hwmon: (it87) Add support for IT8620E
IT8620E is mostly compatible to IT7828F. Add generic support for it. IT8620E supports up to 6 fan tachometers and 6 pwm controls. Support for the 6th tachometer and for the additional pwm controls are addded in separate patches. Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>hifive-unleashed-5.1
Guenter Roeck
parent
4ee07157d6
commit
3ba9d977a9
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@ -6,6 +6,10 @@ Supported chips:
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Prefix: 'it8603'
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Addresses scanned: from Super I/O config space (8 I/O ports)
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Datasheet: Not publicly available
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* IT8620E
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Prefix: 'it8620'
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Addresses scanned: from Super I/O config space (8 I/O ports)
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Datasheet: Not publicly available
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* IT8705F
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Prefix: 'it87'
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Addresses scanned: from Super I/O config space (8 I/O ports)
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@ -106,7 +110,7 @@ motherboard models.
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Description
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-----------
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This driver implements support for the IT8603E, IT8623E, IT8705F,
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This driver implements support for the IT8603E, IT8620E, IT8623E, IT8705F,
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IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
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IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E, and SiS950
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chips.
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@ -147,8 +151,11 @@ The IT8728F, IT8771E, and IT8772E are considered compatible with the IT8721F,
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until a datasheet becomes available (hopefully.)
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The IT8603E/IT8623E is a custom design, hardware monitoring part is similar to
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IT8728F. It only supports 16-bit fan mode, the full speed mode of the
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fan is not supported (value 0 of pwmX_enable).
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IT8728F. It only supports 3 fans, 16-bit fan mode, and the full speed mode
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of the fan is not supported (value 0 of pwmX_enable).
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The IT8620E is another custom design, hardware monitoring part is similar to
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IT8728F. It only supports 16-bit fan mode.
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The IT8790E supports up to 3 fans. 16-bit fan mode is always enabled.
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@ -601,7 +601,7 @@ config SENSORS_IT87
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If you say yes here you get support for ITE IT8705F, IT8712F,
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IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
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IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, IT8790E,
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IT8603E, and IT8623E sensor chips, and the SiS950 clone.
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IT8603E, IT8620E, and IT8623E sensor chips, and the SiS950 clone.
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This driver can also be built as a module. If so, the module
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will be called it87.
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@ -11,6 +11,7 @@
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* similar parts. The other devices are supported by different drivers.
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*
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* Supports: IT8603E Super I/O chip w/LPC interface
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* IT8620E Super I/O chip w/LPC interface
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* IT8623E Super I/O chip w/LPC interface
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* IT8705F Super I/O chip w/LPC interface
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* IT8712F Super I/O chip w/LPC interface
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@ -69,7 +70,7 @@
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#define DRVNAME "it87"
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enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
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it8772, it8781, it8782, it8783, it8786, it8790, it8603 };
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it8772, it8781, it8782, it8783, it8786, it8790, it8603, it8620 };
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static unsigned short force_id;
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module_param(force_id, ushort, 0);
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@ -155,12 +156,14 @@ static inline void superio_exit(void)
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#define IT8786E_DEVID 0x8786
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#define IT8790E_DEVID 0x8790
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#define IT8603E_DEVID 0x8603
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#define IT8620E_DEVID 0x8620
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#define IT8623E_DEVID 0x8623
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#define IT87_ACT_REG 0x30
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#define IT87_BASE_REG 0x60
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/* Logical device 7 registers (IT8712F and later) */
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#define IT87_SIO_GPIO1_REG 0x25
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#define IT87_SIO_GPIO2_REG 0x26
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#define IT87_SIO_GPIO3_REG 0x27
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#define IT87_SIO_GPIO5_REG 0x29
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#define IT87_SIO_PINX1_REG 0x2a /* Pin selection */
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@ -375,6 +378,14 @@ static const struct it87_devices it87_devices[] = {
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_IN7_INTERNAL,
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.peci_mask = 0x07,
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},
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[it8620] = {
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.name = "it8620",
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.suffix = "E",
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.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI | FEAT_FIVE_FANS
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| FEAT_IN7_INTERNAL,
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.peci_mask = 0x07,
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},
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};
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#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS)
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@ -1850,6 +1861,9 @@ static int __init it87_find(unsigned short *address,
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case IT8623E_DEVID:
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sio_data->type = it8603;
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break;
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case IT8620E_DEVID:
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sio_data->type = it8620;
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break;
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case 0xffff: /* No device at all */
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goto exit;
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default:
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@ -1984,6 +1998,33 @@ static int __init it87_find(unsigned short *address,
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sio_data->internal |= (1 << 3); /* in9 is AVCC */
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sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
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} else if (sio_data->type == it8620) {
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int reg;
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superio_select(GPIO);
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/* Check for fan4, fan5 */
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reg = superio_inb(IT87_SIO_GPIO2_REG);
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if (!(reg & (1 << 5)))
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sio_data->skip_fan |= (1 << 3);
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if (!(reg & (1 << 4)))
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sio_data->skip_fan |= (1 << 4);
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/* Check for pwm3, fan3 */
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reg = superio_inb(IT87_SIO_GPIO3_REG);
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if (reg & (1 << 6))
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sio_data->skip_pwm |= (1 << 2);
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if (reg & (1 << 7))
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sio_data->skip_fan |= (1 << 2);
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/* Check for pwm2, fan2 */
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reg = superio_inb(IT87_SIO_GPIO5_REG);
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if (reg & (1 << 1))
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sio_data->skip_pwm |= (1 << 1);
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if (reg & (1 << 2))
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sio_data->skip_fan |= (1 << 1);
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sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
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} else {
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int reg;
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