#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/string.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <linux/io.h>
#define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
it8771, it8772, it8781, it8782, it8783, it8786, it8790,
it8792, it8603, it8620, it8622, it8628, it87952 };
static struct platform_device *it87_pdev[2];
#define REG_2E 0x2e
#define REG_4E 0x4e
#define DEV 0x07
#define PME 0x04
#define GPIO 0x07
#define DEVID 0x20
#define DEVREV 0x22
static inline void __superio_enter(int ioreg)
{
outb(0x87, ioreg);
outb(0x01, ioreg);
outb(0x55, ioreg);
outb(ioreg == REG_4E ? 0xaa : 0x55, ioreg);
}
static inline int superio_inb(int ioreg, int reg)
{
outb(reg, ioreg);
return inb(ioreg + 1);
}
static inline void superio_outb(int ioreg, int reg, int val)
{
outb(reg, ioreg);
outb(val, ioreg + 1);
}
static int superio_inw(int ioreg, int reg)
{
int val;
outb(reg++, ioreg);
val = inb(ioreg + 1) << 8;
outb(reg, ioreg);
val |= inb(ioreg + 1);
return val;
}
static inline void superio_select(int ioreg, int ldn)
{
outb(DEV, ioreg);
outb(ldn, ioreg + 1);
}
static inline int superio_enter(int ioreg, bool noentry)
{
if (!request_muxed_region(ioreg, 2, DRVNAME))
return -EBUSY;
if (!noentry)
__superio_enter(ioreg);
return 0;
}
static inline void superio_exit(int ioreg, bool noexit)
{
if (!noexit) {
outb(0x02, ioreg);
outb(0x02, ioreg + 1);
}
release_region(ioreg, 2);
}
#define IT8712F_DEVID 0x8712
#define IT8705F_DEVID 0x8705
#define IT8716F_DEVID 0x8716
#define IT8718F_DEVID 0x8718
#define IT8720F_DEVID 0x8720
#define IT8721F_DEVID 0x8721
#define IT8726F_DEVID 0x8726
#define IT8728F_DEVID 0x8728
#define IT8732F_DEVID 0x8732
#define IT8792E_DEVID 0x8733
#define IT8771E_DEVID 0x8771
#define IT8772E_DEVID 0x8772
#define IT8781F_DEVID 0x8781
#define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783
#define IT8786E_DEVID 0x8786
#define IT8790E_DEVID 0x8790
#define IT8603E_DEVID 0x8603
#define IT8620E_DEVID 0x8620
#define IT8622E_DEVID 0x8622
#define IT8623E_DEVID 0x8623
#define IT8628E_DEVID 0x8628
#define IT87952E_DEVID 0x8695
#define IT87_ACT_REG 0x30
#define IT87_BASE_REG 0x60
#define IT87_SPECIAL_CFG_REG 0xf3
#define IT87_SIO_GPIO1_REG 0x25
#define IT87_SIO_GPIO2_REG 0x26
#define IT87_SIO_GPIO3_REG 0x27
#define IT87_SIO_GPIO4_REG 0x28
#define IT87_SIO_GPIO5_REG 0x29
#define IT87_SIO_PINX1_REG 0x2a
#define IT87_SIO_PINX2_REG 0x2c
#define IT87_SIO_SPI_REG 0xef
#define IT87_SIO_VID_REG 0xfc
#define IT87_SIO_BEEP_PIN_REG 0xf6
static unsigned short force_id[2];
static unsigned int force_id_cnt;
static bool ignore_resource_conflict;
static bool update_vbat;
static bool fix_pwm_polarity;
#define IT87_EXTENT 8
#define IT87_EC_EXTENT 2
#define IT87_EC_OFFSET 5
#define IT87_ADDR_REG_OFFSET 0
#define IT87_DATA_REG_OFFSET 1
#define IT87_REG_CONFIG 0x00
#define IT87_REG_ALARM1 0x01
#define IT87_REG_ALARM2 0x02
#define IT87_REG_ALARM3 0x03
#define IT87_REG_VID 0x0a
#define IT87_REG_IFSEL 0x0a
#define IT87_REG_FAN_DIV 0x0b
#define IT87_REG_FAN_16BIT 0x0c
static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82, 0x4c };
static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86, 0x4e };
static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83, 0x4d };
static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87, 0x4f };
static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 };
#define IT87_REG_FAN_MAIN_CTRL 0x13
#define IT87_REG_FAN_CTL 0x14
static const u8 IT87_REG_PWM[] = { 0x15, 0x16, 0x17, 0x7f, 0xa7, 0xaf };
static const u8 IT87_REG_PWM_DUTY[] = { 0x63, 0x6b, 0x73, 0x7b, 0xa3, 0xab };
static const u8 IT87_REG_VIN[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26,
0x27, 0x28, 0x2f, 0x2c, 0x2d, 0x2e };
#define IT87_REG_TEMP(nr) (0x29 + (nr))
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
#define IT87_REG_TEMP_LOW(nr) (0x41 + (nr) * 2)
#define IT87_REG_VIN_ENABLE 0x50
#define IT87_REG_TEMP_ENABLE 0x51
#define IT87_REG_TEMP_EXTRA 0x55
#define IT87_REG_BEEP_ENABLE 0x5c
#define IT87_REG_CHIPID 0x58
static const u8 IT87_REG_AUTO_BASE[] = { 0x60, 0x68, 0x70, 0x78, 0xa0, 0xa8 };
#define IT87_REG_AUTO_TEMP(nr, i) (IT87_REG_AUTO_BASE[nr] + (i))
#define IT87_REG_AUTO_PWM(nr, i) (IT87_REG_AUTO_BASE[nr] + 5 + (i))
#define IT87_REG_TEMP456_ENABLE 0x77
#define NUM_VIN ARRAY_SIZE(IT87_REG_VIN)
#define NUM_VIN_LIMIT 8
#define NUM_TEMP 6
#define NUM_TEMP_OFFSET ARRAY_SIZE(IT87_REG_TEMP_OFFSET)
#define NUM_TEMP_LIMIT 3
#define NUM_FAN ARRAY_SIZE(IT87_REG_FAN)
#define NUM_FAN_DIV 3
#define NUM_PWM ARRAY_SIZE(IT87_REG_PWM)
#define NUM_AUTO_PWM ARRAY_SIZE(IT87_REG_PWM)
struct it87_devices {
const char *name;
const char * const model;
u32 features;
u8 peci_mask;
u8 old_peci_mask;
u8 smbus_bitmap;
u8 ec_special_config;
};
#define FEAT_12MV_ADC BIT(0)
#define FEAT_NEWER_AUTOPWM BIT(1)
#define FEAT_OLD_AUTOPWM BIT(2)
#define FEAT_16BIT_FANS BIT(3)
#define FEAT_TEMP_OFFSET BIT(4)
#define FEAT_TEMP_PECI BIT(5)
#define FEAT_TEMP_OLD_PECI BIT(6)
#define FEAT_FAN16_CONFIG BIT(7)
#define FEAT_FIVE_FANS BIT(8)
#define FEAT_VID BIT(9)
#define FEAT_IN7_INTERNAL BIT(10)
#define FEAT_SIX_FANS BIT(11)
#define FEAT_10_9MV_ADC BIT(12)
#define FEAT_AVCC3 BIT(13)
#define FEAT_FIVE_PWM BIT(14)
#define FEAT_SIX_PWM BIT(15)
#define FEAT_PWM_FREQ2 BIT(16)
#define FEAT_SIX_TEMP BIT(17)
#define FEAT_VIN3_5V BIT(18)
#define FEAT_NOCONF BIT(19)
#define FEAT_FOUR_FANS BIT(20)
#define FEAT_FOUR_PWM BIT(21)
#define FEAT_FOUR_TEMP BIT(22)
#define FEAT_FANCTL_ONOFF BIT(23)
static const struct it87_devices it87_devices[] = {
[it87] = {
.name = "it87",
.model = "IT87F",
.features = FEAT_OLD_AUTOPWM | FEAT_FANCTL_ONOFF,
},
[it8712] = {
.name = "it8712",
.model = "IT8712F",
.features = FEAT_OLD_AUTOPWM | FEAT_VID | FEAT_FANCTL_ONOFF,
},
[it8716] = {
.name = "it8716",
.model = "IT8716F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
| FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_PWM_FREQ2
| FEAT_FANCTL_ONOFF,
},
[it8718] = {
.name = "it8718",
.model = "IT8718F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.old_peci_mask = 0x4,
},
[it8720] = {
.name = "it8720",
.model = "IT8720F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET | FEAT_VID
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_FIVE_FANS
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.old_peci_mask = 0x4,
},
[it8721] = {
.name = "it8721",
.model = "IT8721F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
| FEAT_FAN16_CONFIG | FEAT_FIVE_FANS | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.peci_mask = 0x05,
.old_peci_mask = 0x02,
},
[it8728] = {
.name = "it8728",
.model = "IT8728F",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
| FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
| FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it8732] = {
.name = "it8732",
.model = "IT8732F",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
| FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FOUR_FANS
| FEAT_FOUR_PWM | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
.old_peci_mask = 0x02,
},
[it8771] = {
.name = "it8771",
.model = "IT8771E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it8772] = {
.name = "it8772",
.model = "IT8772E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it8781] = {
.name = "it8781",
.model = "IT8781F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
| FEAT_FANCTL_ONOFF,
.old_peci_mask = 0x4,
},
[it8782] = {
.name = "it8782",
.model = "IT8782F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
| FEAT_FANCTL_ONOFF,
.old_peci_mask = 0x4,
},
[it8783] = {
.name = "it8783",
.model = "IT8783E/F",
.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG | FEAT_PWM_FREQ2
| FEAT_FANCTL_ONOFF,
.old_peci_mask = 0x4,
},
[it8786] = {
.name = "it8786",
.model = "IT8786E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it8790] = {
.name = "it8790",
.model = "IT8790E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_PWM_FREQ2 | FEAT_FANCTL_ONOFF | FEAT_NOCONF,
.peci_mask = 0x07,
},
[it8792] = {
.name = "it8792",
.model = "IT8792E/IT8795E",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
| FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FANCTL_ONOFF
| FEAT_NOCONF,
.peci_mask = 0x07,
.old_peci_mask = 0x02,
},
[it8603] = {
.name = "it8603",
.model = "IT8603E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL
| FEAT_AVCC3 | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
[it8620] = {
.name = "it8620",
.model = "IT8620E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
| FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
| FEAT_SIX_TEMP | FEAT_VIN3_5V | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it8622] = {
