 24) + * C. +1.5V ICH (only if BOTH pin 28/29 are set to +1.5V) + * D. +1.5V 3GPIO (only if BOTH pin 28/29 are set to +1.5V) + * + * Each of these 13 has a factor to convert raw to voltage. Even better, + * the pins can be connected to other sensors (tach/gpio/hot/etc), which + * makes the bookkeeping tricky. + * + * Some, but not all, of these voltages have low/high limits. + */ +#define ADT7462_VOLT_COUNT 12 + +#define ADT7462_VENDOR 0x41 +#define ADT7462_DEVICE 0x62 +/* datasheet only mentions a revision 4 */ +#define ADT7462_REVISION 0x04 + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +/* datasheet says to divide this number by the fan reading to get fan rpm */ +#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) +#define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM +#define FAN_PERIOD_INVALID 65535 +#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) + +#define MASK_AND_SHIFT(value, prefix) \ + (((value) & prefix##_MASK) >> prefix##_SHIFT) + +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + +struct adt7462_data { + struct device *hwmon_dev; + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + char limits_valid; + unsigned long sensors_last_updated; /* In jiffies */ + unsigned long limits_last_updated; /* In jiffies */ + + u8 temp[ADT7462_TEMP_COUNT]; + /* bits 6-7 are quarter pieces of temp */ + u8 temp_frac[ADT7462_TEMP_COUNT]; + u8 temp_min[ADT7462_TEMP_COUNT]; + u8 temp_max[ADT7462_TEMP_COUNT]; + u16 fan[ADT7462_FAN_COUNT]; + u8 fan_enabled; + u8 fan_min[ADT7462_FAN_COUNT]; + u8 cfg2; + u8 pwm[ADT7462_PWM_COUNT]; + u8 pin_cfg[ADT7462_PIN_CFG_REG_COUNT]; + u8 voltages[ADT7462_VOLT_COUNT]; + u8 volt_max[ADT7462_VOLT_COUNT]; + u8 volt_min[ADT7462_VOLT_COUNT]; + u8 pwm_min[ADT7462_PWM_COUNT]; + u8 pwm_tmin[ADT7462_PWM_COUNT]; + u8 pwm_trange[ADT7462_PWM_COUNT]; + u8 pwm_max; /* only one per chip */ + u8 pwm_cfg[ADT7462_PWM_COUNT]; + u8 alarms[ADT7462_ALARM_REG_COUNT]; +}; + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); +static int adt7462_remove(struct i2c_client *client); + +static const struct i2c_device_id adt7462_id[] = { + { "adt7462", adt7462 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adt7462_id); + +static struct i2c_driver adt7462_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "adt7462", + }, + .probe = adt7462_probe, + .remove = adt7462_remove, + .id_table = adt7462_id, + .detect = adt7462_detect, + .address_data = &addr_data, +}; + +/* + * 16-bit registers on the ADT7462 are low-byte first. The data sheet says + * that the low byte must be read before the high byte. + */ +static inline int adt7462_read_word_data(struct i2c_client *client, u8 reg) +{ + u16 foo; + foo = i2c_smbus_read_byte_data(client, reg); + foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); + return foo; +} + +/* For some reason these registers are not contiguous. */ +static int ADT7462_REG_FAN(int fan) +{ + if (fan < 4) + return ADT7462_REG_FAN_BASE_ADDR + (2 * fan); + return ADT7462_REG_FAN2_BASE_ADDR + (2 * (fan - 4)); +} + +/* Voltage registers are scattered everywhere */ +static int ADT7462_REG_VOLT_MAX(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x7C; + break; + case 1: + return 0x69; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x7F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x7E; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x4B; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x49; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x68; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x7D; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x6C; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x6B; + break; + case 10: + return 0x6A; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x50; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x4C; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT_MIN(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x6D; + break; + case 1: + return 0x72; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x6F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x71; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x47; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x45; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x70; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x6E; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x75; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x74; + break; + case 10: + return 0x73; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x76; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x77; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0xA3; + break; + case 1: + return 0x90; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0xA9; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0xA7; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x8F; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x8B; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x96; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0xA5; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x93; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x92; + break; + case 10: + return 0x91; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x94; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x95; + break; + } + return -ENODEV; +} + +/* Provide labels for sysfs */ +static const char *voltage_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return "+12V1"; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + return "Vccp1"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5V"; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return "+12V3"; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return "+5V"; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+0.9V"; + return "+1.25V"; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+1.8V"; + return "+2.5V"; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return "+3.3V"; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return "+12V2"; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return "Vbatt"; + case 1: + return "FSB_Vtt"; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return "+3.3V"; + case 1: + return "+1.2V1"; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return "Vccp2"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5"; + } + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V ICH"; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V 3GPIO"; + break; + } + return "N/A"; +} + +/* Multipliers are actually in uV, not mV. */ +static int voltage_multiplier(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 62500; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + if (data->pin_cfg[0] & ADT7462_VID_INPUT) + return 12500; + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 62500; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 26000; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return 4690; + return 6500; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN15_INPUT) + return 9400; + return 13000; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 17200; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 62500; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return 15600; + case 1: + return 6250; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return 