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path: root/drivers/hwmon/it87.c
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Diffstat (limited to 'drivers/hwmon/it87.c')
-rw-r--r--drivers/hwmon/it87.c75
1 files changed, 58 insertions, 17 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index eb38f54ebeb6..4c3641d28a6a 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -317,6 +317,9 @@ struct it87_devices {
* chips to avoid the problem.
*/
#define FEAT_CONF_NOEXIT BIT(19) /* Chip should not exit conf mode */
+#define FEAT_FOUR_FANS BIT(20) /* Supports four fans */
+#define FEAT_FOUR_PWM BIT(21) /* Supports four fan controls */
+#define FEAT_FOUR_TEMP BIT(22)
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -375,7 +378,8 @@ static const struct it87_devices it87_devices[] = {
.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_10_9MV_ADC | FEAT_IN7_INTERNAL | FEAT_FOUR_FANS
+ | FEAT_FOUR_PWM,
.peci_mask = 0x07,
.old_peci_mask = 0x02, /* Actually reports PCH */
},
@@ -472,7 +476,7 @@ static const struct it87_devices it87_devices[] = {
.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_AVCC3 | FEAT_VIN3_5V | FEAT_FOUR_TEMP,
.peci_mask = 0x07,
.smbus_bitmap = BIT(1) | BIT(2),
},
@@ -508,16 +512,23 @@ static const struct it87_devices it87_devices[] = {
(((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_six_fans(data) ((data)->features & FEAT_SIX_FANS)
#define has_avcc3(data) ((data)->features & FEAT_AVCC3)
-#define has_five_pwm(data) ((data)->features & (FEAT_FIVE_PWM \
- | FEAT_SIX_PWM))
+#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_conf_noexit(data) ((data)->features & FEAT_CONF_NOEXIT)
@@ -2730,8 +2741,10 @@ static int __init it87_find(int sioaddr, unsigned short *address,
else
sio_data->skip_in |= BIT(9);
- if (!has_five_pwm(config))
+ 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);
@@ -2924,6 +2937,34 @@ static int __init it87_find(int sioaddr, unsigned short *address,
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);
+
+ /* Check for pwm2, fan2 */
+ 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);
+
+ /* Check for pwm3, fan3, fan4 */
+ 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);
+
+ /* Check if AVCC is on VIN3 */
+ 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;
@@ -3169,16 +3210,14 @@ static void it87_init_device(struct platform_device *pdev)
it87_check_tachometers_16bit_mode(pdev);
/* Check for additional fans */
- if (has_five_fans(data)) {
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
-
- if (tmp & BIT(4))
- data->has_fan |= BIT(3); /* fan4 enabled */
- if (tmp & BIT(5))
- data->has_fan |= BIT(4); /* fan5 enabled */
- if (has_six_fans(data) && (tmp & BIT(2)))
- data->has_fan |= BIT(5); /* fan6 enabled */
- }
+ tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+
+ if (has_four_fans(data) && (tmp & BIT(4)))
+ data->has_fan |= BIT(3); /* fan4 enabled */
+ if (has_five_fans(data) && (tmp & BIT(5)))
+ data->has_fan |= BIT(4); /* fan5 enabled */
+ if (has_six_fans(data) && (tmp & BIT(2)))
+ data->has_fan |= BIT(5); /* fan6 enabled */
/* Fan input pins may be used for alternative functions */
data->has_fan &= ~sio_data->skip_fan;
@@ -3356,7 +3395,9 @@ static int it87_probe(struct platform_device *pdev)
data->need_in7_reroute = sio_data->need_in7_reroute;
data->has_in = 0x3ff & ~sio_data->skip_in;
- if (has_six_temp(data)) {
+ 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);
/* Check for additional temperature sensors */