.name = "it8622",
.model = "IT8622E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
| FEAT_FIVE_PWM | FEAT_IN7_INTERNAL | FEAT_PWM_FREQ2
| FEAT_AVCC3 | FEAT_VIN3_5V | FEAT_FOUR_TEMP,
.peci_mask = 0x07,
.smbus_bitmap = BIT(1) | BIT(2),
},
[it8628] = {
.name = "it8628",
.model = "IT8628E",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_SIX_FANS
| FEAT_IN7_INTERNAL | FEAT_SIX_PWM | FEAT_PWM_FREQ2
| FEAT_SIX_TEMP | FEAT_VIN3_5V | FEAT_FANCTL_ONOFF,
.peci_mask = 0x07,
},
[it87952] = {
.name = "it87952",
.model = "IT87952E",
.features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
| FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FANCTL_ONOFF
| FEAT_NOCONF,
.peci_mask = 0x07,
.old_peci_mask = 0x02,
},
};
#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
#define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC)
#define has_10_9mv_adc(data) ((data)->features & FEAT_10_9MV_ADC)
#define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM)
#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM)
#define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET)
#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \
((data)->peci_mask & BIT(nr)))
#define has_temp_old_peci(data, nr) \
(((data)->features & FEAT_TEMP_OLD_PECI) && \
((data)->old_peci_mask & BIT(nr)))
#define has_fan16_config(data) ((data)->features & FEAT_FAN16_CONFIG)
#define has_four_fans(data) ((data)->features & (FEAT_FOUR_FANS | \
FEAT_FIVE_FANS | \
FEAT_SIX_FANS))
#define has_five_fans(data) ((data)->features & (FEAT_FIVE_FANS | \
FEAT_SIX_FANS))
#define has_six_fans(data) ((data)->features & FEAT_SIX_FANS)
#define has_vid(data) ((data)->features & FEAT_VID)
#define has_in7_internal(data) ((data)->features & FEAT_IN7_INTERNAL)
#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
#define has_four_pwm(data) ((data)->features & (FEAT_FOUR_PWM | \
FEAT_FIVE_PWM | \
FEAT_SIX_PWM))
#define has_five_pwm(data) ((data)->features & (FEAT_FIVE_PWM | \
FEAT_SIX_PWM))
#define has_six_pwm(data) ((data)->features & FEAT_SIX_PWM)
#define has_pwm_freq2(data) ((data)->features & FEAT_PWM_FREQ2)
#define has_four_temp(data) ((data)->features & FEAT_FOUR_TEMP)
#define has_six_temp(data) ((data)->features & FEAT_SIX_TEMP)
#define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V)
#define has_noconf(data) ((data)->features & FEAT_NOCONF)
#define has_scaling(data) ((data)->features & (FEAT_12MV_ADC | \
FEAT_10_9MV_ADC))
#define has_fanctl_onoff(data) ((data)->features & FEAT_FANCTL_ONOFF)
struct it87_sio_data {
int sioaddr;
enum chips type;
u8 revision;
u8 vid_value;
u8 beep_pin;
u8 internal;
bool need_in7_reroute;
u16 skip_in;
u8 skip_vid;
u8 skip_fan;
u8 skip_pwm;
u8 skip_temp;
u8 smbus_bitmap;
u8 ec_special_config;
};
struct it87_data {
const struct attribute_group *groups[7];
int sioaddr;
enum chips type;
u32 features;
u8 peci_mask;
u8 old_peci_mask;
u8 smbus_bitmap;
u8 ec_special_config;
unsigned short addr;
const char *name;
struct mutex update_lock;
bool valid;
unsigned long last_updated;
u16 in_scaled;
u16 in_internal;
u16 has_in;
u8 in[NUM_VIN][3];
bool need_in7_reroute;
u8 has_fan;
u16 fan[NUM_FAN][2];
u8 has_temp;
s8 temp[NUM_TEMP][4];
u8 sensor;
u8 extra;
u8 fan_div[NUM_FAN_DIV];
bool has_vid;
u8 vid;
u8 vrm;
u32 alarms;
bool has_beep;
u8 beeps;
u8 fan_main_ctrl;
u8 fan_ctl;
u8 has_pwm;
u8 pwm_ctrl[NUM_PWM];
u8 pwm_duty[NUM_PWM];
u8 pwm_temp_map[NUM_PWM];
u8 auto_pwm[NUM_AUTO_PWM][4];
s8 auto_temp[NUM_AUTO_PWM][5];
};
struct it87_dmi_data {
u8 skip_pwm;
};
static struct it87_dmi_data *dmi_data;
static int adc_lsb(const struct it87_data *data, int nr)
{
int lsb;
if (has_12mv_adc(data))
lsb = 120;
else if (has_10_9mv_adc(data))
lsb = 109;
else
lsb = 160;
if (data->in_scaled & BIT(nr))
lsb <<= 1;
return lsb;
}
static u8 in_to_reg(const struct it87_data *data, int nr, long val)
{
val = DIV_ROUND_CLOSEST(val * 10, adc_lsb(data, nr));
return clamp_val(val, 0, 255);
}
static int in_from_reg(const struct it87_data *data, int nr, int val)
{
return DIV_ROUND_CLOSEST(val * adc_lsb(data, nr), 10);
}
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
return 255;
rpm = clamp_val(rpm, 1, 1000000);
return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
}
static inline u16 FAN16_TO_REG(long rpm)
{
if (rpm == 0)
return 0xffff;
return clamp_val((1350000 + rpm) / (rpm * 2), 1, 0xfffe);
}
#define FAN_FROM_REG(val, div) ((val) == 0 ? -1 : (val) == 255 ? 0 : \
1350000 / ((val) * (div)))
#define FAN16_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \
1350000 / ((val) * 2))
#define TEMP_TO_REG(val) (clamp_val(((val) < 0 ? (((val) - 500) / 1000) : \
((val) + 500) / 1000), -128, 127))
#define TEMP_FROM_REG(val) ((val) * 1000)
static u8 pwm_to_reg(const struct it87_data *data, long val)
{
if (has_newer_autopwm(data))
return val;
else
return val >> 1;
}
static int pwm_from_reg(const struct it87_data *data, u8 reg)
{
if (has_newer_autopwm(data))
return reg;
else
return (reg & 0x7f) << 1;
}
static int DIV_TO_REG(int val)
{
int answer = 0;
while (answer < 7 && (val >>= 1))
answer++;
return answer;
}
#define DIV_FROM_REG(val) BIT(val)
static const unsigned int pwm_freq[8] = {
48000000,
24000000,
12000000,
8000000,
6000000,
3000000,
1500000,
750000,
};
static int smbus_disable(struct it87_data *data)
{
int err;
if (data->smbus_bitmap) {
err = superio_enter(data->sioaddr, has_noconf(data));
if (err)
return err;
superio_select(data->sioaddr, PME);
superio_outb(data->sioaddr, IT87_SPECIAL_CFG_REG,
data->ec_special_config & ~data->smbus_bitmap);
superio_exit(data->sioaddr, has_noconf(data));
}
return 0;
}
static int smbus_enable(struct it87_data *data)
{
int err;
if (data->smbus_bitmap) {
err = superio_enter(data->sioaddr, has_noconf(data));
if (err)
return err;
superio_select(data->sioaddr, PME);
superio_outb(data->sioaddr, IT87_SPECIAL_CFG_REG,
data->ec_special_config);
superio_exit(data->sioaddr, has_noconf(data));
}
return 0;
}
static int it87_read_value(struct it87_data *data, u8 reg)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
return inb_p(data->addr + IT87_DATA_REG_OFFSET);
}
static void it87_write_value(struct it87_data *data, u8 reg, u8 value)
{
outb_p(reg, data->addr + IT87_ADDR_REG_OFFSET);
outb_p(value, data->addr + IT87_DATA_REG_OFFSET);
}
static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
{
data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM[nr]);
if (has_newer_autopwm(data)) {
data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
data->pwm_duty[nr] = it87_read_value(data,
IT87_REG_PWM_DUTY[nr]);
} else {
if (data->pwm_ctrl[nr] & 0x80)
data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
else
data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
}
if (has_old_autopwm(data)) {
int i;
for (i = 0; i < 5 ; i++)
data->auto_temp[nr][i] = it87_read_value(data,
IT87_REG_AUTO_TEMP(nr, i));
for (i = 0; i < 3 ; i++)
data->auto_pwm[nr][i] = it87_read_value(data,
IT87_REG_AUTO_PWM(nr, i));
} else if (has_newer_autopwm(data)) {
int i;
data->auto_temp[nr][0] =
it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 5));
for (i = 0; i < 3 ; i++)
data->auto_temp[nr][i + 1] =
it87_read_value(data,
IT87_REG_AUTO_TEMP(nr, i));
data->auto_pwm[nr][0] =
it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 3));
data->auto_pwm[nr][1] =
it87_read_value(data, IT87_REG_AUTO_TEMP(nr, 4));
}
}
static int it87_lock(struct it87_data *data)
{
int err;
mutex_lock(&data->update_lock);
err = smbus_disable(data);
if (err)
mutex_unlock(&data->update_lock);
return err;
}
static void it87_unlock(struct it87_data *data)
{
smbus_enable(data);
mutex_unlock(&data->update_lock);
}
static struct it87_data *it87_update_device(struct device *dev)
{
struct it87_data *data = dev_get_drvdata(dev);
struct it87_data *ret = data;
int err;
int i;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2) ||
!data->valid) {
err = smbus_disable(data);
if (err) {
ret = ERR_PTR(err);
goto unlock;
}
if (update_vbat) {
it87_write_value(data, IT87_REG_CONFIG,
it87_read_value(data, IT87_REG_CONFIG) | 0x40);
}
for (i = 0; i < NUM_VIN; i++) {
if (!(data->has_in & BIT(i)))
continue;
data->in[i][0] =
it87_read_value(data, IT87_REG_VIN[i]);
if (i >= NUM_VIN_LIMIT)
continue;
data->in[i][1] =
it87_read_value(data, IT87_REG_VIN_MIN(i));
data->in[i][2] =
it87_read_value(data, IT87_REG_VIN_MAX(i));
}
for (i = 0; i < NUM_FAN; i++) {
if (!(data->has_fan & BIT(i)))
continue;
data->fan[i][1] =
it87_read_value(data, IT87_REG_FAN_MIN[i]);
data->fan[i][0] = it87_read_value(data,
IT87_REG_FAN[i]);
if (has_16bit_fans(data)) {
data->fan[i][0] |= it87_read_value(data,
IT87_REG_FANX[i]) << 8;
data->fan[i][1] |= it87_read_value(data,