17200; + case 1: + return 6250; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 11: + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 7800; + } + return 0; +} + +static int temp_enabled(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + case 2: + return 1; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return 1; + break; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return 1; + break; + } + return 0; +} + +static const char *temp_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + return "local"; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return "remote1"; + break; + case 2: + return "remote2"; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return "remote3"; + break; + } + return "N/A"; +} + +/* Map Trange register values to mC */ +#define NUM_TRANGE_VALUES 16 +static const int trange_values[NUM_TRANGE_VALUES] = { + 2000, + 2500, + 3300, + 4000, + 5000, + 6700, + 8000, + 10000, + 13300, + 16000, + 20000, + 26700, + 32000, + 40000, + 53300, + 80000 +}; + +static int find_trange_value(int trange) +{ + int i; + + for (i = 0; i < NUM_TRANGE_VALUES; i++) + if (trange_values[i] == trange) + return i; + + return -ENODEV; +} + +static struct adt7462_data *adt7462_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + int i; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto no_sensor_update; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + /* + * Reading the fractional register locks the integral + * register until both have been read. + */ + data->temp_frac[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i)); + data->temp[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i) + 1); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan[i] = adt7462_read_word_data(client, + ADT7462_REG_FAN(i)); + + data->fan_enabled = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_ENABLE); + + for (i = 0; i < ADT7462_PWM_COUNT; i++) + data->pwm[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM(i)); + + for (i = 0; i < ADT7462_PIN_CFG_REG_COUNT; i++) + data->pin_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PIN_CFG(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT(data, i); + if (!reg) + data->voltages[i] = 0; + else + data->voltages[i] = i2c_smbus_read_byte_data(client, + reg); + } + + data->alarms[0] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM1); + data->alarms[1] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM2); + data->alarms[2] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM3); + data->alarms[3] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM4); + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +no_sensor_update: + if (time_before(local_jiffies, data->limits_last_updated + + LIMIT_REFRESH_INTERVAL) + && data->limits_valid) + goto out; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + data->temp_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MIN_REG(i)); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MAX_REG(i)); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_MIN(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT_MAX(data, i); + data->volt_max[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + + reg = ADT7462_REG_VOLT_MIN(data, i); + data->volt_min[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + } + + for (i = 0; i < ADT7462_PWM_COUNT; i++) { + data->pwm_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_MIN(i)); + data->pwm_tmin[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TMIN(i)); + data->pwm_trange[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TRANGE(i)); + data->pwm_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_CFG(i)); + } + + data->pwm_max = i2c_smbus_read_byte_data(client, ADT7462_REG_PWM_MAX); + + data->cfg2 = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + + data->limits_last_updated = local_jiffies; + data->limits_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_temp_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_min[attr->index] - 64)); +} + +static ssize_t set_temp_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MIN_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_max[attr->index] - 64)); +} + +static ssize_t set_temp_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MAX_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u8 frac = data->temp_frac[attr->index] >> TEMP_FRAC_OFFSET; + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp[attr->index] - 64) + + 250 * frac); +} + +static ssize_t show_temp_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", temp_label(data, attr->index)); +} + +static ssize_t show_volt_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_max[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MAX(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_volt_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_min[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MIN(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->voltages[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t show_voltage_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", voltage_label(data, attr->index)); +} + +static ssize_t show_alarm(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int reg = attr->index >> ADT7462_ALARM_REG_SHIFT; + int mask = attr->index & ADT7462_ALARM_FLAG_MASK; + + if (data->alarms[reg] & mask) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static int fan_enabled(struct adt7462_data *data, int fan) +{ + return data->fan_enabled & (1 << fan); +} + +static ssize_t show_fan_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u16 temp; + + /* Only the MSB of the min fan period is stored... */ + temp = data->fan_min[attr->index]; + temp <<= 8; + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(temp)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", FAN_PERIOD_TO_RPM(temp)); +} + +static ssize_t set_fan_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp || + !fan_enabled(data, attr->index)) + return -EINVAL; + + temp = FAN_RPM_TO_PERIOD(temp); + temp >>= 8; + temp = SENSORS_LIMIT(temp, 1, 255); + + mutex_lock(&data->lock); + data->fan_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_FAN_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(data->fan[attr->index])) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", + FAN_PERIOD_TO_RPM(data->fan[attr->index])); +} + +static ssize_t show_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", (data->cfg2 & ADT7462_FSPD_MASK ? 