hwmon: (it87) Add support for IT8771E and IT8772E
Assume that IT8771E and IT8772E are fully compatible with IT8728F. IT8771E support contributed by Kelly Anderson. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <khali@linux-fr.org>hifive-unleashed-5.1
Guenter Roeck
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5372d2d71c
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b06367070d
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@ -30,6 +30,14 @@ Supported chips:
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Prefix: 'it8728'
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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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* IT8771E
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Prefix: 'it8771'
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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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* IT8772E
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Prefix: 'it8772'
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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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* IT8782F
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Prefix: 'it8782'
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Addresses scanned: from Super I/O config space (8 I/O ports)
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@ -83,8 +91,8 @@ Description
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-----------
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This driver implements support for the IT8705F, IT8712F, IT8716F,
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IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F,
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IT8783E/F, and SiS950 chips.
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IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E, IT8772E,
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IT8782F, IT8783E/F, and SiS950 chips.
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These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
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joysticks and other miscellaneous stuff. For hardware monitoring, they
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@ -118,8 +126,8 @@ The IT8726F is just bit enhanced IT8716F with additional hardware
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for AMD power sequencing. Therefore the chip will appear as IT8716F
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to userspace applications.
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The IT8728F is considered compatible with the IT8721F, until a datasheet
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becomes available (hopefully.)
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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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Temperatures are measured in degrees Celsius. An alarm is triggered once
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when the Overtemperature Shutdown limit is crossed.
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@ -506,7 +506,8 @@ config SENSORS_IT87
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help
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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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IT8782F, and IT8783E/F sensor chips, and the SiS950 clone.
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IT8771E, IT8772E, IT8782F, and IT8783E/F sensor chips, and the
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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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@ -19,6 +19,8 @@
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* IT8726F Super I/O chip w/LPC interface
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* IT8728F Super I/O chip w/LPC interface
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* IT8758E Super I/O chip w/LPC interface
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* IT8771E Super I/O chip w/LPC interface
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* IT8772E Super I/O chip w/LPC interface
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* IT8782F Super I/O chip w/LPC interface
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* IT8783E/F Super I/O chip w/LPC interface
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* Sis950 A clone of the IT8705F
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@ -61,8 +63,8 @@
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#define DRVNAME "it87"
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enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8782,
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it8783 };
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enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
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it8772, it8782, it8783 };
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static unsigned short force_id;
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module_param(force_id, ushort, 0);
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@ -140,6 +142,8 @@ static inline void superio_exit(void)
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#define IT8721F_DEVID 0x8721
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#define IT8726F_DEVID 0x8726
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#define IT8728F_DEVID 0x8728
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#define IT8771E_DEVID 0x8771
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#define IT8772E_DEVID 0x8772
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#define IT8782F_DEVID 0x8782
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#define IT8783E_DEVID 0x8783
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#define IT87_ACT_REG 0x30
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@ -281,6 +285,24 @@ static const struct it87_devices it87_devices[] = {
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
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.peci_mask = 0x07,
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},
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[it8771] = {
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.name = "it8771",
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.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
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/* PECI: guesswork */
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/* 12mV ADC (OHM) */
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/* 16 bit fans (OHM) */
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.peci_mask = 0x07,
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},
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[it8772] = {
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.name = "it8772",
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.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
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| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
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/* PECI (coreboot) */
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/* 12mV ADC (HWSensors4, OHM) */
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/* 16 bit fans (HWSensors4, OHM) */
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.peci_mask = 0x07,
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},
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[it8782] = {
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.name = "it8782",
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.features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET
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@ -1708,6 +1730,12 @@ static int __init it87_find(unsigned short *address,
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case IT8728F_DEVID:
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sio_data->type = it8728;
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break;
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case IT8771E_DEVID:
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sio_data->type = it8771;
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break;
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case IT8772E_DEVID:
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sio_data->type = it8772;
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break;
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case IT8782F_DEVID:
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sio_data->type = it8782;
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break;
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@ -1825,10 +1853,11 @@ static int __init it87_find(unsigned short *address,
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reg = superio_inb(IT87_SIO_GPIO3_REG);
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if (sio_data->type == it8721 || sio_data->type == it8728 ||
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sio_data->type == it8771 || sio_data->type == it8772 ||
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sio_data->type == it8782) {
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/*
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* IT8721F/IT8758E, and IT8782F don't have VID pins
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* at all, not sure about the IT8728F.
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* at all, not sure about the IT8728F and compatibles.
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*/
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sio_data->skip_vid = 1;
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} else {
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@ -1882,7 +1911,9 @@ static int __init it87_find(unsigned short *address,
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if (reg & (1 << 0))
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sio_data->internal |= (1 << 0);
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if ((reg & (1 << 1)) || sio_data->type == it8721 ||
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sio_data->type == it8728)
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sio_data->type == it8728 ||
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sio_data->type == it8771 ||
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sio_data->type == it8772)
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sio_data->internal |= (1 << 1);
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/*
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