IT87_REG_FANX_MIN[i]) << 8;
}
}
for (i = 0; i < NUM_TEMP; i++) {
if (!(data->has_temp & BIT(i)))
continue;
data->temp[i][0] =
it87_read_value(data, IT87_REG_TEMP(i));
if (has_temp_offset(data) && i < NUM_TEMP_OFFSET)
data->temp[i][3] =
it87_read_value(data,
IT87_REG_TEMP_OFFSET[i]);
if (i >= NUM_TEMP_LIMIT)
continue;
data->temp[i][1] =
it87_read_value(data, IT87_REG_TEMP_LOW(i));
data->temp[i][2] =
it87_read_value(data, IT87_REG_TEMP_HIGH(i));
}
if ((data->has_fan & 0x07) && !has_16bit_fans(data)) {
i = it87_read_value(data, IT87_REG_FAN_DIV);
data->fan_div[0] = i & 0x07;
data->fan_div[1] = (i >> 3) & 0x07;
data->fan_div[2] = (i & 0x40) ? 3 : 1;
}
data->alarms =
it87_read_value(data, IT87_REG_ALARM1) |
(it87_read_value(data, IT87_REG_ALARM2) << 8) |
(it87_read_value(data, IT87_REG_ALARM3) << 16);
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
data->fan_main_ctrl = it87_read_value(data,
IT87_REG_FAN_MAIN_CTRL);
data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
for (i = 0; i < NUM_PWM; i++) {
if (!(data->has_pwm & BIT(i)))
continue;
it87_update_pwm_ctrl(data, i);
}
data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
if (data->type == it8712 || data->type == it8716) {
data->vid = it87_read_value(data, IT87_REG_VID);
data->vid &= 0x3f;
}
data->last_updated = jiffies;
data->valid = true;
smbus_enable(data);
}
unlock:
mutex_unlock(&data->update_lock);
return ret;
}
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct it87_data *data = it87_update_device(dev);
int index = sattr->index;
int nr = sattr->nr;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index]));
}
static ssize_t set_in(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
struct it87_data *data = dev_get_drvdata(dev);
int index = sattr->index;
int nr = sattr->nr;
unsigned long val;
int err;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
data->in[nr][index] = in_to_reg(data, nr, val);
it87_write_value(data,
index == 1 ? IT87_REG_VIN_MIN(nr)
: IT87_REG_VIN_MAX(nr),
data->in[nr][index]);
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0);
static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_in, set_in,
0, 1);
static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_in, set_in,
0, 2);
static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_in, set_in,
1, 1);
static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_in, set_in,
1, 2);
static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 2, 0);
static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_in, set_in,
2, 1);
static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_in, set_in,
2, 2);
static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 3, 0);
static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_in, set_in,
3, 1);
static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_in, set_in,
3, 2);
static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 4, 0);
static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_in, set_in,
4, 1);
static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_in, set_in,
4, 2);
static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 5, 0);
static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_in, set_in,
5, 1);
static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_in, set_in,
5, 2);
static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 6, 0);
static SENSOR_DEVICE_ATTR_2(in6_min, S_IRUGO | S_IWUSR, show_in, set_in,
6, 1);
static SENSOR_DEVICE_ATTR_2(in6_max, S_IRUGO | S_IWUSR, show_in, set_in,
6, 2);
static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 7, 0);
static SENSOR_DEVICE_ATTR_2(in7_min, S_IRUGO | S_IWUSR, show_in, set_in,
7, 1);
static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in,
7, 2);
static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0);
static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in, NULL, 9, 0);
static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in, NULL, 10, 0);
static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in, NULL, 11, 0);
static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in, NULL, 12, 0);
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
int nr = sattr->nr;
int index = sattr->index;
struct it87_data *data = it87_update_device(dev);
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index]));
}
static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
int nr = sattr->nr;
int index = sattr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
u8 reg, regval;
int err;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
switch (index) {
default:
case 1:
reg = IT87_REG_TEMP_LOW(nr);
break;
case 2:
reg = IT87_REG_TEMP_HIGH(nr);
break;
case 3:
regval = it87_read_value(data, IT87_REG_BEEP_ENABLE);
if (!(regval & 0x80)) {
regval |= 0x80;
it87_write_value(data, IT87_REG_BEEP_ENABLE, regval);
}
data->valid = false;
reg = IT87_REG_TEMP_OFFSET[nr];
break;
}
data->temp[nr][index] = TEMP_TO_REG(val);
it87_write_value(data, reg, data->temp[nr][index]);
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0);
static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
0, 1);
static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
0, 2);
static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp,
set_temp, 0, 3);
static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
1, 1);
static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
1, 2);
static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp,
set_temp, 1, 3);
static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0);
static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp,
2, 1);
static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp,
2, 2);
static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp,
set_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 3, 0);
static SENSOR_DEVICE_ATTR_2(temp5_input, S_IRUGO, show_temp, NULL, 4, 0);
static SENSOR_DEVICE_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0);
static int get_temp_type(struct it87_data *data, int index)
{
u8 reg, extra;
int ttype, type = 0;
ttype = 6;
if ((has_temp_peci(data, index)) || data->type == it8721 ||
data->type == it8720) {
extra = it87_read_value(data, IT87_REG_IFSEL);
if ((extra & 0x70) == 0x40)
ttype = 5;
}
reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
switch (data->type) {
case it8622:
if (!(reg & 0xc0) && index == 3)
type = ttype;
break;
default:
break;
}
if (type || index >= 3)
return type;
extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
if ((has_temp_peci(data, index) && (reg >> 6 == index + 1)) ||
(has_temp_old_peci(data, index) && (extra & 0x80)))
type = ttype;
else if (reg & BIT(index))
type = 3;
else if (reg & BIT(index + 3))
type = 4;
return type;
}
static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n", get_temp_type(data, sensor_attr->index));
}
static ssize_t set_temp_type(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
u8 reg, extra;
int err;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
reg = it87_read_value(data, IT87_REG_TEMP_ENABLE);
reg &= ~(1 << nr);
reg &= ~(8 << nr);
if (has_temp_peci(data, nr) && (reg >> 6 == nr + 1 || val == 6))
reg &= 0x3f;
extra = it87_read_value(data, IT87_REG_TEMP_EXTRA);
if (has_temp_old_peci(data, nr) && ((extra & 0x80) || val == 6))
extra &= 0x7f;
if (val == 2) {
dev_warn(dev,
"Sensor type 2 is deprecated, please use 4 instead\n");
val = 4;
}
if (val == 3)
reg |= 1 << nr;
else if (val == 4)
reg |= 8 << nr;
else if (has_temp_peci(data, nr) && val == 6)
reg |= (nr + 1) << 6;
else if (has_temp_old_peci(data, nr) && val == 6)
extra |= 0x80;
else if (val != 0) {
count = -EINVAL;
goto unlock;
}
data->sensor = reg;
data->extra = extra;
it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor);
if (has_temp_old_peci(data, nr))
it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
data->valid = false;
unlock:
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type,
set_temp_type, 0);
static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type,
set_temp_type, 1);
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type,
set_temp_type, 2);
static int pwm_mode(const struct it87_data *data, int nr)
{
if (has_fanctl_onoff(data) && nr < 3 &&
!(data->fan_main_ctrl & BIT(nr)))
return 0;
if (data->pwm_ctrl[nr] & 0x80)
return 2;
if ((!has_fanctl_onoff(data) || nr >= 3) &&
data->pwm_duty[nr] == pwm_to_reg(data, 0xff))
return 0;
return 1;
}
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
int nr = sattr->nr;
int index = sattr->index;
int speed;
struct it87_data *data = it87_update_device(dev);
if (IS_ERR(data))
return PTR_ERR(data);
speed = has_16bit_fans(data) ?