1 : 0)); +} + +static ssize_t set_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + u8 reg; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + mutex_lock(&data->lock); + reg = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + if (temp) + reg |= ADT7462_FSPD_MASK; + else + reg &= ~ADT7462_FSPD_MASK; + data->cfg2 = reg; + i2c_smbus_write_byte_data(client, ADT7462_REG_CFG2, reg); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm[attr->index]); +} + +static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM(attr->index), temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_max); +} + +static ssize_t set_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_max = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MAX, temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_min[attr->index]); +} + +static ssize_t set_pwm_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * + (data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK)); +} + +static ssize_t set_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 15); + + /* package things up */ + temp &= ADT7462_PWM_HYST_MASK; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_RANGE_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + /* tmax = tmin + trange */ + int trange = trange_values[data->pwm_trange[attr->index] >> + ADT7462_PWM_RANGE_SHIFT]; + int tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + + return sprintf(buf, "%d\n", tmin + trange); +} + +static ssize_t set_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + int temp; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int tmin, trange_value; + long trange; + + if (strict_strtol(buf, 10, &trange)) + return -EINVAL; + + /* trange = tmax - tmin */ + tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + trange_value = find_trange_value(trange - tmin); + + if (trange_value < 0) + return -EINVAL; + + temp = trange_value << ADT7462_PWM_RANGE_SHIFT; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * (data->pwm_tmin[attr->index] - 64)); +} + +static ssize_t set_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_tmin[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TMIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_auto(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int cfg = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (cfg) { + case 4: /* off */ + return sprintf(buf, "0\n"); + case 7: /* manual */ + return sprintf(buf, "1\n"); + default: /* automatic */ + return sprintf(buf, "2\n"); + } +} + +static void set_pwm_channel(struct i2c_client *client, + struct adt7462_data *data, + int which, + int value) +{ + int temp = data->pwm_cfg[which] & ~ADT7462_PWM_CHANNEL_MASK; + temp |= value << ADT7462_PWM_CHANNEL_SHIFT; + + mutex_lock(&data->lock); + data->pwm_cfg[which] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_CFG(which), temp); + mutex_unlock(&data->lock); +} + +static ssize_t set_pwm_auto(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + switch (temp) { + case 0: /* off */ + set_pwm_channel(client, data, attr->index, 4); + return count; + case 1: /* manual */ + set_pwm_channel(client, data, attr->index, 7); + return count; + default: + return -EINVAL; + } +} + +static ssize_t show_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int channel = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (channel) { + case 0: /* temp[1234] only */ + case 1: + case 2: + case 3: + return sprintf(buf, "%d\n", (1 << channel)); + case 5: /* temp1 & temp4 */ + return sprintf(buf, "9\n"); + case 6: + return sprintf(buf, "15\n"); + default: + return sprintf(buf, "0\n"); + } +} + +static int cvt_auto_temp(int input) +{ + if (input == 0xF) + return 6; + if (input == 0x9) + return 5; + if (input < 1 || !is_power_of_2(input)) + return -EINVAL; + return ilog2(input); +} + +static ssize_t set_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); + if (temp < 0) + return temp; + + set_pwm_channel(client, data, attr->index, temp); + + return count; +} + +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 0); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 1); +static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 2); +static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 0); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 1); +static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 2); +static SENSOR_DEVICE_ATTR(temp4_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 3); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_LT_ALARM); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R1T_ALARM); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R2T_ALARM); +static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R3T_ALARM); + +static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 0); +static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 1); +static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 2); +static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 3); +static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 4); +static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 5); +static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 6); +static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 7); +static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 8); +static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 9); +static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 10); +static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 11); +static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 12); + +static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 0); +static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 1); +static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 2); +static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 3); +static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 4); +static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 5); +static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 6); +static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 7); +static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 8); +static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 9); +static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 10); +static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 11); +static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 12); + +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_voltage, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_voltage, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_voltage, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_voltage, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_voltage, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_voltage, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_voltage_label, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_voltage_label, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_voltage_label, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_voltage_label, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_voltage_label, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_voltage_label, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_voltage_label, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_voltage_label, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_voltage_label, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_voltage_label, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_voltage_label, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_voltage_label, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, show_voltage_label, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V0_ALARM); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V7_ALARM); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V2_ALARM); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V6_ALARM); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V5_ALARM); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V4_ALARM); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V3_ALARM); +static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V1_ALARM); +static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V10_ALARM); +static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V9_ALARM); +static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V8_ALARM); +static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V11_ALARM); +static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V12_ALARM); + +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 