diff mbox series

[v1,3/3] hwmon: (it87) Update IT8732F chip for 4 fans and PWMs

Message ID 20230429115205.1547251-4-frank@crawford.emu.id.au (mailing list archive)
State Accepted
Headers show
Series hwmon: (it87) Add support for 4 fans chips | expand

Commit Message

Frank Crawford April 29, 2023, 11:52 a.m. UTC 
Add support for 4 fans and 4 PWMs to chipset IT8732F.

Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>
---
 drivers/hwmon/it87.c | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

Comments

Guenter Roeck April 29, 2023, 2:46 p.m. UTC | #1 
On Sat, Apr 29, 2023 at 09:52:05PM +1000, Frank Crawford wrote:
> Add support for 4 fans and 4 PWMs to chipset IT8732F.
> 
> Signed-off-by: Frank Crawford <frank@crawford.emu.id.au>

Applied to hwmon-next.

Thanks,
Guenter
diff mbox series

Patch

diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index d5482c6ed18f..96c17660ff0f 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -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 {