FAN16_FROM_REG(data->fan[nr][index]) :
FAN_FROM_REG(data->fan[nr][index],
DIV_FROM_REG(data->fan_div[nr]));
return sprintf(buf, "%d\n", speed);
}
static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%lu\n", DIV_FROM_REG(data->fan_div[nr]));
}
static ssize_t show_pwm_enable(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n", pwm_mode(data, nr));
}
static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->pwm_duty[nr]));
}
static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
unsigned int freq;
int index;
if (IS_ERR(data))
return PTR_ERR(data);
if (has_pwm_freq2(data) && nr == 1)
index = (data->extra >> 4) & 0x07;
else
index = (data->fan_ctl >> 4) & 0x07;
freq = pwm_freq[index] / (has_newer_autopwm(data) ? 256 : 128);
return sprintf(buf, "%u\n", freq);
}
static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
int nr = sattr->nr;
int index = sattr->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
int err;
u8 reg;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
if (has_16bit_fans(data)) {
data->fan[nr][index] = FAN16_TO_REG(val);
it87_write_value(data, IT87_REG_FAN_MIN[nr],
data->fan[nr][index] & 0xff);
it87_write_value(data, IT87_REG_FANX_MIN[nr],
data->fan[nr][index] >> 8);
} else {
reg = it87_read_value(data, IT87_REG_FAN_DIV);
switch (nr) {
case 0:
data->fan_div[nr] = reg & 0x07;
break;
case 1:
data->fan_div[nr] = (reg >> 3) & 0x07;
break;
case 2:
data->fan_div[nr] = (reg & 0x40) ? 3 : 1;
break;
}
data->fan[nr][index] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(data, IT87_REG_FAN_MIN[nr],
data->fan[nr][index]);
}
it87_unlock(data);
return count;
}
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
unsigned long val;
int min, err;
u8 old;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
old = it87_read_value(data, IT87_REG_FAN_DIV);
min = FAN_FROM_REG(data->fan[nr][1], DIV_FROM_REG(data->fan_div[nr]));
switch (nr) {
case 0:
case 1:
data->fan_div[nr] = DIV_TO_REG(val);
break;
case 2:
if (val < 8)
data->fan_div[nr] = 1;
else
data->fan_div[nr] = 3;
}
val = old & 0x80;
val |= (data->fan_div[0] & 0x07);
val |= (data->fan_div[1] & 0x07) << 3;
if (data->fan_div[2] == 3)
val |= 0x1 << 6;
it87_write_value(data, IT87_REG_FAN_DIV, val);
data->fan[nr][1] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan[nr][1]);
it87_unlock(data);
return count;
}
static int check_trip_points(struct device *dev, int nr)
{
const struct it87_data *data = dev_get_drvdata(dev);
int i, err = 0;
if (has_old_autopwm(data)) {
for (i = 0; i < 3; i++) {
if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
err = -EINVAL;
}
for (i = 0; i < 2; i++) {
if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
err = -EINVAL;
}
} else if (has_newer_autopwm(data)) {
for (i = 1; i < 3; i++) {
if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
err = -EINVAL;
}
}
if (err) {
dev_err(dev,
"Inconsistent trip points, not switching to automatic mode\n");
dev_err(dev, "Adjust the trip points and try again\n");
}
return err;
}
static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
long val;
int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 2)
return -EINVAL;
if (val == 2) {
if (check_trip_points(dev, nr) < 0)
return -EINVAL;
}
err = it87_lock(data);
if (err)
return err;
if (val == 0) {
if (nr < 3 && has_fanctl_onoff(data)) {
int tmp;
tmp = it87_read_value(data, IT87_REG_FAN_CTL);
it87_write_value(data, IT87_REG_FAN_CTL, tmp | BIT(nr));
data->fan_main_ctrl &= ~BIT(nr);
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
data->fan_main_ctrl);
} else {
u8 ctrl;
data->pwm_duty[nr] = pwm_to_reg(data, 0xff);
it87_write_value(data, IT87_REG_PWM_DUTY[nr],
data->pwm_duty[nr]);
if (has_newer_autopwm(data)) {
ctrl = (data->pwm_ctrl[nr] & 0x7c) |
data->pwm_temp_map[nr];
} else {
ctrl = data->pwm_duty[nr];
}
data->pwm_ctrl[nr] = ctrl;
it87_write_value(data, IT87_REG_PWM[nr], ctrl);
}
} else {
u8 ctrl;
if (has_newer_autopwm(data)) {
ctrl = (data->pwm_ctrl[nr] & 0x7c) |
data->pwm_temp_map[nr];
if (val != 1)
ctrl |= 0x80;
} else {
ctrl = (val == 1 ? data->pwm_duty[nr] : 0x80);
}
data->pwm_ctrl[nr] = ctrl;
it87_write_value(data, IT87_REG_PWM[nr], ctrl);
if (has_fanctl_onoff(data) && nr < 3) {
data->fan_main_ctrl |= BIT(nr);
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
data->fan_main_ctrl);
}
}
it87_unlock(data);
return count;
}
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
long val;
int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
it87_update_pwm_ctrl(data, nr);
if (has_newer_autopwm(data)) {
if (data->pwm_ctrl[nr] & 0x80) {
count = -EBUSY;
goto unlock;
}
data->pwm_duty[nr] = pwm_to_reg(data, val);
it87_write_value(data, IT87_REG_PWM_DUTY[nr],
data->pwm_duty[nr]);
} else {
data->pwm_duty[nr] = pwm_to_reg(data, val);
if (!(data->pwm_ctrl[nr] & 0x80)) {
data->pwm_ctrl[nr] = data->pwm_duty[nr];
it87_write_value(data, IT87_REG_PWM[nr],
data->pwm_ctrl[nr]);
}
}
unlock:
it87_unlock(data);
return count;
}
static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
unsigned long val;
int err;
int i;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
val = clamp_val(val, 0, 1000000);
val *= has_newer_autopwm(data) ? 256 : 128;
for (i = 0; i < 7; i++) {
if (val > (pwm_freq[i] + pwm_freq[i + 1]) / 2)
break;
}
err = it87_lock(data);
if (err)
return err;
if (nr == 0) {
data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL) & 0x8f;
data->fan_ctl |= i << 4;
it87_write_value(data, IT87_REG_FAN_CTL, data->fan_ctl);
} else {
data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x8f;
data->extra |= i << 4;
it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra);
}
it87_unlock(data);
return count;
}
static ssize_t show_pwm_temp_map(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = it87_update_device(dev);
int nr = sensor_attr->index;
int map;
if (IS_ERR(data))
return PTR_ERR(data);
map = data->pwm_temp_map[nr];
if (map >= 3)
map = 0;
if (nr >= 3)
map += 3;
return sprintf(buf, "%d\n", (int)BIT(map));
}
static ssize_t set_pwm_temp_map(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
struct it87_data *data = dev_get_drvdata(dev);
int nr = sensor_attr->index;
long val;
int err;
u8 reg;
if (kstrtol(buf, 10, &val) < 0)
return -EINVAL;
if (nr >= 3)
val -= 3;
switch (val) {
case BIT(0):
reg = 0x00;
break;
case BIT(1):
reg = 0x01;
break;
case BIT(2):
reg = 0x02;
break;
default:
return -EINVAL;
}
err = it87_lock(data);
if (err)
return err;
it87_update_pwm_ctrl(data, nr);
data->pwm_temp_map[nr] = reg;
if (data->pwm_ctrl[nr] & 0x80) {
data->pwm_ctrl[nr] = (data->pwm_ctrl[nr] & 0xfc) |
data->pwm_temp_map[nr];
it87_write_value(data, IT87_REG_PWM[nr], data->pwm_ctrl[nr]);
}
it87_unlock(data);
return count;
}
static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n",
pwm_from_reg(data, data->auto_pwm[nr][point]));
}
static ssize_t set_auto_pwm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
int regaddr;
long val;
int err;
if (kstrtol(buf, 10, &val) < 0 || val < 0 || val > 255)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
data->auto_pwm[nr][point] = pwm_to_reg(data, val);
if (has_newer_autopwm(data))
regaddr = IT87_REG_AUTO_TEMP(nr, 3);
else
regaddr = IT87_REG_AUTO_PWM(nr, point);
it87_write_value(data, regaddr, data->auto_pwm[nr][point]);
it87_unlock(data);
return count;
}
static ssize_t show_auto_pwm_slope(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%d\n", data->auto_pwm[nr][1] & 0x7f);
}
static ssize_t set_auto_pwm_slope(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
int nr = sensor_attr->index;
unsigned long val;
int err;
if (kstrtoul(buf, 10, &val) < 0 || val > 127)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
data->auto_pwm[nr][1] = (data->auto_pwm[nr][1] & 0x80) | val;
it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 4),
data->auto_pwm[nr][1]);
it87_unlock(data);
return count;
}
static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
int reg;
if (IS_ERR(data))
return PTR_ERR(data);
if (has_old_autopwm(data) || point)
reg = data->auto_temp[nr][point];
else
reg = data->auto_temp[nr][1] - (data->auto_temp[nr][0] & 0x1f);
return sprintf(buf, "%d\n", TEMP_FROM_REG(reg));
}
static ssize_t set_auto_temp(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute_2 *sensor_attr =
to_sensor_dev_attr_2(attr);
int nr = sensor_attr->nr;
int point = sensor_attr->index;
long val;
int reg;
int err;
if (kstrtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
if (has_newer_autopwm(data) && !point) {
reg = data->auto_temp[nr][1] - TEMP_TO_REG(val);
reg = clamp_val(reg, 0, 0x1f) | (data->auto_temp[nr][0] & 0xe0);
data->auto_temp[nr][0] = reg;
it87_write_value(data, IT87_REG_AUTO_TEMP(nr, 5), reg);
} else {
reg = TEMP_TO_REG(val);
data->auto_temp[nr][point] = reg;
if (has_newer_autopwm(data))
point--;
it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point), reg);
}
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0);
static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
0, 1);
static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, show_fan_div,
set_fan_div, 0);
static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 1, 0);
static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
1, 1);
static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, show_fan_div,
set_fan_div, 1);
static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 2, 0);
static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
2, 1);
static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, show_fan_div,
set_fan_div, 2);
static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 3, 0);