3); +static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 4); +static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 5); +static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 6); +static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 7); + +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan, NULL, 7); + +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F0_ALARM); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F1_ALARM); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F2_ALARM); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F3_ALARM); +static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F4_ALARM); +static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F5_ALARM); +static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F6_ALARM); +static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F7_ALARM); + +static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO, + show_force_pwm_max, set_force_pwm_max, 0); + +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 3); + +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 0); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 1); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 2); +static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 3); + +static struct attribute *adt7462_attr[] = +{ + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp4_max.dev_attr.attr, + + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp4_min.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + &sensor_dev_attr_temp3_label.dev_attr.attr, + &sensor_dev_attr_temp4_label.dev_attr.attr, + + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_alarm.dev_attr.attr, + + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in8_max.dev_attr.attr, + &sensor_dev_attr_in9_max.dev_attr.attr, + &sensor_dev_attr_in10_max.dev_attr.attr, + &sensor_dev_attr_in11_max.dev_attr.attr, + &sensor_dev_attr_in12_max.dev_attr.attr, + &sensor_dev_attr_in13_max.dev_attr.attr, + + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in8_min.dev_attr.attr, + &sensor_dev_attr_in9_min.dev_attr.attr, + &sensor_dev_attr_in10_min.dev_attr.attr, + &sensor_dev_attr_in11_min.dev_attr.attr, + &sensor_dev_attr_in12_min.dev_attr.attr, + &sensor_dev_attr_in13_min.dev_attr.attr, + + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in9_input.dev_attr.attr, + &sensor_dev_attr_in10_input.dev_attr.attr, + &sensor_dev_attr_in11_input.dev_attr.attr, + &sensor_dev_attr_in12_input.dev_attr.attr, + &sensor_dev_attr_in13_input.dev_attr.attr, + + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + &sensor_dev_attr_in3_label.dev_attr.attr, + &sensor_dev_attr_in4_label.dev_attr.attr, + &sensor_dev_attr_in5_label.dev_attr.attr, + &sensor_dev_attr_in6_label.dev_attr.attr, + &sensor_dev_attr_in7_label.dev_attr.attr, + &sensor_dev_attr_in8_label.dev_attr.attr, + &sensor_dev_attr_in9_label.dev_attr.attr, + &sensor_dev_attr_in10_label.dev_attr.attr, + &sensor_dev_attr_in11_label.dev_attr.attr, + &sensor_dev_attr_in12_label.dev_attr.attr, + &sensor_dev_attr_in13_label.dev_attr.attr, + + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, + &sensor_dev_attr_in8_alarm.dev_attr.attr, + &sensor_dev_attr_in9_alarm.dev_attr.attr, + &sensor_dev_attr_in10_alarm.dev_attr.attr, + &sensor_dev_attr_in11_alarm.dev_attr.attr, + &sensor_dev_attr_in12_alarm.dev_attr.attr, + &sensor_dev_attr_in13_alarm.dev_attr.attr, + + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan7_min.dev_attr.attr, + &sensor_dev_attr_fan8_min.dev_attr.attr, + + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan7_input.dev_attr.attr, + &sensor_dev_attr_fan8_input.dev_attr.attr, + + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_fan7_alarm.dev_attr.attr, + &sensor_dev_attr_fan8_alarm.dev_attr.attr, + + &sensor_dev_attr_force_pwm_max.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point1_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point2_pwm.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point1_hyst.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point2_hyst.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_temp4_auto_point1_temp.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_temp4_auto_point2_temp.dev_attr.attr, + + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm4_enable.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr, + NULL +}; + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); + if (vendor != ADT7462_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); + if (device != ADT7462_DEVICE) + return -ENODEV; + + revision = i2c_smbus_read_byte_data(client, + ADT7462_REG_REVISION); + if (revision != ADT7462_REVISION) + return -ENODEV; + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(info->type, "adt7462", I2C_NAME_SIZE); + + return 0; +} + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adt7462_data *data; + int err; + + data = kzalloc(sizeof(struct adt7462_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->lock); + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Register sysfs hooks */ + data->attrs.attrs = adt7462_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &data->attrs); +exit_free: + kfree(data); +exit: + return err; +} + +static int adt7462_remove(struct i2c_client *client) +{ + struct adt7462_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &data->attrs); + kfree(data); + return 0; +} + +static int __init adt7462_init(void) +{ + return i2c_add_driver(&adt7462_driver); +} + +static void __exit adt7462_exit(void) +{ + i2c_del_driver(&adt7462_driver); +} + +MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); +MODULE_DESCRIPTION("ADT7462 driver"); +MODULE_LICENSE("GPL"); + +module_init(adt7462_init); +module_exit(adt7462_exit); diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index d368d8f..1311a59 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -137,6 +137,8 @@ I2C_CLIENT_INSMOD_1(adt7470); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7470_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -353,7 +355,13 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_min[attr->index] = temp; @@ -381,7 +389,13 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_max[attr->index] = temp; @@ -430,11 +444,13 @@ static ssize_t set_fan_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_max[attr->index] = temp; @@ -465,11 +481,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -507,9 +525,12 @@ static ssize_t set_force_pwm_max(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + mutex_lock(&data->lock); data->force_pwm_max = temp; reg = i2c_smbus_read_byte_data(client, ADT7470_REG_CFG); @@ -537,7 +558,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -564,7 +590,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -592,7 +623,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -630,7 +666,13 @@ static ssize_t set_pwm_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_tmin[attr->index] = temp; @@ -658,11 +700,14 @@ static ssize_t set_pwm_auto(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); int pwm_auto_reg = ADT7470_REG_PWM_CFG(attr->index); int pwm_auto_reg_mask; + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + if (attr->index % 2) pwm_auto_reg_mask = ADT7470_PWM2_AUTO_MASK; else @@ -716,10 +761,14 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = cvt_auto_temp(simple_strtol(buf, NULL, 10)); int pwm_auto_reg = ADT7470_REG_PWM_AUTO_TEMP(attr->index); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); if (temp < 0) return temp; diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index b9a8ea3..18aa308 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -129,6 +129,8 @@ I2C_CLIENT_INSMOD_1(adt7473); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7473_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -357,7 +359,12 @@ static ssize_t set_volt_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_min[attr->index] = volt; @@ -386,7 +393,12 @@ static ssize_t set_volt_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_max[attr->index] = volt; @@ -419,7 +431,8 @@ static int decode_temp(u8 twos_complement, u8 raw) static u8 encode_temp(u8 twos_complement, int cooked) { - return twos_complement ? cooked & 0xFF : cooked + 64; + u8 ret = twos_complement ? cooked & 0xFF : cooked + 64; + return SENSORS_LIMIT(ret, 0, 255); } static ssize_t show_temp_min(struct device *dev, @@ -441,7 +454,12 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -472,7 +490,12 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -515,11 +538,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -558,7 +583,10 @@ static ssize_t set_max_duty_at_crit(struct device *dev, u8 reg; struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; mutex_lock(&data->lock); data->max_duty_at_overheat = !!temp; @@ -587,7 +615,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -614,7 +647,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -642,7 +680,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -672,7 +715,12 @@ static ssize_t set_temp_tmax(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -703,7 +751,12 @@ static ssize_t set_temp_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -741,7 +794,10 @@ static ssize_t set_pwm_enable(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 0: @@ -805,7 +861,10 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 1: diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index bc011da..488e45c 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -116,6 +116,18 @@ static const char* temperature_sensors_sets[][36] = { /* Set 9: Macbook Pro 3,1 (Santa Rosa) */ { "TALP", "TB0T", "TC0D", "TC0P", "TG0D", "TG0H", "TTF0", "TW0P", "Th0H", "Th1H", "Th2H", "Tm0P", "Ts0P", NULL }, +/* Set 10: iMac 5,1 */ + { "TA0P", "TC0D", "TC0P", "TG0D", "TH0P", "TO0P", "Tm0P", NULL }, +/* Set 11: Macbook 5,1 */ + { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0P", "TN0D", "TN0P", + "TTF0", "Th0H", "Th1H", "ThFH", "Ts0P", "Ts0S", NULL }, +/* Set 12: Macbook Pro 5,1 */ + { "TB0T", "TB1T", "TB2T", "TB3T", "TC0D", "TC0F", "TC0P", "TG0D", + "TG0F", "TG0H", "TG0P", "TG0T", "TG1H", "TN0D", "TN0P", "TTF0", + "Th2H", "Tm0P", "Ts0P", "Ts0S", NULL }, +/* Set 13: iMac 8,1 */ + { "TA0P", "TC0D", "TC0H", "TC0P", "TG0D", "TG0H", "TG0P", "TH0P", + "TL0P", "TO0P", "TW0P", "Tm0P", "Tp0P", NULL }, }; /* List of keys used to read/write fan speeds */ @@ -1268,7 +1280,7 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 0, .light = 0, .temperature_set = 4 }, /* iMac: temperature set 5 */ { .accelerometer = 0, .light = 0, .temperature_set = 5 }, -/* MacBook3: accelerometer and temperature set 6 */ +/* MacBook3, MacBook4: accelerometer and temperature set 6 */ { .accelerometer = 1, .light = 0, .temperature_set = 6 }, /* MacBook Air: accelerometer, backlight and temperature set 7 */ { .accelerometer = 1, .light = 1, .temperature_set = 7 }, @@ -1276,6 +1288,14 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 1, .light = 1, .temperature_set = 8 }, /* MacBook Pro 3: accelerometer, backlight and temperature set 9 */ { .accelerometer = 1, .light = 1, .temperature_set = 9 }, +/* iMac 5: light sensor only, temperature set 10 */ + { .accelerometer = 0, .light = 0, .temperature_set = 10 }, +/* MacBook 5: accelerometer, backlight and temperature set 11 */ + { .accelerometer = 1, .light = 1, .temperature_set = 11 }, +/* MacBook Pro 5: accelerometer, backlight and temperature set 12 */ + { .accelerometer = 1, .light = 1, .temperature_set = 12 }, +/* iMac 8: light sensor only, temperature set 13 */ + { .accelerometer = 0, .light = 0, .temperature_set = 13 }, }; /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". @@ -1285,6 +1305,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir") }, &applesmc_dmi_data[7]}, + { applesmc_dmi_match, "Apple MacBook Pro 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5") }, + &applesmc_dmi_data[12]}, { applesmc_dmi_match, "Apple MacBook Pro 4", { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro4") }, @@ -1305,6 +1329,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, &applesmc_dmi_data[6]}, + { applesmc_dmi_match, "Apple MacBook 4", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4") }, + &applesmc_dmi_data[6]}, + { applesmc_dmi_match, "Apple MacBook 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5") }, + &applesmc_dmi_data[11]}, { applesmc_dmi_match, "Apple MacBook", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacBook") }, @@ -1317,6 +1349,14 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, &applesmc_dmi_data[4]}, + { applesmc_dmi_match, "Apple iMac 8", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac8") }, + &applesmc_dmi_data[13]}, + { applesmc_dmi_match, "Apple iMac 5", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "iMac5") }, + &applesmc_dmi_data[10]}, { applesmc_dmi_match, "Apple iMac", { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"iMac") }, diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 7b0ed5d..fe74609 100644 --- a/drivers/hwmon/ibmaem.c +++ b/drivers/hwmon/ibmaem.c @@ -88,9 +88,11 @@ static DEFINE_IDR(aem_idr); static DEFINE_SPINLOCK(aem_idr_lock); -static struct device_driver aem_driver = { - .name = DRVNAME, - .bus = &platform_bus_type, +static struct platform_driver aem_driver = { + .driver = { + .name = DRVNAME, + .bus = &platform_bus_type, + } }; struct aem_ipmi_data { @@ -583,7 +585,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -716,7 +718,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe, data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -1085,7 +1087,7 @@ static int __init aem_init(void) { int res; - res = driver_register(&aem_driver); + res = driver_register(&aem_driver.driver); if (res) { printk(KERN_ERR "Can't register aem driver\n"); return res; @@ -1097,7 +1099,7 @@ static int __init aem_init(void) return 0; ipmi_reg_err: - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); return res; } @@ -1107,7 +1109,7 @@ static void __exit aem_exit(void) struct aem_data *p1, *next1; ipmi_smi_watcher_unregister(&driver_data.bmc_events); - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) aem_delete(p1); } diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c new file mode 100644 index 0000000..752b5c4 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.c @@ -0,0 +1,582 @@ +/* + * lis3lv02d.c - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/dmi.