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hwmon: (it87) Add support for IT8786E

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IT8786E is mostly compatible with IT8771 / IT8772.
Parameters determined by testing various combinations.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Thomas Lorblanches <zlika_ese@hotmail.com>
[Guenter Roeck: merged from github, addressed review comments]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Thomas Lorblanches 2015-02-13 13:19:06 +01:00 committed by Guenter Roeck
parent 32dd7c409d
commit a0c1424acb
3 changed files with 23 additions and 9 deletions
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6
Documentation/hwmon/it87
View file

@ -54,6 +54,10 @@ Supported chips:
Prefix: 'it8783' Prefix: 'it8783'
Addresses scanned: from Super I/O config space (8 I/O ports) Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available Datasheet: Not publicly available
* IT8786E
Prefix: 'it8786'
Addresses scanned: from Super I/O config space (8 I/O ports)
Datasheet: Not publicly available
* SiS950 [clone of IT8705F] * SiS950 [clone of IT8705F]
Prefix: 'it87' Prefix: 'it87'
Addresses scanned: from Super I/O config space (8 I/O ports) Addresses scanned: from Super I/O config space (8 I/O ports)
@ -100,7 +104,7 @@ Description
This driver implements support for the IT8603E, IT8623E, IT8705F, IT8712F, This driver implements support for the IT8603E, IT8623E, IT8705F, IT8712F,
IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8771E,
IT8772E, IT8781F, IT8782F, IT8783E/F, and SiS950 chips. IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E, and SiS950 chips.
These chips are 'Super I/O chips', supporting floppy disks, infrared ports, These chips are 'Super I/O chips', supporting floppy disks, infrared ports,
joysticks and other miscellaneous stuff. For hardware monitoring, they joysticks and other miscellaneous stuff. For hardware monitoring, they

4
drivers/hwmon/Kconfig
View file

@ -599,8 +599,8 @@ config SENSORS_IT87
help help
If you say yes here you get support for ITE IT8705F, IT8712F, If you say yes here you get support for ITE IT8705F, IT8712F,
IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E,
IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F and IT8603E IT8771E, IT8772E, IT8781F, IT8782F, IT8783E/F, IT8786E,
sensor chips, and the SiS950 clone. and IT8603E sensor chips, and the SiS950 clone.
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called it87. will be called it87.

22
drivers/hwmon/it87.c
View file

@ -26,6 +26,7 @@
* IT8781F Super I/O chip w/LPC interface * IT8781F Super I/O chip w/LPC interface
* IT8782F Super I/O chip w/LPC interface * IT8782F Super I/O chip w/LPC interface
* IT8783E/F Super I/O chip w/LPC interface * IT8783E/F Super I/O chip w/LPC interface
* IT8786E Super I/O chip w/LPC interface
* Sis950 A clone of the IT8705F * Sis950 A clone of the IT8705F
* *
* Copyright (C) 2001 Chris Gauthron * Copyright (C) 2001 Chris Gauthron
@ -67,7 +68,7 @@
#define DRVNAME "it87" #define DRVNAME "it87"
enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771, enum chips { it87, it8712, it8716, it8718, it8720, it8721, it8728, it8771,
it8772, it8781, it8782, it8783, it8603 }; it8772, it8781, it8782, it8783, it8786, it8603 };
static unsigned short force_id; static unsigned short force_id;
module_param(force_id, ushort, 0); module_param(force_id, ushort, 0);
@ -150,6 +151,7 @@ static inline void superio_exit(void)
#define IT8781F_DEVID 0x8781 #define IT8781F_DEVID 0x8781
#define IT8782F_DEVID 0x8782 #define IT8782F_DEVID 0x8782
#define IT8783E_DEVID 0x8783 #define IT8783E_DEVID 0x8783
#define IT8786E_DEVID 0x8786
#define IT8603E_DEVID 0x8603 #define IT8603E_DEVID 0x8603
#define IT8623E_DEVID 0x8623 #define IT8623E_DEVID 0x8623
#define IT87_ACT_REG 0x30 #define IT87_ACT_REG 0x30
@ -335,6 +337,12 @@ static const struct it87_devices it87_devices[] = {
| FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG, | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG,
.old_peci_mask = 0x4, .old_peci_mask = 0x4,
}, },
[it8786] = {
.name = "it8786",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
| FEAT_TEMP_OFFSET | FEAT_TEMP_PECI,
.peci_mask = 0x07,
},
[it8603] = { [it8603] = {
.name = "it8603", .name = "it8603",
.features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS
@ -1789,6 +1797,9 @@ static int __init it87_find(unsigned short *address,
case IT8783E_DEVID: case IT8783E_DEVID:
sio_data->type = it8783; sio_data->type = it8783;
break; break;
case IT8786E_DEVID:
sio_data->type = it8786;
break;
case IT8603E_DEVID: case IT8603E_DEVID:
case IT8623E_DEVID: case IT8623E_DEVID:
sio_data->type = it8603; sio_data->type = it8603;
@ -1816,8 +1827,8 @@ static int __init it87_find(unsigned short *address,
sio_data->revision = superio_inb(DEVREV) & 0x0f; sio_data->revision = superio_inb(DEVREV) & 0x0f;
pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type, pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type,
chip_type == 0x8771 || chip_type == 0x8772 || chip_type == 0x8771 || chip_type == 0x8772 ||
chip_type == 0x8603 ? 'E' : 'F', *address, chip_type == 0x8786 || chip_type == 0x8603 ? 'E' : 'F',
sio_data->revision); *address, sio_data->revision);
/* in8 (Vbat) is always internal */ /* in8 (Vbat) is always internal */
sio_data->internal = (1 << 2); sio_data->internal = (1 << 2);
@ -1987,9 +1998,8 @@ static int __init it87_find(unsigned short *address,
if (reg & (1 << 0)) if (reg & (1 << 0))
sio_data->internal |= (1 << 0); sio_data->internal |= (1 << 0);
if ((reg & (1 << 1)) || sio_data->type == it8721 || if ((reg & (1 << 1)) || sio_data->type == it8721 ||
sio_data->type == it8728 || sio_data->type == it8728 || sio_data->type == it8771 ||
sio_data->type == it8771 || sio_data->type == it8772 || sio_data->type == it8786)
sio_data->type == it8772)
sio_data->internal |= (1 << 1); sio_data->internal |= (1 << 1);
/* /*