static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
3, 1);
static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0);
static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
4, 1);
static SENSOR_DEVICE_ATTR_2(fan6_input, S_IRUGO, show_fan, NULL, 5, 0);
static SENSOR_DEVICE_ATTR_2(fan6_min, S_IRUGO | S_IWUSR, show_fan, set_fan,
5, 1);
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 0);
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0);
static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq,
set_pwm_freq, 0);
static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 0, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 0, 1);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 0, 2);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO,
show_auto_pwm, NULL, 0, 3);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 1);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 2);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 3);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 0, 4);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 0, 0);
static SENSOR_DEVICE_ATTR(pwm1_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 0);
static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 1);
static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 1);
static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, set_pwm_freq, 1);
static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 1, 0);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 1, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 1, 2);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO,
show_auto_pwm, NULL, 1, 3);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 0);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 2);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 3);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 1, 4);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 1, 0);
static SENSOR_DEVICE_ATTR(pwm2_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 1);
static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 2);
static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 2);
static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL, 2);
static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 2);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 2, 0);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 2, 1);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 2, 2);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO,
show_auto_pwm, NULL, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 1);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 0);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 2);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 4);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 2, 0);
static SENSOR_DEVICE_ATTR(pwm3_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 2);
static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 3);
static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 3);
static SENSOR_DEVICE_ATTR(pwm4_freq, S_IRUGO, show_pwm_freq, NULL, 3);
static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 3);
static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 1);
static SENSOR_DEVICE_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 0);
static SENSOR_DEVICE_ATTR_2(pwm4_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 2);
static SENSOR_DEVICE_ATTR_2(pwm4_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm4_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 3, 0);
static SENSOR_DEVICE_ATTR(pwm4_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 3);
static SENSOR_DEVICE_ATTR(pwm5_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 4);
static SENSOR_DEVICE_ATTR(pwm5, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 4);
static SENSOR_DEVICE_ATTR(pwm5_freq, S_IRUGO, show_pwm_freq, NULL, 4);
static SENSOR_DEVICE_ATTR(pwm5_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 4);
static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 1);
static SENSOR_DEVICE_ATTR_2(pwm5_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 0);
static SENSOR_DEVICE_ATTR_2(pwm5_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 2);
static SENSOR_DEVICE_ATTR_2(pwm5_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm5_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 4, 0);
static SENSOR_DEVICE_ATTR(pwm5_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 4);
static SENSOR_DEVICE_ATTR(pwm6_enable, S_IRUGO | S_IWUSR,
show_pwm_enable, set_pwm_enable, 5);
static SENSOR_DEVICE_ATTR(pwm6, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 5);
static SENSOR_DEVICE_ATTR(pwm6_freq, S_IRUGO, show_pwm_freq, NULL, 5);
static SENSOR_DEVICE_ATTR(pwm6_auto_channels_temp, S_IRUGO,
show_pwm_temp_map, set_pwm_temp_map, 5);
static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 1);
static SENSOR_DEVICE_ATTR_2(pwm6_auto_point1_temp_hyst, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 0);
static SENSOR_DEVICE_ATTR_2(pwm6_auto_point2_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 2);
static SENSOR_DEVICE_ATTR_2(pwm6_auto_point3_temp, S_IRUGO | S_IWUSR,
show_auto_temp, set_auto_temp, 2, 3);
static SENSOR_DEVICE_ATTR_2(pwm6_auto_start, S_IRUGO | S_IWUSR,
show_auto_pwm, set_auto_pwm, 5, 0);
static SENSOR_DEVICE_ATTR(pwm6_auto_slope, S_IRUGO | S_IWUSR,
show_auto_pwm_slope, set_auto_pwm_slope, 5);
static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%u\n", data->alarms);
}
static DEVICE_ATTR_RO(alarms);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
}
static ssize_t clear_intrusion(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
int err, config;
long val;
if (kstrtol(buf, 10, &val) < 0 || val != 0)
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
config = it87_read_value(data, IT87_REG_CONFIG);
if (config < 0) {
count = config;
} else {
config |= BIT(5);
it87_write_value(data, IT87_REG_CONFIG, config);
data->valid = false;
}
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 8);
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 9);
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 10);
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 11);
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 12);
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 14);
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 15);
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IRUGO | S_IWUSR,
show_alarm, clear_intrusion, 4);
static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = it87_update_device(dev);
int bitnr = to_sensor_dev_attr(attr)->index;
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
}
static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int bitnr = to_sensor_dev_attr(attr)->index;
struct it87_data *data = dev_get_drvdata(dev);
long val;
int err;
if (kstrtol(buf, 10, &val) < 0 || (val != 0 && val != 1))
return -EINVAL;
err = it87_lock(data);
if (err)
return err;
data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
if (val)
data->beeps |= BIT(bitnr);
else
data->beeps &= ~BIT(bitnr);
it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
it87_unlock(data);
return count;
}
static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
show_beep, set_beep, 1);
static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO, show_beep, NULL, 1);
static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(fan6_beep, S_IRUGO, show_beep, set_beep, 0);
static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
show_beep, set_beep, 2);
static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_beep, NULL, 2);
static ssize_t vrm_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct it87_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", data->vrm);
}
static ssize_t vrm_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct it87_data *data = dev_get_drvdata(dev);
unsigned long val;
if (kstrtoul(buf, 10, &val) < 0)
return -EINVAL;
data->vrm = val;
return count;
}
static DEVICE_ATTR_RW(vrm);
static ssize_t cpu0_vid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct it87_data *data = it87_update_device(dev);
if (IS_ERR(data))
return PTR_ERR(data);
return sprintf(buf, "%ld\n", (long)vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR_RO(cpu0_vid);
static ssize_t show_label(struct device *dev, struct device_attribute *attr,
char *buf)
{
static const char * const labels[] = {
"+5V",
"5VSB",
"Vbat",
"AVCC",
};
static const char * const labels_it8721[] = {
"+3.3V",
"3VSB",
"Vbat",
"+3.3V",
};
struct it87_data *data = dev_get_drvdata(dev);
int nr = to_sensor_dev_attr(attr)->index;
const char *label;
if (has_vin3_5v(data) && nr == 0)
label = labels[0];
else if (has_scaling(data))
label = labels_it8721[nr];
else
label = labels[nr];
return sprintf(buf, "%s\n", label);
}
static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 0);
static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 1);
static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 2);
static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 3);
static umode_t it87_in_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 5;
int a = index % 5;
if (index >= 40) {
i = index - 40 + 8;
a = 0;
}
if (!(data->has_in & BIT(i)))
return 0;
if (a == 4 && !data->has_beep)
return 0;
return attr->mode;
}
static struct attribute *it87_attributes_in[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_min.dev_attr.attr,
&sensor_dev_attr_in0_max.dev_attr.attr,
&sensor_dev_attr_in0_alarm.dev_attr.attr,