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/kthread.h> +#include <linux/semaphore.h> +#include <linux/delay.h> +#include <linux/wait.h> +#include <linux/poll.h> +#include <linux/freezer.h> +#include <linux/version.h> +#include <linux/uaccess.h> +#include <acpi/acpi_drivers.h> +#include <asm/atomic.h> +#include "lis3lv02d.h" + +#define DRIVER_NAME "lis3lv02d" +#define ACPI_MDPS_CLASS "accelerometer" + +/* joystick device poll interval in milliseconds */ +#define MDPS_POLL_INTERVAL 50 +/* + * The sensor can also generate interrupts (DRDY) but it's pretty pointless + * because their are generated even if the data do not change. So it's better + * to keep the interrupt for the free-fall event. The values are updated at + * 40Hz (at the lowest frequency), but as it can be pretty time consuming on + * some low processor, we poll the sensor only at 20Hz... enough for the + * joystick. + */ + +/* Maximum value our axis may get for the input device (signed 12 bits) */ +#define MDPS_MAX_VAL 2048 + +struct axis_conversion { + s8 x; + s8 y; + s8 z; +}; + +struct acpi_lis3lv02d { + struct acpi_device *device; /* The ACPI device */ + struct input_dev *idev; /* input device */ + struct task_struct *kthread; /* kthread for input */ + struct mutex lock; + struct platform_device *pdev; /* platform device */ + atomic_t count; /* interrupt count after last read */ + int xcalib; /* calibrated null value for x */ + int ycalib; /* calibrated null value for y */ + int zcalib; /* calibrated null value for z */ + unsigned char is_on; /* whether the device is on or off */ + unsigned char usage; /* usage counter */ + struct axis_conversion ac; /* hw -> logical axis */ +}; + +static struct acpi_lis3lv02d adev; + +static int lis3lv02d_remove_fs(void); +static int lis3lv02d_add_fs(struct acpi_device *device); + +/* For automatic insertion of the module */ +static struct acpi_device_id lis3lv02d_device_ids[] = { + {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); + +/** + * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. + * @handle: the handle of the device + * + * Returns AE_OK on success. + */ +static inline acpi_status lis3lv02d_acpi_init(acpi_handle handle) +{ + return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL); +} + +/** + * lis3lv02d_acpi_read - ACPI ALRD method: read a register + * @handle: the handle of the device + * @reg: the register to read + * @ret: result of the operation + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret) +{ + union acpi_object arg0 = { ACPI_TYPE_INTEGER }; + struct acpi_object_list args = { 1, &arg0 }; + unsigned long long lret; + acpi_status status; + + arg0.integer.value = reg; + + status = acpi_evaluate_integer(handle, "ALRD", &args, &lret); + *ret = lret; + return status; +} + +/** + * lis3lv02d_acpi_write - ACPI ALWR method: write to a register + * @handle: the handle of the device + * @reg: the register to write to + * @val: the value to write + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) +{ + unsigned long long ret; /* Not used when writting */ + union acpi_object in_obj[2]; + struct acpi_object_list args = { 2, in_obj }; + + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = reg; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = val; + + return acpi_evaluate_integer(handle, "ALWR", &args, &ret); +} + +static s16 lis3lv02d_read_16(acpi_handle handle, int reg) +{ + u8 lo, hi; + + lis3lv02d_acpi_read(handle, reg, &lo); + lis3lv02d_acpi_read(handle, reg + 1, &hi); + /* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */ + return (s16)((hi << 8) | lo); +} + +/** + * lis3lv02d_get_axis - For the given axis, give the value converted + * @axis: 1,2,3 - can also be negative + * @hw_values: raw values returned by the hardware + * + * Returns the converted value. + */ +static inline int lis3lv02d_get_axis(s8 axis, int hw_values[3]) +{ + if (axis > 0) + return hw_values[axis - 1]; + else + return -hw_values[-axis - 1]; +} + +/** + * lis3lv02d_get_xyz - Get X, Y and Z axis values from the accelerometer + * @handle: the handle to the device + * @x: where to store the X axis value + * @y: where to store the Y axis value + * @z: where to store the Z axis value + * + * Note that 40Hz input device can eat up about 10% CPU at 800MHZ + */ +static void lis3lv02d_get_xyz(acpi_handle handle, int *x, int *y, int *z) +{ + int position[3]; + + position[0] = lis3lv02d_read_16(handle, OUTX_L); + position[1] = lis3lv02d_read_16(handle, OUTY_L); + position[2] = lis3lv02d_read_16(handle, OUTZ_L); + + *x = lis3lv02d_get_axis(adev.ac.x, position); + *y = lis3lv02d_get_axis(adev.ac.y, position); + *z = lis3lv02d_get_axis(adev.ac.z, position); +} + +static inline void lis3lv02d_poweroff(acpi_handle handle) +{ + adev.is_on = 0; + /* disable X,Y,Z axis and power down */ + lis3lv02d_acpi_write(handle, CTRL_REG1, 0x00); +} + +static void lis3lv02d_poweron(acpi_handle handle) +{ + u8 val; + + adev.is_on = 1; + lis3lv02d_acpi_init(handle); + lis3lv02d_acpi_write(handle, FF_WU_CFG, 0); + /* + * BDU: LSB and MSB values are not updated until both have been read. + * So the value read will always be correct. + * IEN: Interrupt for free-fall and DD, not for data-ready. + */ + lis3lv02d_acpi_read(handle, CTRL_REG2, &val); + val |= CTRL2_BDU | CTRL2_IEN; + lis3lv02d_acpi_write(handle, CTRL_REG2, val); +} + +#ifdef CONFIG_PM +static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) +{ + /* make sure the device is off when we suspend */ + lis3lv02d_poweroff(device->handle); + return 0; +} + +static int lis3lv02d_resume(struct acpi_device *device) +{ + /* put back the device in the right state (ACPI might turn it on) */ + mutex_lock(&adev.lock); + if (adev.usage > 0) + lis3lv02d_poweron(device->handle); + else + lis3lv02d_poweroff(device->handle); + mutex_unlock(&adev.lock); + return 0; +} +#else +#define lis3lv02d_suspend NULL +#define lis3lv02d_resume NULL +#endif + + +/* + * To be called before starting to use the device. It makes sure that the + * device will always be on until a call to lis3lv02d_decrease_use(). Not to be + * used from interrupt context. + */ +static void lis3lv02d_increase_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage++; + if (dev->usage == 1) { + if (!dev->is_on) + lis3lv02d_poweron(dev->device->handle); + } + mutex_unlock(&dev->lock); +} + +/* + * To be called whenever a usage of the device is stopped. + * It will make sure to turn off the device when there is not usage. + */ +static void lis3lv02d_decrease_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage--; + if (dev->usage == 0) + lis3lv02d_poweroff(dev->device->handle); + mutex_unlock(&dev->lock); +} + +/** + * lis3lv02d_joystick_kthread - Kthread polling function + * @data: unused - here to conform to threadfn prototype + */ +static int lis3lv02d_joystick_kthread(void *data) +{ + int x, y, z; + + while (!kthread_should_stop()) { + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + input_report_abs(adev.idev, ABS_X, x - adev.xcalib); + input_report_abs(adev.idev, ABS_Y, y - adev.ycalib); + input_report_abs(adev.idev, ABS_Z, z - adev.zcalib); + + input_sync(adev.idev); + + try_to_freeze(); + msleep_interruptible(MDPS_POLL_INTERVAL); + } + + return 0; +} + +static int lis3lv02d_joystick_open(struct input_dev *input) +{ + lis3lv02d_increase_use(&adev); + adev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d"); + if (IS_ERR(adev.kthread)) { + lis3lv02d_decrease_use(&adev); + return PTR_ERR(adev.kthread); + } + + return 0; +} + +static void lis3lv02d_joystick_close(struct input_dev *input) +{ + kthread_stop(adev.kthread); + lis3lv02d_decrease_use(&adev); +} + + +static inline void lis3lv02d_calibrate_joystick(void) +{ + lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib); +} + +static int lis3lv02d_joystick_enable(void) +{ + int err; + + if (adev.idev) + return -EINVAL; + + adev.idev = input_allocate_device(); + if (!adev.idev) + return -ENOMEM; + + lis3lv02d_calibrate_joystick(); + + adev.idev->name = "ST LIS3LV02DL Accelerometer"; + adev.idev->phys = DRIVER_NAME "/input0"; + adev.idev->id.bustype = BUS_HOST; + adev.idev->id.vendor = 0; + adev.idev->dev.parent = &adev.pdev->dev; + adev.idev->open = lis3lv02d_joystick_open; + adev.idev->close = lis3lv02d_joystick_close; + + set_bit(EV_ABS, adev.idev->evbit); + input_set_abs_params(adev.idev, ABS_X, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Y, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Z, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + + err = input_register_device(adev.idev); + if (err) { + input_free_device(adev.idev); + adev.idev = NULL; + } + + return err; +} + +static void lis3lv02d_joystick_disable(void) +{ + if (!adev.idev) + return; + + input_unregister_device(adev.idev); + adev.idev = NULL; +} + + +/* + * Initialise the accelerometer and the various subsystems. + * Should be rather independant of the bus system. + */ +static int lis3lv02d_init_device(struct acpi_lis3lv02d *dev) +{ + mutex_init(&dev->lock); + lis3lv02d_add_fs(dev->device); + lis3lv02d_increase_use(dev); + + if (lis3lv02d_joystick_enable()) + printk(KERN_ERR DRIVER_NAME ": joystick initialization failed\n"); + + lis3lv02d_decrease_use(dev); + return 0; +} + +static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) +{ + adev.ac = *((struct axis_conversion *)dmi->driver_data); + printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident); + + return 1; +} + +/* Represents, for each axis seen by userspace, the corresponding hw axis (+1). + * If the value is negative, the opposite of the hw value is used. */ +static struct axis_conversion lis3lv02d_axis_normal = {1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; +static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; + +#define AXIS_DMI_MATCH(_ident, _name, _axis) { \ + .ident = _ident, \ + .callback = lis3lv02d_dmi_matched, \ + .matches = { \ + DMI_MATCH(DMI_PRODUCT_NAME, _name) \ + }, \ + .driver_data = &lis3lv02d_axis_##_axis \ +} +static struct dmi_system_id lis3lv02d_dmi_ids[] = { + /* product names are truncated to match all kinds of a same model */ + AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), + AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), + AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), + AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), + AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), + AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), + AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + { NULL, } +/* Laptop models without axis info (yet): + * "NC651xx" "HP Compaq 651" + * "NC671xx" "HP Compaq 671" + * "NC6910" "HP Compaq 6910" + * HP Compaq 8710x Notebook PC / Mobile Workstation + * "NC2400" "HP Compaq nc2400" + * "NX74x0" "HP Compaq nx74" + * "NX6325" "HP Compaq nx6325" + * "NC4400" "HP Compaq nc4400" + */ +}; + +static int lis3lv02d_add(struct acpi_device *device) +{ + u8 val; + + if (!device) + return -EINVAL; + + adev.device = device; + strcpy(acpi_device_name(device), DRIVER_NAME); + strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); + device->driver_data = &adev; + + lis3lv02d_acpi_read(device->handle, WHO_AM_I, &val); + if ((val != LIS3LV02DL_ID) && (val != LIS302DL_ID)) { + printk(KERN_ERR DRIVER_NAME + ": Accelerometer chip not LIS3LV02D{L,Q}\n"); + } + + /* If possible use a "standard" axes order */ + if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { + printk(KERN_INFO DRIVER_NAME ": laptop model unknown, " + "using default axes configuration\n"); + adev.ac = lis3lv02d_axis_normal; + } + + return lis3lv02d_init_device(&adev); +} + +static int lis3lv02d_remove(struct acpi_device *device, int type) +{ + if (!device) + return -EINVAL; + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(device->handle); + + return lis3lv02d_remove_fs(); +} + + +/* Sysfs stuff */ +static ssize_t lis3lv02d_position_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int x, y, z; + + lis3lv02d_increase_use(&adev); + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + lis3lv02d_decrease_use(&adev); + return sprintf(buf, "(%d,%d,%d)\n", x, y, z); +} + +static ssize_t lis3lv02d_calibrate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "(%d,%d,%d)\n", adev.xcalib, adev.ycalib, adev.zcalib); +} + +static ssize_t lis3lv02d_calibrate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + lis3lv02d_increase_use(&adev); + lis3lv02d_calibrate_joystick(); + lis3lv02d_decrease_use(&adev); + return count; +} + +/* conversion btw sampling rate and the register values */ +static int lis3lv02dl_df_val[4] = {40, 160, 640, 2560}; +static ssize_t lis3lv02d_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u8 ctrl; + int val; + + lis3lv02d_increase_use(&adev); + lis3lv02d_acpi_read(adev.device->handle, CTRL_REG1, &ctrl); + lis3lv02d_decrease_use(&adev); + val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4; + return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]); +} + +static DEVICE_ATTR(position, S_IRUGO, lis3lv02d_position_show, NULL); +static DEVICE_ATTR(calibrate, S_IRUGO|S_IWUSR, lis3lv02d_calibrate_show, + lis3lv02d_calibrate_store); +static DEVICE_ATTR(rate, S_IRUGO, lis3lv02d_rate_show, NULL); + +static struct attribute *lis3lv02d_attributes[] = { + &dev_attr_position.attr, + &dev_attr_calibrate.attr, + &dev_attr_rate.attr, + NULL +}; + +static struct attribute_group lis3lv02d_attribute_group = { + .attrs = lis3lv02d_attributes +}; + +static int lis3lv02d_add_fs(struct acpi_device *device) +{ + adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0); + if (IS_ERR(adev.pdev)) + return PTR_ERR(adev.pdev); + + return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); +} + +static int lis3lv02d_remove_fs(void) +{ + sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); + platform_device_unregister(adev.pdev); + return 0; +} + +/* For the HP MDPS aka 3D Driveguard */ +static struct acpi_driver lis3lv02d_driver = { + .name = DRIVER_NAME, + .class = ACPI_MDPS_CLASS, + .ids = lis3lv02d_device_ids, + .ops = { + .add = lis3lv02d_add, + .remove = lis3lv02d_remove, + .suspend = lis3lv02d_suspend, + .resume = lis3lv02d_resume, + } +}; + +static int __init lis3lv02d_init_module(void) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + + ret = acpi_bus_register_driver(&lis3lv02d_driver); + if (ret < 0) + return ret; + + printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); + + return 0; +} + +static void __exit lis3lv02d_exit_module(void) +{ + acpi_bus_unregister_driver(&lis3lv02d_driver); +} + +MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver"); +MODULE_AUTHOR("Yan Burman and Eric Piel"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init_module); +module_exit(lis3lv02d_exit_module); diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h new file mode 100644 index 0000000..330cfc6 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.h @@ -0,0 +1,149 @@ +/* + * lis3lv02d.h - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to + * be connected via SPI. There exists also several similar chips (such as LIS302DL or + * LIS3L02DQ) but not in the HP laptops and they have slightly different registers. + * They can also be connected via I²C. + */ + +#define LIS3LV02DL_ID 0x3A /* Also the LIS3LV02DQ */ +#define LIS302DL_ID 0x3B /* Also the LIS202DL! */ + +enum lis3lv02d_reg { + WHO_AM_I = 0x0F, + OFFSET_X = 0x16, + OFFSET_Y = 0x17, + OFFSET_Z = 0x18, + GAIN_X = 0x19, + GAIN_Y = 0x1A, + GAIN_Z = 0x1B, + CTRL_REG1 = 0x20, + CTRL_REG2 = 0x21, + CTRL_REG3 = 0x22, + HP_FILTER_RESET = 0x23, + STATUS_REG = 0x27, + OUTX_L = 0x28, + OUTX_H = 0x29, + OUTY_L = 0x2A, + OUTY_H = 0x2B, + OUTZ_L = 0x2C, + OUTZ_H = 0x2D, + FF_WU_CFG = 0x30, + FF_WU_SRC = 0x31, + FF_WU_ACK = 0x32, + FF_WU_THS_L = 0x34, + FF_WU_THS_H = 0x35, + FF_WU_DURATION = 0x36, + DD_CFG = 0x38, + DD_SRC = 0x39, + DD_ACK = 0x3A, + DD_THSI_L = 0x3C, + DD_THSI_H = 0x3D, + DD_THSE_L = 0x3E, + DD_THSE_H = 0x3F, +}; + +enum lis3lv02d_ctrl1 { + CTRL1_Xen = 0x01, + CTRL1_Yen = 0x02, + CTRL1_Zen = 0x04, + CTRL1_ST = 0x08, + CTRL1_DF0 = 0x10, + CTRL1_DF1 = 0x20, + CTRL1_PD0 = 0x40, + CTRL1_PD1 = 0x80, +}; +enum lis3lv02d_ctrl2 { + CTRL2_DAS = 0x01, + CTRL2_SIM = 0x02, + CTRL2_DRDY = 0x04, + CTRL2_IEN = 0x08, + CTRL2_BOOT = 0x10, + CTRL2_BLE = 0x20, + CTRL2_BDU = 0x40, /* Block Data Update */ + CTRL2_FS = 0x80, /* Full Scale selection */ +}; + + +enum lis3lv02d_ctrl3 { + CTRL3_CFS0 = 0x01, + CTRL3_CFS1 = 0x02, + CTRL3_FDS = 0x10, + CTRL3_HPFF = 0x20, + CTRL3_HPDD = 0x40, + CTRL3_ECK = 0x80, +}; + +enum lis3lv02d_status_reg { + STATUS_XDA = 0x01, + STATUS_YDA = 0x02, + STATUS_ZDA = 0x04, + STATUS_XYZDA = 0x08, + STATUS_XOR = 0x10, + STATUS_YOR = 0x20, + STATUS_ZOR = 0x40, + STATUS_XYZOR = 0x80, +}; + +enum lis3lv02d_ff_wu_cfg { + FF_WU_CFG_XLIE = 0x01, + FF_WU_CFG_XHIE = 0x02, + FF_WU_CFG_YLIE = 0x04, + FF_WU_CFG_YHIE = 0x08, + FF_WU_CFG_ZLIE = 0x10, + FF_WU_CFG_ZHIE = 0x20, + FF_WU_CFG_LIR = 0x40, + FF_WU_CFG_AOI = 0x80, +}; + +enum lis3lv02d_ff_wu_src { + FF_WU_SRC_XL = 0x01, + FF_WU_SRC_XH = 0x02, + FF_WU_SRC_YL = 0x04, + FF_WU_SRC_YH = 0x08, + FF_WU_SRC_ZL = 0x10, + FF_WU_SRC_ZH = 0x20, + FF_WU_SRC_IA = 0x40, +}; + +enum lis3lv02d_dd_cfg { + DD_CFG_XLIE = 0x01, + DD_CFG_XHIE = 0x02, + DD_CFG_YLIE = 0x04, + DD_CFG_YHIE = 0x08, + DD_CFG_ZLIE = 0x10, + DD_CFG_ZHIE = 0x20, + DD_CFG_LIR = 0x40, + DD_CFG_IEND = 0x80, +}; + +enum lis3lv02d_dd_src { + DD_SRC_XL = 0x01, + DD_SRC_XH = 0x02, + DD_SRC_YL = 0x04, + DD_SRC_YH = 0x08, + DD_SRC_ZL = 0x10, + DD_SRC_ZH = 0x20, + DD_SRC_IA = 0x40, +}; + diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 3ff0285..cfc1ee9 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -39,7 +39,8 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); +I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100, + emc6d102); /* The LM85 registers */ @@ -59,6 +60,12 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_REG_COMPANY 0x3e #define LM85_REG_VERSTEP 0x3f + +#define ADT7468_REG_CFG5 0x7c +#define ADT7468_OFF64 0x01 +#define IS_ADT7468_OFF64(data) \ + ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) + /* These are the recognized values for the above regs */ #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 @@ -70,6 +77,8 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_VERSTEP_ADM1027 0x60 #define LM85_VERSTEP_ADT7463 0x62 #define LM85_VERSTEP_ADT7463C 0x6A +#define LM85_VERSTEP_ADT7468_1 0x71 +#define LM85_VERSTEP_ADT7468_2 0x72 #define LM85_VERSTEP_EMC6D100_A0 0x60 #define LM85_VERSTEP_EMC6D100_A1 0x61 #define LM85_VERSTEP_EMC6D102 0x65 @@ -306,6 +315,7 @@ struct lm85_data { u8 vid; /* Register value */ u8 vrm; /* VRM version */ u32 alarms; /* Register encoding, combined */ + u8 cfg5; /* Config Register 5 on ADT7468 */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; @@ -685,6 +695,9 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); @@ -708,6 +721,9 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); @@ -1163,6 +1179,10 @@ static int lm85_detect(struct i2c_client *client, int kind, case LM85_VERSTEP_ADT7463C: kind = adt7463; break; + case LM85_VERSTEP_ADT7468_1: + case LM85_VERSTEP_ADT7468_2: + kind = adt7468; + break; } } else if (company == LM85_COMPANY_SMSC) { switch (verstep) { @@ -1195,6 +1215,9 @@ static int lm85_detect(struct i2c_client *client, int kind, case adt7463: type_name = "adt7463"; break; + case adt7468: + type_name = "adt7468"; + break; case emc6d100: type_name = "emc6d100"; break; @@ -1246,10 +1269,11 @@ static int lm85_probe(struct i2c_client *client, if (err) goto err_kfree; - /* The ADT7463 has an optional VRM 10 mode where pin 21 is used + /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used as a sixth digital VID input rather than an analog input. */ data->vid = lm85_read_value(client, LM85_REG_VID); - if (!(data->type == adt7463 && (data->vid & 0x80))) + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4))) goto err_remove_files; @@ -1357,7 +1381,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) * There are 2 additional resolution bits per channel and we * have room for 4, so we shift them to the left. */ - if (data->type == adm1027 || data->type == adt7463) { + if (data->type == adm1027 || data->type == adt7463 || + data->type == adt7468) { int ext1 = lm85_read_value(client, ADM1027_REG_EXTEND_ADC1); int ext2 = lm85_read_value(client, @@ -1382,16 +1407,23 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); } + if (data->type == adt7468) + data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); + for (i = 0; i <= 2; ++i) { data->temp[i] = lm85_read_value(client, LM85_REG_TEMP(i)); data->pwm[i] = lm85_read_value(client, LM85_REG_PWM(i)); + + if (IS_ADT7468_OFF64(data)) + data->temp[i] -= 64; } data->alarms = lm85_read_value(client, LM85_REG_ALARM1); @@ -1446,7 +1478,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN_MIN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in_min[4] = lm85_read_value(client, LM85_REG_IN_MIN(4)); data->in_max[4] = lm85_read_value(client, @@ -1481,6 +1514,13 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); data->zone[i].critical = lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); + + if (IS_ADT7468_OFF64(data)) { + data->temp_min[i] -= 64; + data->temp_max[i] -= 64; + data->zone[i].limit -= 64; + data->zone[i].critical -= 64; + } } i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |