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hwmon: (it87) Update IT8732F chip for 4 fans and PWMs 

Add support for 4 fans and 4 PWMs to chipset IT8732F.

Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
Link: https://lore.kernel.org/r/20230429115205.1547251-4-frank@crawford.emu.id.au
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Frank Crawford 2023-04-29 21:52:05 +10:00 committed by Guenter Roeck
parent 39a6dcf640
commit bd5940221b
1 changed files with 30 additions and 1 deletions
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31
drivers/hwmon/it87.c
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@ -377,7 +377,8 @@ 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 */
},
@ -2932,6 +2933,34 @@ static int __init it87_find(int sioaddr, unsigned short *address,
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);
/* 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 {