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Fri, 26 Dec 2025 15:02:16 -0800 (PST) From: "benoit.masson" To: jdelvare@suse.com, linux@roeck-us.net Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, "benoit.masson" Subject: [PATCH] hwmon: it87: add IT8613E detection and quirks Date: Sat, 27 Dec 2025 00:02:13 +0100 Message-ID: <20251226230213.51974-1-yahoo@perenite.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: benoit.masson --- 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 @@ =20 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 }; =20 static struct platform_device *it87_pdev[2]; =20 @@ -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) =20 static const struct it87_devices it87_devices[] =3D { [it87] =3D { @@ -487,6 +490,18 @@ static const struct it87_devices it87_devices[] =3D { | FEAT_AVCC3 | FEAT_PWM_FREQ2, .peci_mask =3D 0x07, }, + [it8613] =3D { + .name =3D "it8613", + .model =3D "IT8613E", + .features =3D 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 =3D 6, + .num_temp_offset =3D 6, + .num_temp_map =3D 6, + .peci_mask =3D 0x07, + }, [it8620] =3D { .name =3D "it8620", .model =3D "IT8620E", @@ -530,6 +545,7 @@ static const struct it87_devices it87_devices[] =3D { #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[] =3D { #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) =20 @@ -669,6 +686,8 @@ static int adc_lsb(const struct it87_data *data, int nr) lsb =3D 120; else if (has_10_9mv_adc(data)) lsb =3D 109; + else if (has_11mv_adc(data)) + lsb =3D 110; else lsb =3D 160; if (data->in_scaled & BIT(nr)) @@ -2904,6 +2923,9 @@ static int __init it87_find(int sioaddr, unsigned sho= rt *address, case IT8623E_DEVID: sio_data->type =3D it8603; break; + case IT8613E_DEVID: + sio_data->type =3D it8613; + break; case IT8620E_DEVID: sio_data->type =3D it8620; break; @@ -3078,6 +3100,43 @@ static int __init it87_find(int sioaddr, unsigned sh= ort *address, sio_data->skip_in |=3D BIT(5); /* No VIN5 */ sio_data->skip_in |=3D BIT(6); /* No VIN6 */ =20 + sio_data->beep_pin =3D superio_inb(sioaddr, + IT87_SIO_BEEP_PIN_REG) & 0x3f; + } else if (sio_data->type =3D=3D it8613) { + int reg27, reg29, reg2a; + + superio_select(sioaddr, GPIO); + + /* Check for pwm3, fan3, pwm5, fan5 */ + reg27 =3D superio_inb(sioaddr, IT87_SIO_GPIO3_REG); + if (!(reg27 & BIT(1))) + sio_data->skip_fan |=3D BIT(4); + if (reg27 & BIT(3)) + sio_data->skip_pwm |=3D BIT(4); + if (reg27 & BIT(6)) + sio_data->skip_pwm |=3D BIT(2); + if (reg27 & BIT(7)) + sio_data->skip_fan |=3D BIT(2); + + /* Check for pwm2, fan2 */ + reg29 =3D superio_inb(sioaddr, IT87_SIO_GPIO5_REG); + if (reg29 & BIT(1)) + sio_data->skip_pwm |=3D BIT(1); + if (reg29 & BIT(2)) + sio_data->skip_fan |=3D BIT(1); + + /* Check for pwm4, fan4 */ + reg2a =3D superio_inb(sioaddr, IT87_SIO_PINX1_REG); + if (!(reg2a & BIT(0)) || (reg29 & BIT(7))) { + sio_data->skip_fan |=3D BIT(3); + sio_data->skip_pwm |=3D BIT(3); + } + + sio_data->skip_pwm |=3D BIT(0); /* No pwm1 */ + sio_data->skip_fan |=3D BIT(0); /* No fan1 */ + sio_data->skip_in |=3D BIT(3); /* No VIN3 */ + sio_data->skip_in |=3D BIT(6); /* No VIN6 */ + sio_data->beep_pin =3D superio_inb(sioaddr, IT87_SIO_BEEP_PIN_REG) & 0x3f; } else if (sio_data->type =3D=3D it8620 || sio_data->type =3D=3D it8628) { --=20 2.50.1 (Apple Git-155)