&sensor_dev_attr_in0_beep.dev_attr.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in1_min.dev_attr.attr,
&sensor_dev_attr_in1_max.dev_attr.attr,
&sensor_dev_attr_in1_alarm.dev_attr.attr,
&sensor_dev_attr_in1_beep.dev_attr.attr,
&sensor_dev_attr_in2_input.dev_attr.attr,
&sensor_dev_attr_in2_min.dev_attr.attr,
&sensor_dev_attr_in2_max.dev_attr.attr,
&sensor_dev_attr_in2_alarm.dev_attr.attr,
&sensor_dev_attr_in2_beep.dev_attr.attr,
&sensor_dev_attr_in3_input.dev_attr.attr,
&sensor_dev_attr_in3_min.dev_attr.attr,
&sensor_dev_attr_in3_max.dev_attr.attr,
&sensor_dev_attr_in3_alarm.dev_attr.attr,
&sensor_dev_attr_in3_beep.dev_attr.attr,
&sensor_dev_attr_in4_input.dev_attr.attr,
&sensor_dev_attr_in4_min.dev_attr.attr,
&sensor_dev_attr_in4_max.dev_attr.attr,
&sensor_dev_attr_in4_alarm.dev_attr.attr,
&sensor_dev_attr_in4_beep.dev_attr.attr,
&sensor_dev_attr_in5_input.dev_attr.attr,
&sensor_dev_attr_in5_min.dev_attr.attr,
&sensor_dev_attr_in5_max.dev_attr.attr,
&sensor_dev_attr_in5_alarm.dev_attr.attr,
&sensor_dev_attr_in5_beep.dev_attr.attr,
&sensor_dev_attr_in6_input.dev_attr.attr,
&sensor_dev_attr_in6_min.dev_attr.attr,
&sensor_dev_attr_in6_max.dev_attr.attr,
&sensor_dev_attr_in6_alarm.dev_attr.attr,
&sensor_dev_attr_in6_beep.dev_attr.attr,
&sensor_dev_attr_in7_input.dev_attr.attr,
&sensor_dev_attr_in7_min.dev_attr.attr,
&sensor_dev_attr_in7_max.dev_attr.attr,
&sensor_dev_attr_in7_alarm.dev_attr.attr,
&sensor_dev_attr_in7_beep.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,
NULL
};
static const struct attribute_group it87_group_in = {
.attrs = it87_attributes_in,
.is_visible = it87_in_is_visible,
};
static umode_t it87_temp_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 7;
int a = index % 7;
if (index >= 21) {
i = index - 21 + 3;
a = 0;
}
if (!(data->has_temp & BIT(i)))
return 0;
if (a == 3) {
if (get_temp_type(data, i) == 0)
return 0;
return attr->mode;
}
if (a == 5 && !has_temp_offset(data))
return 0;
if (a == 6 && !data->has_beep)
return 0;
return attr->mode;
}
static struct attribute *it87_attributes_temp[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
&sensor_dev_attr_temp1_min.dev_attr.attr,
&sensor_dev_attr_temp1_type.dev_attr.attr,
&sensor_dev_attr_temp1_alarm.dev_attr.attr,
&sensor_dev_attr_temp1_offset.dev_attr.attr,
&sensor_dev_attr_temp1_beep.dev_attr.attr,
&sensor_dev_attr_temp2_input.dev_attr.attr,
&sensor_dev_attr_temp2_max.dev_attr.attr,
&sensor_dev_attr_temp2_min.dev_attr.attr,
&sensor_dev_attr_temp2_type.dev_attr.attr,
&sensor_dev_attr_temp2_alarm.dev_attr.attr,
&sensor_dev_attr_temp2_offset.dev_attr.attr,
&sensor_dev_attr_temp2_beep.dev_attr.attr,
&sensor_dev_attr_temp3_input.dev_attr.attr,
&sensor_dev_attr_temp3_max.dev_attr.attr,
&sensor_dev_attr_temp3_min.dev_attr.attr,
&sensor_dev_attr_temp3_type.dev_attr.attr,
&sensor_dev_attr_temp3_alarm.dev_attr.attr,
&sensor_dev_attr_temp3_offset.dev_attr.attr,
&sensor_dev_attr_temp3_beep.dev_attr.attr,
&sensor_dev_attr_temp4_input.dev_attr.attr,
&sensor_dev_attr_temp5_input.dev_attr.attr,
&sensor_dev_attr_temp6_input.dev_attr.attr,
NULL
};
static const struct attribute_group it87_group_temp = {
.attrs = it87_attributes_temp,
.is_visible = it87_temp_is_visible,
};
static umode_t it87_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
if ((index == 2 || index == 3) && !data->has_vid)
return 0;
if (index > 3 && !(data->in_internal & BIT(index - 4)))
return 0;
return attr->mode;
}
static struct attribute *it87_attributes[] = {
&dev_attr_alarms.attr,
&sensor_dev_attr_intrusion0_alarm.dev_attr.attr,
&dev_attr_vrm.attr,
&dev_attr_cpu0_vid.attr,
&sensor_dev_attr_in3_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,
NULL
};
static const struct attribute_group it87_group = {
.attrs = it87_attributes,
.is_visible = it87_is_visible,
};
static umode_t it87_fan_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 5;
int a = index % 5;
if (index >= 15) {
i = (index - 15) / 4 + 3;
a = (index - 15) % 4;
}
if (!(data->has_fan & BIT(i)))
return 0;
if (a == 3) {
if (!data->has_beep)
return 0;
if (i == __ffs(data->has_fan))
return attr->mode | S_IWUSR;
}
if (a == 4 && has_16bit_fans(data))
return 0;
return attr->mode;
}
static struct attribute *it87_attributes_fan[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,
&sensor_dev_attr_fan1_min.dev_attr.attr,
&sensor_dev_attr_fan1_alarm.dev_attr.attr,
&sensor_dev_attr_fan1_beep.dev_attr.attr,
&sensor_dev_attr_fan1_div.dev_attr.attr,
&sensor_dev_attr_fan2_input.dev_attr.attr,
&sensor_dev_attr_fan2_min.dev_attr.attr,
&sensor_dev_attr_fan2_alarm.dev_attr.attr,
&sensor_dev_attr_fan2_beep.dev_attr.attr,
&sensor_dev_attr_fan2_div.dev_attr.attr,
&sensor_dev_attr_fan3_input.dev_attr.attr,
&sensor_dev_attr_fan3_min.dev_attr.attr,
&sensor_dev_attr_fan3_alarm.dev_attr.attr,
&sensor_dev_attr_fan3_beep.dev_attr.attr,
&sensor_dev_attr_fan3_div.dev_attr.attr,
&sensor_dev_attr_fan4_input.dev_attr.attr,
&sensor_dev_attr_fan4_min.dev_attr.attr,
&sensor_dev_attr_fan4_alarm.dev_attr.attr,
&sensor_dev_attr_fan4_beep.dev_attr.attr,
&sensor_dev_attr_fan5_input.dev_attr.attr,
&sensor_dev_attr_fan5_min.dev_attr.attr,
&sensor_dev_attr_fan5_alarm.dev_attr.attr,
&sensor_dev_attr_fan5_beep.dev_attr.attr,
&sensor_dev_attr_fan6_input.dev_attr.attr,
&sensor_dev_attr_fan6_min.dev_attr.attr,
&sensor_dev_attr_fan6_alarm.dev_attr.attr,
&sensor_dev_attr_fan6_beep.dev_attr.attr,
NULL
};
static const struct attribute_group it87_group_fan = {
.attrs = it87_attributes_fan,
.is_visible = it87_fan_is_visible,
};
static umode_t it87_pwm_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 4;
int a = index % 4;
if (!(data->has_pwm & BIT(i)))
return 0;
if (a == 3 && (has_old_autopwm(data) || has_newer_autopwm(data)))
return attr->mode | S_IWUSR;
if (has_pwm_freq2(data) && i == 1 && a == 2)
return attr->mode | S_IWUSR;
return attr->mode;
}
static struct attribute *it87_attributes_pwm[] = {
&sensor_dev_attr_pwm1_enable.dev_attr.attr,
&sensor_dev_attr_pwm1.dev_attr.attr,
&sensor_dev_attr_pwm1_freq.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_enable.dev_attr.attr,
&sensor_dev_attr_pwm2.dev_attr.attr,
&sensor_dev_attr_pwm2_freq.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_enable.dev_attr.attr,
&sensor_dev_attr_pwm3.dev_attr.attr,
&sensor_dev_attr_pwm3_freq.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm4_enable.dev_attr.attr,
&sensor_dev_attr_pwm4.dev_attr.attr,
&sensor_dev_attr_pwm4_freq.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm5_enable.dev_attr.attr,
&sensor_dev_attr_pwm5.dev_attr.attr,
&sensor_dev_attr_pwm5_freq.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_channels_temp.dev_attr.attr,
&sensor_dev_attr_pwm6_enable.dev_attr.attr,
&sensor_dev_attr_pwm6.dev_attr.attr,
&sensor_dev_attr_pwm6_freq.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_channels_temp.dev_attr.attr,
NULL
};
static const struct attribute_group it87_group_pwm = {
.attrs = it87_attributes_pwm,
.is_visible = it87_pwm_is_visible,
};
static umode_t it87_auto_pwm_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
struct device *dev = kobj_to_dev(kobj);
struct it87_data *data = dev_get_drvdata(dev);
int i = index / 11;
int a = index % 11;
if (index >= 33) {
i = (index - 33) / 6 + 3;
a = (index - 33) % 6 + 4;
}
if (!(data->has_pwm & BIT(i)))
return 0;
if (has_newer_autopwm(data)) {
if (a < 4)
return 0;
if (a == 8)
return 0;
}
if (has_old_autopwm(data)) {
if (a >= 9)
return 0;
}
return attr->mode;
}
static struct attribute *it87_attributes_auto_pwm[] = {
&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm1_auto_slope.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm2_auto_slope.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm3_auto_slope.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm4_auto_slope.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm5_auto_slope.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_point1_temp.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_point1_temp_hyst.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_point2_temp.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_point3_temp.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_start.dev_attr.attr,
&sensor_dev_attr_pwm6_auto_slope.dev_attr.attr,
NULL,
};
static const struct attribute_group it87_group_auto_pwm = {
.attrs = it87_attributes_auto_pwm,
.is_visible = it87_auto_pwm_is_visible,
};
static int __init it87_find(int sioaddr, unsigned short *address,
struct it87_sio_data *sio_data, int chip_cnt)
{
int err;
u16 chip_type;
const struct it87_devices *config = NULL;
bool enabled = false;
err = superio_enter(sioaddr, true);
if (err)
return err;
err = -ENODEV;
chip_type = superio_inw(sioaddr, DEVID);
if (chip_type == 0xffff) {
__superio_enter(sioaddr);
enabled = true;
chip_type = superio_inw(sioaddr, DEVID);
if (chip_type == 0xffff)
goto exit;
}
if (force_id_cnt == 1) {
if (force_id[0])
chip_type = force_id[0];
} else if (force_id[chip_cnt])
chip_type = force_id[chip_cnt];
switch (chip_type) {
case IT8705F_DEVID:
sio_data->type = it87;
break;
case IT8712F_DEVID:
sio_data->type = it8712;
break;
case IT8716F_DEVID:
case IT8726F_DEVID:
sio_data->type = it8716;
break;
case IT8718F_DEVID:
sio_data->type = it8718;
break;
case IT8720F_DEVID:
sio_data->type = it8720;
break;
case IT8721F_DEVID:
sio_data->type = it8721;
break;
case IT8728F_DEVID:
sio_data->type = it8728;
break;
case IT8732F_DEVID:
sio_data->type = it8732;
break;
case IT8792E_DEVID:
sio_data->type = it8792;
break;
case IT8771E_DEVID:
sio_data->type = it8771;
