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Message-ID: <20251226230213.51974-1-yahoo@perenite.com>
Date: Sat, 27 Dec 2025 00:02:13 +0100
From: "benoit.masson" <yahoo@...enite.com>
To: jdelvare@...e.com,
linux@...ck-us.net
Cc: linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org,
"benoit.masson" <yahoo@...enite.com>
Subject: [PATCH] hwmon: it87: add IT8613E detection and quirks
Signed-off-by: benoit.masson <yahoo@...enite.com>
---
drivers/hwmon/it87.c | 63 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 61 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index d50c40f8607f..747775e58c25 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -35,6 +35,7 @@
* IT8790E Super I/O chip w/LPC interface
* IT8792E Super I/O chip w/LPC interface
* IT87952E Super I/O chip w/LPC interface
+ * IT8613E Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F
*
* Copyright (C) 2001 Chris Gauthron
@@ -65,7 +66,7 @@
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8732,
it8771, it8772, it8781, it8782, it8783, it8786, it8790,
- it8792, it8603, it8620, it8622, it8628, it87952 };
+ it8792, it8603, it8613, it8620, it8622, it8628, it87952 };
static struct platform_device *it87_pdev[2];
@@ -159,6 +160,7 @@ static inline void superio_exit(int ioreg, bool noexit)
#define IT8786E_DEVID 0x8786
#define IT8790E_DEVID 0x8790
#define IT8603E_DEVID 0x8603
+#define IT8613E_DEVID 0x8613
#define IT8620E_DEVID 0x8620
#define IT8622E_DEVID 0x8622
#define IT8623E_DEVID 0x8623
@@ -339,6 +341,7 @@ struct it87_devices {
#define FEAT_FOUR_TEMP BIT(22)
#define FEAT_FANCTL_ONOFF BIT(23) /* chip has FAN_CTL ON/OFF */
#define FEAT_NEW_TEMPMAP BIT(24) /* PWM uses extended temp map */
+#define FEAT_11MV_ADC BIT(25)
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -487,6 +490,18 @@ static const struct it87_devices it87_devices[] = {
| FEAT_AVCC3 | FEAT_PWM_FREQ2,
.peci_mask = 0x07,
},
+ [it8613] = {
+ .name = "it8613",
+ .model = "IT8613E",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_11MV_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_NEW_TEMPMAP,
+ .num_temp_limit = 6,
+ .num_temp_offset = 6,
+ .num_temp_map = 6,
+ .peci_mask = 0x07,
+ },
[it8620] = {
.name = "it8620",
.model = "IT8620E",
@@ -530,6 +545,7 @@ static const struct it87_devices it87_devices[] = {
#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_11mv_adc(data) ((data)->features & FEAT_11MV_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)
@@ -560,7 +576,8 @@ static const struct it87_devices it87_devices[] = {
#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))
+ FEAT_10_9MV_ADC | \
+ FEAT_11MV_ADC))
#define has_fanctl_onoff(data) ((data)->features & FEAT_FANCTL_ONOFF)
#define has_new_tempmap(data) ((data)->features & FEAT_NEW_TEMPMAP)
@@ -669,6 +686,8 @@ static int adc_lsb(const struct it87_data *data, int nr)
lsb = 120;
else if (has_10_9mv_adc(data))
lsb = 109;
+ else if (has_11mv_adc(data))
+ lsb = 110;
else
lsb = 160;
if (data->in_scaled & BIT(nr))
@@ -2904,6 +2923,9 @@ static int __init it87_find(int sioaddr, unsigned short *address,
case IT8623E_DEVID:
sio_data->type = it8603;
break;
+ case IT8613E_DEVID:
+ sio_data->type = it8613;
+ break;
case IT8620E_DEVID:
sio_data->type = it8620;
break;
@@ -3078,6 +3100,43 @@ static int __init it87_find(int sioaddr, unsigned short *address,
sio_data->skip_in |= BIT(5); /* No VIN5 */
sio_data->skip_in |= BIT(6); /* No VIN6 */
+ sio_data->beep_pin = superio_inb(sioaddr,
+ IT87_SIO_BEEP_PIN_REG) & 0x3f;
+ } else if (sio_data->type == it8613) {
+ int reg27, reg29, reg2a;
+
+ superio_select(sioaddr, GPIO);
+
+ /* Check for pwm3, fan3, pwm5, fan5 */
+ reg27 = superio_inb(sioaddr, IT87_SIO_GPIO3_REG);
+ if (!(reg27 & BIT(1)))
+ sio_data->skip_fan |= BIT(4);
+ if (reg27 & BIT(3))
+ sio_data->skip_pwm |= BIT(4);
+ if (reg27 & BIT(6))
+ sio_data->skip_pwm |= BIT(2);
+ if (reg27 & BIT(7))
+ sio_data->skip_fan |= BIT(2);
+
+ /* Check for pwm2, fan2 */
+ 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);
+
+ /* Check for pwm4, fan4 */
+ reg2a = superio_inb(sioaddr, IT87_SIO_PINX1_REG);
+ if (!(reg2a & BIT(0)) || (reg29 & BIT(7))) {
+ sio_data->skip_fan |= BIT(3);
+ sio_data->skip_pwm |= BIT(3);
+ }
+
+ sio_data->skip_pwm |= BIT(0); /* No pwm1 */
+ sio_data->skip_fan |= BIT(0); /* No fan1 */
+ sio_data->skip_in |= BIT(3); /* No VIN3 */
+ sio_data->skip_in |= BIT(6); /* No VIN6 */
+
sio_data->beep_pin = superio_inb(sioaddr,
IT87_SIO_BEEP_PIN_REG) & 0x3f;
} else if (sio_data->type == it8620 || sio_data->type == it8628) {
--
2.50.1 (Apple Git-155)
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