From a0c1424acb16326d9b741be8db7a3e776fc28b19 Mon Sep 17 00:00:00 2001 From: Thomas Lorblanches Date: Fri, 13 Feb 2015 13:19:06 +0100 Subject: hwmon: (it87) Add support for IT8786E IT8786E is mostly compatible with IT8771 / IT8772. Parameters determined by testing various combinations. Reviewed-by: Jean Delvare Signed-off-by: Thomas Lorblanches [Guenter Roeck: merged from github, addressed review comments] Signed-off-by: Guenter Roeck --- drivers/hwmon/it87.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) (limited to 'drivers/hwmon/it87.c') diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 9ca10a73aee8..691067bbe07c 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -26,6 +26,7 @@ * IT8781F Super I/O chip w/LPC interface * IT8782F 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 * * Copyright (C) 2001 Chris Gauthron @@ -67,7 +68,7 @@ #define DRVNAME "it87" 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; module_param(force_id, ushort, 0); @@ -150,6 +151,7 @@ static inline void superio_exit(void) #define IT8781F_DEVID 0x8781 #define IT8782F_DEVID 0x8782 #define IT8783E_DEVID 0x8783 +#define IT8786E_DEVID 0x8786 #define IT8603E_DEVID 0x8603 #define IT8623E_DEVID 0x8623 #define IT87_ACT_REG 0x30 @@ -335,6 +337,12 @@ static const struct it87_devices it87_devices[] = { | FEAT_TEMP_OLD_PECI | FEAT_FAN16_CONFIG, .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] = { .name = "it8603", .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: sio_data->type = it8783; break; + case IT8786E_DEVID: + sio_data->type = it8786; + break; case IT8603E_DEVID: case IT8623E_DEVID: sio_data->type = it8603; @@ -1816,8 +1827,8 @@ static int __init it87_find(unsigned short *address, sio_data->revision = superio_inb(DEVREV) & 0x0f; pr_info("Found IT%04x%c chip at 0x%x, revision %d\n", chip_type, chip_type == 0x8771 || chip_type == 0x8772 || - chip_type == 0x8603 ? 'E' : 'F', *address, - sio_data->revision); + chip_type == 0x8786 || chip_type == 0x8603 ? 'E' : 'F', + *address, sio_data->revision); /* in8 (Vbat) is always internal */ sio_data->internal = (1 << 2); @@ -1987,9 +1998,8 @@ static int __init it87_find(unsigned short *address, if (reg & (1 << 0)) sio_data->internal |= (1 << 0); if ((reg & (1 << 1)) || sio_data->type == it8721 || - sio_data->type == it8728 || - sio_data->type == it8771 || - sio_data->type == it8772) + sio_data->type == it8728 || sio_data->type == it8771 || + sio_data->type == it8772 || sio_data->type == it8786) sio_data->internal |= (1 << 1); /* -- cgit v1.2.3-59-g8ed1b