break;
case IT8772E_DEVID:
sio_data->type = it8772;
break;
case IT8781F_DEVID:
sio_data->type = it8781;
break;
case IT8782F_DEVID:
sio_data->type = it8782;
break;
case IT8783E_DEVID:
sio_data->type = it8783;
break;
case IT8786E_DEVID:
sio_data->type = it8786;
break;
case IT8790E_DEVID:
sio_data->type = it8790;
break;
case IT8603E_DEVID:
case IT8623E_DEVID:
sio_data->type = it8603;
break;
case IT8620E_DEVID:
sio_data->type = it8620;
break;
case IT8622E_DEVID:
sio_data->type = it8622;
break;
case IT8628E_DEVID:
sio_data->type = it8628;
break;
case IT87952E_DEVID:
sio_data->type = it87952;
break;
case 0xffff:
goto exit;
default:
pr_debug("Unsupported chip (DEVID=0x%x)\n", chip_type);
goto exit;
}
config = &it87_devices[sio_data->type];
if (!enabled && !has_noconf(config)) {
__superio_enter(sioaddr);
enabled = true;
}
superio_select(sioaddr, PME);
if (!(superio_inb(sioaddr, IT87_ACT_REG) & 0x01)) {
pr_info("Device (chip %s ioreg 0x%x) not activated, skipping\n",
config->model, sioaddr);
goto exit;
}
*address = superio_inw(sioaddr, IT87_BASE_REG) & ~(IT87_EXTENT - 1);
if (*address == 0) {
pr_info("Base address not set (chip %s ioreg 0x%x), skipping\n",
config->model, sioaddr);
goto exit;
}
err = 0;
sio_data->sioaddr = sioaddr;
sio_data->revision = superio_inb(sioaddr, DEVREV) & 0x0f;
pr_info("Found %s chip at 0x%x, revision %d\n",
it87_devices[sio_data->type].model,
*address, sio_data->revision);
if (has_in7_internal(config))
sio_data->internal |= BIT(1);
sio_data->internal |= BIT(2);
if (has_avcc3(config))
sio_data->internal |= BIT(3);
else
sio_data->skip_in |= BIT(9);
if (!has_four_pwm(config))
sio_data->skip_pwm |= BIT(3) | BIT(4) | BIT(5);
else if (!has_five_pwm(config))
sio_data->skip_pwm |= BIT(4) | BIT(5);
else if (!has_six_pwm(config))
sio_data->skip_pwm |= BIT(5);
if (!has_vid(config))
sio_data->skip_vid = 1;
if (sio_data->type == it87) {
superio_select(sioaddr, 5);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8783) {
int reg25, reg27, reg2a, reg2c, regef;
superio_select(sioaddr, GPIO);
reg25 = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
reg2c = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
regef = superio_inb(sioaddr, IT87_SIO_SPI_REG);
if ((reg27 & BIT(0)) || !(reg2c & BIT(2)))
sio_data->skip_fan |= BIT(2);
if ((reg25 & BIT(4)) ||
(!(reg2a & BIT(1)) && (regef & BIT(0))))
sio_data->skip_pwm |= BIT(2);
if (reg27 & BIT(7))
sio_data->skip_fan |= BIT(1);
if (reg27 & BIT(3))
sio_data->skip_pwm |= BIT(1);
if ((reg27 & BIT(0)) || (reg2c & BIT(2)))
sio_data->skip_in |= BIT(5);
if (reg27 & BIT(1))
sio_data->skip_in |= BIT(6);
if (reg27 & BIT(2)) {
if (!(reg2c & BIT(1))) {
reg2c |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG,
reg2c);
sio_data->need_in7_reroute = true;
pr_notice("Routing internal VCCH5V to in7.\n");
}
pr_notice("in7 routed to internal voltage divider, with external pin disabled.\n");
pr_notice("Please report if it displays a reasonable voltage.\n");
}
if (reg2c & BIT(0))
sio_data->internal |= BIT(0);
if (reg2c & BIT(1))
sio_data->internal |= BIT(1);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8603) {
int reg27, reg29;
superio_select(sioaddr, GPIO);
reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (reg27 & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg27 & BIT(7))
sio_data->skip_fan |= BIT(2);
reg29 = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg29 & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg29 & BIT(2))
sio_data->skip_fan |= BIT(1);
sio_data->skip_in |= BIT(5);
sio_data->skip_in |= BIT(6);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8620 || sio_data->type == it8628) {
int reg;
superio_select(sioaddr, GPIO);
reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(4);
reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
if (!(reg & BIT(5)))
sio_data->skip_fan |= BIT(3);
if (!(reg & BIT(4)))
sio_data->skip_fan |= BIT(4);
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg & BIT(7))
sio_data->skip_fan |= BIT(2);
reg = superio_inb(sioaddr, IT87_SIO_GPIO4_REG);
if (reg & BIT(2))
sio_data->skip_pwm |= BIT(3);
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg & BIT(2))
sio_data->skip_fan |= BIT(1);
if (!(reg & BIT(7))) {
sio_data->skip_pwm |= BIT(5);
sio_data->skip_fan |= BIT(5);
}
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
if (reg & BIT(0))
sio_data->internal |= BIT(0);
else
sio_data->skip_in |= BIT(9);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8622) {
int reg;
superio_select(sioaddr, GPIO);
reg = superio_inb(sioaddr, IT87_SIO_GPIO1_REG);
if (reg & BIT(6))
sio_data->skip_fan |= BIT(3);
if (reg & BIT(5))
sio_data->skip_pwm |= BIT(3);
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg & BIT(7))
sio_data->skip_fan |= BIT(2);
if (reg & BIT(3))
sio_data->skip_pwm |= BIT(4);
if (reg & BIT(1))
sio_data->skip_fan |= BIT(4);
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg & BIT(2))
sio_data->skip_fan |= BIT(1);
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
if (!(reg & BIT(0)))
sio_data->skip_in |= BIT(9);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8732) {
int reg;
superio_select(sioaddr, GPIO);
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg & BIT(2))
sio_data->skip_fan |= BIT(1);
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg & BIT(7))
sio_data->skip_fan |= BIT(2);
if (reg & BIT(5))
sio_data->skip_fan |= BIT(3);
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
if (reg & BIT(0))
sio_data->internal |= BIT(0);
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else {
int reg;
bool uart6;
superio_select(sioaddr, GPIO);
if (has_five_fans(config)) {
reg = superio_inb(sioaddr, IT87_SIO_GPIO2_REG);
switch (sio_data->type) {
case it8718:
if (reg & BIT(5))
sio_data->skip_fan |= BIT(3);
if (reg & BIT(4))
sio_data->skip_fan |= BIT(4);
break;
case it8720:
case it8721:
case it8728:
if (!(reg & BIT(5)))
sio_data->skip_fan |= BIT(3);
if (!(reg & BIT(4)))
sio_data->skip_fan |= BIT(4);
break;
default:
break;
}
}
reg = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
if (!sio_data->skip_vid) {
if (reg & 0x0f) {
pr_info("VID is disabled (pins used for GPIO)\n");
sio_data->skip_vid = 1;
}
}
if (reg & BIT(6))
sio_data->skip_pwm |= BIT(2);
if (reg & BIT(7))
sio_data->skip_fan |= BIT(2);
reg = superio_inb(sioaddr, IT87_SIO_GPIO5_REG);
if (reg & BIT(1))
sio_data->skip_pwm |= BIT(1);
if (reg & BIT(2))
sio_data->skip_fan |= BIT(1);
if ((sio_data->type == it8718 || sio_data->type == it8720) &&
!(sio_data->skip_vid))
sio_data->vid_value = superio_inb(sioaddr,
IT87_SIO_VID_REG);
reg = superio_inb(sioaddr, IT87_SIO_PINX2_REG);
uart6 = sio_data->type == it8782 && (reg & BIT(2));
if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
reg |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
sio_data->need_in7_reroute = true;
pr_notice("Routing internal VCCH5V to in7\n");
}
if (reg & BIT(0))
sio_data->internal |= BIT(0);
if (reg & BIT(1))
sio_data->internal |= BIT(1);
if (uart6) {
sio_data->skip_in |= BIT(5) | BIT(6);
sio_data->skip_temp |= BIT(2);
}
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
}
if (sio_data->beep_pin)
pr_info("Beeping is supported\n");
if (dmi_data)
sio_data->skip_pwm |= dmi_data->skip_pwm;
if (config->smbus_bitmap) {
u8 reg;
superio_select(sioaddr, PME);
reg = superio_inb(sioaddr, IT87_SPECIAL_CFG_REG);
sio_data->ec_special_config = reg;
sio_data->smbus_bitmap = reg & config->smbus_bitmap;
}
exit:
superio_exit(sioaddr, !enabled);
return err;
}
static void it87_check_limit_regs(struct it87_data *data)
{
int i, reg;
for (i = 0; i < NUM_VIN_LIMIT; i++) {
reg = it87_read_value(data, IT87_REG_VIN_MIN(i));
if (reg == 0xff)
it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
}
for (i = 0; i < NUM_TEMP_LIMIT; i++) {
reg = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
if (reg == 0xff)
it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
}
}
static void it87_check_voltage_monitors_reset(struct it87_data *data)
{
int reg;
reg = it87_read_value(data, IT87_REG_VIN_ENABLE);
if ((reg & 0xff) == 0) {
it87_write_value(data, IT87_REG_VIN_ENABLE, 0xff);
}
}
static void it87_check_tachometers_reset(struct platform_device *pdev)
{
struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev);
u8 mask, fan_main_ctrl;
mask = 0x70 & ~(sio_data->skip_fan << 4);
fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
if ((fan_main_ctrl & mask) == 0) {
fan_main_ctrl |= mask;
it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
fan_main_ctrl);
}
}
static void it87_check_tachometers_16bit_mode(struct platform_device *pdev)
{
struct it87_data *data = platform_get_drvdata(pdev);
int reg;
if (!has_fan16_config(data))
return;
reg = it87_read_value(data, IT87_REG_FAN_16BIT);
if (~reg & 0x07 & data->has_fan) {
dev_dbg(&pdev->dev,
"Setting fan1-3 to 16-bit mode\n");
it87_write_value(data, IT87_REG_FAN_16BIT,
reg | 0x07);
}
}
static void it87_start_monitoring(struct it87_data *data)
{
it87_write_value(data, IT87_REG_CONFIG,
(it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
| (update_vbat ? 0x41 : 0x01));
}
static void it87_init_device(struct platform_device *pdev)
{
struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev);
int tmp, i;
for (i = 0; i < NUM_AUTO_PWM; i++) {
data->pwm_temp_map[i] = i;
data->pwm_duty[i] = 0x7f;
data->auto_pwm[i][3] = 0x7f;
}
it87_check_limit_regs(data);
it87_check_voltage_monitors_reset(data);
it87_check_tachometers_reset(pdev);
data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
it87_check_tachometers_16bit_mode(pdev);
tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
if (has_four_fans(data) && (tmp & BIT(4)))
data->has_fan |= BIT(3);
if (has_five_fans(data) && (tmp & BIT(5)))
data->has_fan |= BIT(4);
if (has_six_fans(data) && (tmp & BIT(2)))
data->has_fan |= BIT(5);
data->has_fan &= ~sio_data->skip_fan;
if (has_six_pwm(data)) {
tmp = it87_read_value(data, IT87_REG_FAN_DIV);
if ((tmp & 0xc0) == 0xc0)
sio_data->skip_pwm |= BIT(4);
if (!(tmp & BIT(3)))
sio_data->skip_pwm |= BIT(5);
}
it87_start_monitoring(data);
}
static int it87_check_pwm(struct device *dev)
{
struct it87_data *data = dev_get_drvdata(dev);
int tmp = it87_read_value(data, IT87_REG_FAN_CTL);
if ((tmp & 0x87) == 0) {
if (fix_pwm_polarity) {
int i;
u8 pwm[3];
for (i = 0; i < ARRAY_SIZE(pwm); i++)
pwm[i] = it87_read_value(data,
IT87_REG_PWM[i]);
if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
dev_info(dev,
"Reconfiguring PWM to active high polarity\n");
it87_write_value(data, IT87_REG_FAN_CTL,
tmp | 0x87);
for (i = 0; i < 3; i++)
it87_write_value(data,
IT87_REG_PWM[i],
0x7f & ~pwm[i]);
return 1;
}
dev_info(dev,
"PWM configuration is too broken to be fixed\n");
}
return 0;
} else if (fix_pwm_polarity) {
dev_info(dev,
"PWM configuration looks sane, won't touch\n");
}
return 1;
}
static int it87_probe(struct platform_device *pdev)
{
struct it87_data *data;
struct resource *res;
struct device *dev = &pdev->dev;
struct it87_sio_data *sio_data = dev_get_platdata(dev);
int enable_pwm_interface;
struct device *hwmon_dev;
int err;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT,
DRVNAME)) {
dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
(unsigned long)res->start,
(unsigned long)(res->start + IT87_EC_EXTENT - 1));
return -EBUSY;
}
data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->addr = res->start;
data->sioaddr = sio_data->sioaddr;
data->type = sio_data->type;
data->smbus_bitmap = sio_data->smbus_bitmap;
data->ec_special_config = sio_data->ec_special_config;
data->features = it87_devices[sio_data->type].features;
data->peci_mask = it87_devices[sio_data->type].peci_mask;
data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask;
switch (data->type) {
case it87:
if (sio_data->revision >= 0x03) {
data->features &= ~FEAT_OLD_AUTOPWM;
data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS;
}
break;
case it8712:
if (sio_data->revision >= 0x08) {
data->features &= ~FEAT_OLD_AUTOPWM;
data->features |= FEAT_FAN16_CONFIG | FEAT_16BIT_FANS |
FEAT_FIVE_FANS;
}
break;
default:
break;
}
platform_set_drvdata(pdev, data);
mutex_init(&data->update_lock);
err = smbus_disable(data);
if (err)
return err;
if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80) ||
it87_read_value(data, IT87_REG_CHIPID) != 0x90) {
smbus_enable(data);
return -ENODEV;
}
enable_pwm_interface = it87_check_pwm(dev);
if (!enable_pwm_interface)
dev_info(dev,
"Detected broken BIOS defaults, disabling PWM interface\n");
if (has_scaling(data)) {
if (sio_data->internal & BIT(0))
data->in_scaled |= BIT(3);
if (sio_data->internal & BIT(1))
data->in_scaled |= BIT(7);
if (sio_data->internal & BIT(2))
data->in_scaled |= BIT(8);
if (sio_data->internal & BIT(3))
data->in_scaled |= BIT(9);
} else if (sio_data->type == it8781 || sio_data->type == it8782 ||
sio_data->type == it8783) {
if (sio_data->internal & BIT(0))
data->in_scaled |= BIT(3);
if (sio_data->internal & BIT(1))
data->in_scaled |= BIT(7);
}
data->has_temp = 0x07;
if (sio_data->skip_temp & BIT(2)) {
if (sio_data->type == it8782 &&
!(it87_read_value(data, IT87_REG_TEMP_EXTRA) & 0x80))
data->has_temp &= ~BIT(2);
}
data->in_internal = sio_data->internal;
data->need_in7_reroute = sio_data->need_in7_reroute;
data->has_in = 0x3ff & ~sio_data->skip_in;
if (has_four_temp(data)) {
data->has_temp |= BIT(3);
} else if (has_six_temp(data)) {
u8 reg = it87_read_value(data, IT87_REG_TEMP456_ENABLE);
if ((reg & 0x03) >= 0x02)
data->has_temp |= BIT(3);
if (((reg >> 2) & 0x03) >= 0x02)
data->has_temp |= BIT(4);
if (((reg >> 4) & 0x03) >= 0x02)
data->has_temp |= BIT(5);
if ((reg & 0x03) == 0x01)
data->has_in |= BIT(10);
if (((reg >> 2) & 0x03) == 0x01)
data->has_in |= BIT(11);
if (((reg >> 4) & 0x03) == 0x01)
data->has_in |= BIT(12);
}
data->has_beep = !!sio_data->beep_pin;
it87_init_device(pdev);
smbus_enable(data);
if (!sio_data->skip_vid) {
data->has_vid = true;
data->vrm = vid_which_vrm();
data->vid = sio_data->vid_value;
}
data->groups[0] = &it87_group;
data->groups[1] = &it87_group_in;
data->groups[2] = &it87_group_temp;
data->groups[3] = &it87_group_fan;
if (enable_pwm_interface) {
data->has_pwm = BIT(ARRAY_SIZE(IT87_REG_PWM)) - 1;
data->has_pwm &= ~sio_data->skip_pwm;
data->groups[4] = &it87_group_pwm;
if (has_old_autopwm(data) || has_newer_autopwm(data))
data->groups[5] = &it87_group_auto_pwm;
}
hwmon_dev = devm_hwmon_device_register_with_groups(dev,
it87_devices[sio_data->type].name,
data, data->groups);
return PTR_ERR_OR_ZERO(hwmon_dev);
}
static void it87_resume_sio(struct platform_device *pdev)
{
struct it87_data *data = dev_get_drvdata(&pdev->dev);
int err;
int reg2c;
if (!data->need_in7_reroute)
return;
err = superio_enter(data->sioaddr, has_noconf(data));
if (err) {
dev_warn(&pdev->dev,
"Unable to enter Super I/O to reroute in7 (%d)",
err);
return;
}
superio_select(data->sioaddr, GPIO);
reg2c = superio_inb(data->sioaddr, IT87_SIO_PINX2_REG);
if (!(reg2c & BIT(1))) {
dev_dbg(&pdev->dev,
"Routing internal VCCH5V to in7 again");
reg2c |= BIT(1);
superio_outb(data->sioaddr, IT87_SIO_PINX2_REG,
reg2c);
}
superio_exit(data->sioaddr, has_noconf(data));
}
static int it87_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct it87_data *data = dev_get_drvdata(dev);
int err;
it87_resume_sio(pdev);
err = it87_lock(data);
if (err)
return err;
it87_check_pwm(dev);
it87_check_limit_regs(data);
it87_check_voltage_monitors_reset(data);
it87_check_tachometers_reset(pdev);
it87_check_tachometers_16bit_mode(pdev);
it87_start_monitoring(data);
data->valid = false;
it87_unlock(data);
it87_update_device(dev);
return 0;
}
static DEFINE_SIMPLE_DEV_PM_OPS(it87_dev_pm_ops, NULL, it87_resume);
static struct platform_driver it87_driver = {
.driver = {
.name = DRVNAME,
.pm = pm_sleep_ptr(&it87_dev_pm_ops),
},
.probe = it87_probe,
};
static int __init it87_device_add(int index, unsigned short address,
const struct it87_sio_data *sio_data)
{
struct platform_device *pdev;
struct resource res = {
.start = address + IT87_EC_OFFSET,
.end = address + IT87_EC_OFFSET + IT87_EC_EXTENT - 1,
.name = DRVNAME,
.flags = IORESOURCE_IO,
};
int err;
err = acpi_check_resource_conflict(&res);
if (err) {
if (!ignore_resource_conflict)
return err;
}
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev)
return -ENOMEM;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
pr_err("Device resource addition failed (%d)\n", err);
goto exit_device_put;
}
err = platform_device_add_data(pdev, sio_data,
sizeof(struct it87_sio_data));
if (err) {
pr_err("Platform data allocation failed\n");
goto exit_device_put;
}
err = platform_device_add(pdev);
if (err) {
pr_err("Device addition failed (%d)\n", err);
goto exit_device_put;
}
it87_pdev[index] = pdev;
return 0;
exit_device_put:
platform_device_put(pdev);
return err;
}
static int it87_dmi_cb(const struct dmi_system_id *dmi_entry)
{
dmi_data = dmi_entry->driver_data;
if (dmi_data && dmi_data->skip_pwm)
pr_info("Disabling pwm2 due to hardware constraints\n");
return 1;
}
static struct it87_dmi_data nvidia_fn68pt = {
.skip_pwm = BIT(1),
};
#define IT87_DMI_MATCH_VND(vendor, name, cb, data) \
{ \
.callback = cb, \
.matches = { \
DMI_EXACT_MATCH(DMI_BOARD_VENDOR, vendor), \
DMI_EXACT_MATCH(DMI_BOARD_NAME, name), \
}, \
.driver_data = data, \
}
static const struct dmi_system_id it87_dmi_table[] __initconst = {
IT87_DMI_MATCH_VND("nVIDIA", "FN68PT", it87_dmi_cb, &nvidia_fn68pt),
{ }
};
MODULE_DEVICE_TABLE(dmi, it87_dmi_table);
static int __init sm_it87_init(void)
{
int sioaddr[2] = { REG_2E, REG_4E };
struct it87_sio_data sio_data;
unsigned short isa_address[2];
bool found = false;
int i, err;
err = platform_driver_register(&it87_driver);
if (err)
return err;
dmi_check_system(it87_dmi_table);
for (i = 0; i < ARRAY_SIZE(sioaddr); i++) {
memset(&sio_data, 0, sizeof(struct it87_sio_data));
isa_address[i] = 0;
err = it87_find(sioaddr[i], &isa_address[i], &sio_data, i);
if (err || isa_address[i] == 0)
continue;
if (i && isa_address[i] == isa_address[0])
break;
err = it87_device_add(i, isa_address[i], &sio_data);
if (err)
goto exit_dev_unregister;
found = true;
if (sio_data.type == it87)
break;
}
if (!found) {
err = -ENODEV;
goto exit_unregister;
}
return 0;
exit_dev_unregister:
platform_device_unregister(it87_pdev[0]);
exit_unregister:
platform_driver_unregister(&it87_driver);
return err;
}
static void __exit sm_it87_exit(void)
{
platform_device_unregister(it87_pdev[1]);
platform_device_unregister(it87_pdev[0]);
platform_driver_unregister(&it87_driver);
}
MODULE_AUTHOR("Chris Gauthron, Jean Delvare <jdelvare@suse.de>");
MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver");
module_param_array(force_id, ushort, &force_id_cnt, 0);
MODULE_PARM_DESC(force_id, "Override one or more detected device ID(s)");
module_param(ignore_resource_conflict, bool, 0);
MODULE_PARM_DESC(ignore_resource_conflict, "Ignore ACPI resource conflict");
module_param(update_vbat, bool, 0);
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
module_param(fix_pwm_polarity, bool, 0);
MODULE_PARM_DESC(fix_pwm_polarity,
"Force PWM polarity to active high (DANGEROUS)");
MODULE_LICENSE("GPL");
module_init(sm_it87_init);
module_exit(sm_it87_exit);
